./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ea86972a210f89fc9e3e5afc5e01f00ca5c135dc207351adf2f98bafbd9a008a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 19:11:13,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 19:11:13,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 19:11:13,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 19:11:13,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 19:11:13,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 19:11:13,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 19:11:13,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 19:11:13,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 19:11:13,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 19:11:13,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 19:11:13,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 19:11:13,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 19:11:13,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 19:11:13,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 19:11:13,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 19:11:13,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 19:11:13,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 19:11:13,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 19:11:13,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 19:11:13,768 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 19:11:13,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 19:11:13,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 19:11:13,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 19:11:13,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 19:11:13,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 19:11:13,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 19:11:13,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 19:11:13,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 19:11:13,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 19:11:13,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 19:11:13,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 19:11:13,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 19:11:13,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 19:11:13,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 19:11:13,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 19:11:13,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 19:11:13,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 19:11:13,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 19:11:13,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 19:11:13,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 19:11:13,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 19:11:13,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 19:11:13,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 19:11:13,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 19:11:13,813 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 19:11:13,813 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 19:11:13,814 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 19:11:13,814 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 19:11:13,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 19:11:13,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 19:11:13,815 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 19:11:13,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 19:11:13,816 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 19:11:13,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 19:11:13,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 19:11:13,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 19:11:13,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 19:11:13,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 19:11:13,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 19:11:13,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 19:11:13,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:11:13,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 19:11:13,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 19:11:13,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 19:11:13,820 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea86972a210f89fc9e3e5afc5e01f00ca5c135dc207351adf2f98bafbd9a008a [2022-07-13 19:11:14,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 19:11:14,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 19:11:14,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 19:11:14,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 19:11:14,046 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 19:11:14,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-07-13 19:11:14,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdf3225a/69ee3490449e45ea8a713744bc193fe5/FLAGcb0f182cf [2022-07-13 19:11:14,824 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 19:11:14,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-07-13 19:11:14,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdf3225a/69ee3490449e45ea8a713744bc193fe5/FLAGcb0f182cf [2022-07-13 19:11:15,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8fdf3225a/69ee3490449e45ea8a713744bc193fe5 [2022-07-13 19:11:15,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 19:11:15,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 19:11:15,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 19:11:15,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 19:11:15,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 19:11:15,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:11:15" (1/1) ... [2022-07-13 19:11:15,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55673e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:15, skipping insertion in model container [2022-07-13 19:11:15,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:11:15" (1/1) ... [2022-07-13 19:11:15,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 19:11:15,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 19:11:16,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2022-07-13 19:11:16,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2022-07-13 19:11:16,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2022-07-13 19:11:16,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2022-07-13 19:11:16,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2022-07-13 19:11:16,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2022-07-13 19:11:16,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2022-07-13 19:11:16,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2022-07-13 19:11:16,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2022-07-13 19:11:16,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2022-07-13 19:11:16,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2022-07-13 19:11:16,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2022-07-13 19:11:16,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2022-07-13 19:11:16,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2022-07-13 19:11:16,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2022-07-13 19:11:16,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2022-07-13 19:11:16,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2022-07-13 19:11:16,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2022-07-13 19:11:16,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2022-07-13 19:11:16,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2022-07-13 19:11:16,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2022-07-13 19:11:16,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2022-07-13 19:11:16,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2022-07-13 19:11:16,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2022-07-13 19:11:16,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2022-07-13 19:11:16,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2022-07-13 19:11:16,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2022-07-13 19:11:16,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2022-07-13 19:11:16,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2022-07-13 19:11:16,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:11:16,965 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 19:11:17,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[147376,147389] [2022-07-13 19:11:17,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[216640,216653] [2022-07-13 19:11:17,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251269,251282] [2022-07-13 19:11:17,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[268618,268631] [2022-07-13 19:11:17,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[277293,277306] [2022-07-13 19:11:17,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[281602,281615] [2022-07-13 19:11:17,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[285742,285755] [2022-07-13 19:11:17,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[353833,353846] [2022-07-13 19:11:17,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[387694,387707] [2022-07-13 19:11:17,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[404802,404815] [2022-07-13 19:11:17,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[413481,413494] [2022-07-13 19:11:17,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[417791,417804] [2022-07-13 19:11:17,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[421932,421945] [2022-07-13 19:11:17,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[456014,456027] [2022-07-13 19:11:17,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[473125,473138] [2022-07-13 19:11:17,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[481792,481805] [2022-07-13 19:11:17,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[486086,486099] [2022-07-13 19:11:17,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[490211,490224] [2022-07-13 19:11:17,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[508509,508522] [2022-07-13 19:11:17,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[517152,517165] [2022-07-13 19:11:17,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[521446,521459] [2022-07-13 19:11:17,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[525571,525584] [2022-07-13 19:11:17,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[530444,530457] [2022-07-13 19:11:17,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[534605,534618] [2022-07-13 19:11:17,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[538899,538912] [2022-07-13 19:11:17,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[543024,543037] [2022-07-13 19:11:17,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[547518,547531] [2022-07-13 19:11:17,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[551659,551672] [2022-07-13 19:11:17,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[555964,555977] [2022-07-13 19:11:17,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:11:17,884 INFO L208 MainTranslator]: Completed translation [2022-07-13 19:11:17,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17 WrapperNode [2022-07-13 19:11:17,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 19:11:17,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 19:11:17,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 19:11:17,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 19:11:17,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:17,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,208 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24436 [2022-07-13 19:11:18,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 19:11:18,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 19:11:18,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 19:11:18,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 19:11:18,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 19:11:18,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 19:11:18,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 19:11:18,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 19:11:18,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (1/1) ... [2022-07-13 19:11:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:11:18,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 19:11:18,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 19:11:18,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 19:11:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 19:11:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 19:11:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 19:11:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 19:11:19,115 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 19:11:19,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 19:11:25,291 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 19:11:25,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 19:11:25,326 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 19:11:25,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:11:25 BoogieIcfgContainer [2022-07-13 19:11:25,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 19:11:25,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 19:11:25,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 19:11:25,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 19:11:25,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 07:11:15" (1/3) ... [2022-07-13 19:11:25,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66faac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:11:25, skipping insertion in model container [2022-07-13 19:11:25,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:11:17" (2/3) ... [2022-07-13 19:11:25,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66faac67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:11:25, skipping insertion in model container [2022-07-13 19:11:25,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:11:25" (3/3) ... [2022-07-13 19:11:25,336 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-07-13 19:11:25,345 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 19:11:25,345 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-07-13 19:11:25,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 19:11:25,440 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7930326a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2c767216 [2022-07-13 19:11:25,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-07-13 19:11:25,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 5023 states, 4993 states have (on average 1.8155417584618465) internal successors, (9065), 5022 states have internal predecessors, (9065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:25,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-13 19:11:25,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:25,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:25,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:25,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:25,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1176206024, now seen corresponding path program 1 times [2022-07-13 19:11:25,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:25,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186851538] [2022-07-13 19:11:25,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:25,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:25,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:25,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186851538] [2022-07-13 19:11:25,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186851538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:25,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:25,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:25,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507719587] [2022-07-13 19:11:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:25,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:25,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:25,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:25,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:25,898 INFO L87 Difference]: Start difference. First operand has 5023 states, 4993 states have (on average 1.8155417584618465) internal successors, (9065), 5022 states have internal predecessors, (9065), 0 states have call successors, (0), 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 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:28,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:28,205 INFO L93 Difference]: Finished difference Result 5555 states and 9914 transitions. [2022-07-13 19:11:28,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:28,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-07-13 19:11:28,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:28,227 INFO L225 Difference]: With dead ends: 5555 [2022-07-13 19:11:28,227 INFO L226 Difference]: Without dead ends: 3084 [2022-07-13 19:11:28,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:28,235 INFO L413 NwaCegarLoop]: 2876 mSDtfsCounter, 16161 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16161 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 2716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:28,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16161 Valid, 2954 Invalid, 2716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 19:11:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3084 states. [2022-07-13 19:11:28,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3084 to 3084. [2022-07-13 19:11:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3084 states, 3055 states have (on average 1.3240589198036006) internal successors, (4045), 3083 states have internal predecessors, (4045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 4045 transitions. [2022-07-13 19:11:28,353 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 4045 transitions. Word has length 101 [2022-07-13 19:11:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:28,354 INFO L495 AbstractCegarLoop]: Abstraction has 3084 states and 4045 transitions. [2022-07-13 19:11:28,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 4045 transitions. [2022-07-13 19:11:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-13 19:11:28,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:28,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:28,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 19:11:28,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:28,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2063346064, now seen corresponding path program 1 times [2022-07-13 19:11:28,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:28,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008037568] [2022-07-13 19:11:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:28,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:28,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:28,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008037568] [2022-07-13 19:11:28,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008037568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:28,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:28,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:28,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538393104] [2022-07-13 19:11:28,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:28,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:28,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:28,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:28,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:28,462 INFO L87 Difference]: Start difference. First operand 3084 states and 4045 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:30,246 INFO L93 Difference]: Finished difference Result 4279 states and 5660 transitions. [2022-07-13 19:11:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:30,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-07-13 19:11:30,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:30,255 INFO L225 Difference]: With dead ends: 4279 [2022-07-13 19:11:30,255 INFO L226 Difference]: Without dead ends: 2828 [2022-07-13 19:11:30,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:30,259 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10949 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2288 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10949 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:30,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10949 Valid, 1522 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2288 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:11:30,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2022-07-13 19:11:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2022-07-13 19:11:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2799 states have (on average 1.3419078242229368) internal successors, (3756), 2827 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) [2022-07-13 19:11:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3756 transitions. [2022-07-13 19:11:30,350 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3756 transitions. Word has length 101 [2022-07-13 19:11:30,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:30,351 INFO L495 AbstractCegarLoop]: Abstraction has 2828 states and 3756 transitions. [2022-07-13 19:11:30,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:30,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3756 transitions. [2022-07-13 19:11:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-13 19:11:30,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:30,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:30,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 19:11:30,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:30,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:30,357 INFO L85 PathProgramCache]: Analyzing trace with hash -299686269, now seen corresponding path program 1 times [2022-07-13 19:11:30,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:30,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083684597] [2022-07-13 19:11:30,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:30,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:30,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083684597] [2022-07-13 19:11:30,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083684597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:30,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:30,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872201197] [2022-07-13 19:11:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:30,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:30,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:30,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:30,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:30,496 INFO L87 Difference]: Start difference. First operand 2828 states and 3756 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:32,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:32,528 INFO L93 Difference]: Finished difference Result 5057 states and 6783 transitions. [2022-07-13 19:11:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:32,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-07-13 19:11:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:32,539 INFO L225 Difference]: With dead ends: 5057 [2022-07-13 19:11:32,539 INFO L226 Difference]: Without dead ends: 3618 [2022-07-13 19:11:32,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:32,542 INFO L413 NwaCegarLoop]: 1463 mSDtfsCounter, 12954 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12954 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:32,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12954 Valid, 2186 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-13 19:11:32,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3618 states. [2022-07-13 19:11:32,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3618 to 3468. [2022-07-13 19:11:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3468 states, 3439 states have (on average 1.3858679848793254) internal successors, (4766), 3467 states have internal predecessors, (4766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3468 states and 4766 transitions. [2022-07-13 19:11:32,647 INFO L78 Accepts]: Start accepts. Automaton has 3468 states and 4766 transitions. Word has length 101 [2022-07-13 19:11:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:32,648 INFO L495 AbstractCegarLoop]: Abstraction has 3468 states and 4766 transitions. [2022-07-13 19:11:32,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 4766 transitions. [2022-07-13 19:11:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-13 19:11:32,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:32,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:32,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 19:11:32,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:32,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash 112654927, now seen corresponding path program 1 times [2022-07-13 19:11:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:32,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049267548] [2022-07-13 19:11:32,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:32,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:32,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:32,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049267548] [2022-07-13 19:11:32,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049267548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:32,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:32,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138184708] [2022-07-13 19:11:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:32,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:32,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:32,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:32,742 INFO L87 Difference]: Start difference. First operand 3468 states and 4766 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:33,815 INFO L93 Difference]: Finished difference Result 4451 states and 6118 transitions. [2022-07-13 19:11:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:33,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-13 19:11:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:33,823 INFO L225 Difference]: With dead ends: 4451 [2022-07-13 19:11:33,826 INFO L226 Difference]: Without dead ends: 2694 [2022-07-13 19:11:33,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:33,832 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 7602 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7602 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:33,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7602 Valid, 1211 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 19:11:33,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2022-07-13 19:11:33,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2022-07-13 19:11:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 2665 states have (on average 1.4041275797373358) internal successors, (3742), 2693 states have internal predecessors, (3742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3742 transitions. [2022-07-13 19:11:33,933 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3742 transitions. Word has length 102 [2022-07-13 19:11:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:33,939 INFO L495 AbstractCegarLoop]: Abstraction has 2694 states and 3742 transitions. [2022-07-13 19:11:33,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3742 transitions. [2022-07-13 19:11:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-13 19:11:33,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:33,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:33,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 19:11:33,944 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:33,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1353221859, now seen corresponding path program 1 times [2022-07-13 19:11:33,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:33,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419798212] [2022-07-13 19:11:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:33,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:34,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:34,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419798212] [2022-07-13 19:11:34,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419798212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:34,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:34,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:34,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997020687] [2022-07-13 19:11:34,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:34,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:34,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:34,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:34,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:34,060 INFO L87 Difference]: Start difference. First operand 2694 states and 3742 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:34,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:34,958 INFO L93 Difference]: Finished difference Result 3892 states and 5415 transitions. [2022-07-13 19:11:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:34,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-07-13 19:11:34,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:34,965 INFO L225 Difference]: With dead ends: 3892 [2022-07-13 19:11:34,965 INFO L226 Difference]: Without dead ends: 2485 [2022-07-13 19:11:34,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:34,967 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 7040 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7040 SdHoareTripleChecker+Valid, 1140 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:34,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7040 Valid, 1140 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 19:11:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-07-13 19:11:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2022-07-13 19:11:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2456 states have (on average 1.416530944625407) internal successors, (3479), 2484 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3479 transitions. [2022-07-13 19:11:35,042 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3479 transitions. Word has length 103 [2022-07-13 19:11:35,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:35,043 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3479 transitions. [2022-07-13 19:11:35,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3479 transitions. [2022-07-13 19:11:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-13 19:11:35,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:35,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:35,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 19:11:35,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:35,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:35,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1882555602, now seen corresponding path program 1 times [2022-07-13 19:11:35,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:35,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515161642] [2022-07-13 19:11:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:35,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:35,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:35,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515161642] [2022-07-13 19:11:35,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515161642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:35,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:35,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:35,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690536277] [2022-07-13 19:11:35,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:35,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:35,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:35,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:35,121 INFO L87 Difference]: Start difference. First operand 2485 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:35,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:35,957 INFO L93 Difference]: Finished difference Result 3587 states and 5018 transitions. [2022-07-13 19:11:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:35,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-07-13 19:11:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:35,963 INFO L225 Difference]: With dead ends: 3587 [2022-07-13 19:11:35,963 INFO L226 Difference]: Without dead ends: 2286 [2022-07-13 19:11:35,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:35,966 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 6465 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:35,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6465 Valid, 1077 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 19:11:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2022-07-13 19:11:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2286. [2022-07-13 19:11:36,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2257 states have (on average 1.4249003101462119) internal successors, (3216), 2285 states have internal predecessors, (3216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3216 transitions. [2022-07-13 19:11:36,062 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3216 transitions. Word has length 104 [2022-07-13 19:11:36,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:36,062 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 3216 transitions. [2022-07-13 19:11:36,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3216 transitions. [2022-07-13 19:11:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-13 19:11:36,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:36,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:36,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 19:11:36,068 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:36,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1331427909, now seen corresponding path program 1 times [2022-07-13 19:11:36,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:36,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917443143] [2022-07-13 19:11:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:36,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:36,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917443143] [2022-07-13 19:11:36,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917443143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:36,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:36,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 19:11:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961288920] [2022-07-13 19:11:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:36,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 19:11:36,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 19:11:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 19:11:36,160 INFO L87 Difference]: Start difference. First operand 2286 states and 3216 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:36,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:36,744 INFO L93 Difference]: Finished difference Result 2673 states and 3684 transitions. [2022-07-13 19:11:36,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 19:11:36,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-07-13 19:11:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:36,749 INFO L225 Difference]: With dead ends: 2673 [2022-07-13 19:11:36,749 INFO L226 Difference]: Without dead ends: 1556 [2022-07-13 19:11:36,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 19:11:36,751 INFO L413 NwaCegarLoop]: 720 mSDtfsCounter, 4230 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4230 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:36,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4230 Valid, 764 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 19:11:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2022-07-13 19:11:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1556. [2022-07-13 19:11:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.441388343156516) internal successors, (2201), 1555 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:36,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2201 transitions. [2022-07-13 19:11:36,806 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2201 transitions. Word has length 105 [2022-07-13 19:11:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:36,806 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2201 transitions. [2022-07-13 19:11:36,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2201 transitions. [2022-07-13 19:11:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:36,809 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:36,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:36,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 19:11:36,809 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:36,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:36,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1784080565, now seen corresponding path program 1 times [2022-07-13 19:11:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:36,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734521190] [2022-07-13 19:11:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:36,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734521190] [2022-07-13 19:11:36,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734521190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:36,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:36,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:36,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840584755] [2022-07-13 19:11:36,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:36,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:36,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:36,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:36,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:36,918 INFO L87 Difference]: Start difference. First operand 1556 states and 2201 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:38,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:38,507 INFO L93 Difference]: Finished difference Result 2956 states and 4219 transitions. [2022-07-13 19:11:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:38,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:38,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:38,514 INFO L225 Difference]: With dead ends: 2956 [2022-07-13 19:11:38,514 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:11:38,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:11:38,515 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 6588 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6588 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 3220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:38,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6588 Valid, 3748 Invalid, 3220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:11:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:11:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:11:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4407334643091028) internal successors, (2200), 1555 states have internal predecessors, (2200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2200 transitions. [2022-07-13 19:11:38,588 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2200 transitions. Word has length 106 [2022-07-13 19:11:38,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:38,589 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2200 transitions. [2022-07-13 19:11:38,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2200 transitions. [2022-07-13 19:11:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:38,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:38,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:38,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 19:11:38,591 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:38,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:38,592 INFO L85 PathProgramCache]: Analyzing trace with hash -93884374, now seen corresponding path program 1 times [2022-07-13 19:11:38,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:38,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380819821] [2022-07-13 19:11:38,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:38,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:38,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380819821] [2022-07-13 19:11:38,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380819821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:38,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:38,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:11:38,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542888735] [2022-07-13 19:11:38,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:38,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:11:38,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:38,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:11:38,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:11:38,729 INFO L87 Difference]: Start difference. First operand 1556 states and 2200 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:40,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:40,752 INFO L93 Difference]: Finished difference Result 3029 states and 4316 transitions. [2022-07-13 19:11:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-13 19:11:40,752 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:40,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:40,759 INFO L225 Difference]: With dead ends: 3029 [2022-07-13 19:11:40,759 INFO L226 Difference]: Without dead ends: 2814 [2022-07-13 19:11:40,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-13 19:11:40,760 INFO L413 NwaCegarLoop]: 911 mSDtfsCounter, 4377 mSDsluCounter, 4378 mSDsCounter, 0 mSdLazyCounter, 4511 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4377 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:40,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4377 Valid, 5289 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4511 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:11:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2022-07-13 19:11:40,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 1563. [2022-07-13 19:11:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1534 states have (on average 1.4406779661016949) internal successors, (2210), 1562 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2210 transitions. [2022-07-13 19:11:40,873 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2210 transitions. Word has length 106 [2022-07-13 19:11:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:40,873 INFO L495 AbstractCegarLoop]: Abstraction has 1563 states and 2210 transitions. [2022-07-13 19:11:40,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 11 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2210 transitions. [2022-07-13 19:11:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:40,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:40,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:40,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 19:11:40,876 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:40,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1475113997, now seen corresponding path program 1 times [2022-07-13 19:11:40,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:40,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539125085] [2022-07-13 19:11:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:40,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:41,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:41,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539125085] [2022-07-13 19:11:41,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539125085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:41,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:41,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:41,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220235919] [2022-07-13 19:11:41,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:41,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:41,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:41,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:41,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:41,007 INFO L87 Difference]: Start difference. First operand 1563 states and 2210 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:42,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:42,585 INFO L93 Difference]: Finished difference Result 2780 states and 3943 transitions. [2022-07-13 19:11:42,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:42,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:42,592 INFO L225 Difference]: With dead ends: 2780 [2022-07-13 19:11:42,592 INFO L226 Difference]: Without dead ends: 2396 [2022-07-13 19:11:42,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:11:42,593 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 4699 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 2960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:42,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 3483 Invalid, 2960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 19:11:42,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-07-13 19:11:42,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 1556. [2022-07-13 19:11:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4400785854616895) internal successors, (2199), 1555 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2199 transitions. [2022-07-13 19:11:42,709 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2199 transitions. Word has length 106 [2022-07-13 19:11:42,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:42,709 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2199 transitions. [2022-07-13 19:11:42,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2199 transitions. [2022-07-13 19:11:42,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:42,711 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:42,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:42,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 19:11:42,711 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1447789183, now seen corresponding path program 1 times [2022-07-13 19:11:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:42,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324485141] [2022-07-13 19:11:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:42,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:42,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324485141] [2022-07-13 19:11:42,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324485141] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:42,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:42,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 19:11:42,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896728242] [2022-07-13 19:11:42,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:42,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 19:11:42,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:42,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 19:11:42,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-13 19:11:42,861 INFO L87 Difference]: Start difference. First operand 1556 states and 2199 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:44,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:44,524 INFO L93 Difference]: Finished difference Result 2844 states and 4036 transitions. [2022-07-13 19:11:44,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 19:11:44,525 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:44,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:44,530 INFO L225 Difference]: With dead ends: 2844 [2022-07-13 19:11:44,530 INFO L226 Difference]: Without dead ends: 2660 [2022-07-13 19:11:44,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-13 19:11:44,531 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 8624 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 3720 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8624 SdHoareTripleChecker+Valid, 4343 SdHoareTripleChecker+Invalid, 3994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 3720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:44,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8624 Valid, 4343 Invalid, 3994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 3720 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:11:44,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2022-07-13 19:11:44,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 1556. [2022-07-13 19:11:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.438768827766863) internal successors, (2197), 1555 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2197 transitions. [2022-07-13 19:11:44,655 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2197 transitions. Word has length 106 [2022-07-13 19:11:44,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:44,655 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2197 transitions. [2022-07-13 19:11:44,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2197 transitions. [2022-07-13 19:11:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:44,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:44,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:44,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 19:11:44,657 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:44,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:44,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1399133704, now seen corresponding path program 1 times [2022-07-13 19:11:44,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:44,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613543146] [2022-07-13 19:11:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:44,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:44,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:44,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613543146] [2022-07-13 19:11:44,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613543146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:44,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:44,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 19:11:44,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287623926] [2022-07-13 19:11:44,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:44,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 19:11:44,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:44,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 19:11:44,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-13 19:11:44,762 INFO L87 Difference]: Start difference. First operand 1556 states and 2197 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:46,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:46,456 INFO L93 Difference]: Finished difference Result 2996 states and 4267 transitions. [2022-07-13 19:11:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 19:11:46,457 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:46,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:46,461 INFO L225 Difference]: With dead ends: 2996 [2022-07-13 19:11:46,461 INFO L226 Difference]: Without dead ends: 2732 [2022-07-13 19:11:46,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-13 19:11:46,462 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 6707 mSDsluCounter, 3682 mSDsCounter, 0 mSdLazyCounter, 3817 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6707 SdHoareTripleChecker+Valid, 4558 SdHoareTripleChecker+Invalid, 3881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 3817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:46,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6707 Valid, 4558 Invalid, 3881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 3817 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:11:46,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-07-13 19:11:46,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1556. [2022-07-13 19:11:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4374590700720367) internal successors, (2195), 1555 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2195 transitions. [2022-07-13 19:11:46,557 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2195 transitions. Word has length 106 [2022-07-13 19:11:46,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:46,557 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2195 transitions. [2022-07-13 19:11:46,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:46,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2195 transitions. [2022-07-13 19:11:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:46,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:46,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:46,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 19:11:46,560 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:46,560 INFO L85 PathProgramCache]: Analyzing trace with hash -287017141, now seen corresponding path program 1 times [2022-07-13 19:11:46,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:46,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946099134] [2022-07-13 19:11:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:46,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:46,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:46,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946099134] [2022-07-13 19:11:46,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946099134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:46,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:46,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 19:11:46,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422632243] [2022-07-13 19:11:46,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:46,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 19:11:46,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:46,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 19:11:46,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-13 19:11:46,673 INFO L87 Difference]: Start difference. First operand 1556 states and 2195 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:48,392 INFO L93 Difference]: Finished difference Result 2992 states and 4265 transitions. [2022-07-13 19:11:48,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 19:11:48,392 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:48,395 INFO L225 Difference]: With dead ends: 2992 [2022-07-13 19:11:48,396 INFO L226 Difference]: Without dead ends: 2732 [2022-07-13 19:11:48,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-13 19:11:48,397 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 6527 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 3812 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6527 SdHoareTripleChecker+Valid, 4574 SdHoareTripleChecker+Invalid, 3875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:48,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6527 Valid, 4574 Invalid, 3875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:11:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-07-13 19:11:48,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1556. [2022-07-13 19:11:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4361493123772102) internal successors, (2193), 1555 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2193 transitions. [2022-07-13 19:11:48,493 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2193 transitions. Word has length 106 [2022-07-13 19:11:48,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:48,494 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2193 transitions. [2022-07-13 19:11:48,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2193 transitions. [2022-07-13 19:11:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 19:11:48,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:48,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:48,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 19:11:48,496 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:48,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:48,497 INFO L85 PathProgramCache]: Analyzing trace with hash -965176715, now seen corresponding path program 1 times [2022-07-13 19:11:48,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:48,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173130895] [2022-07-13 19:11:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:48,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:48,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173130895] [2022-07-13 19:11:48,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173130895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:48,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:48,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 19:11:48,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015201742] [2022-07-13 19:11:48,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:48,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 19:11:48,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:48,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 19:11:48,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-13 19:11:48,604 INFO L87 Difference]: Start difference. First operand 1556 states and 2193 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:50,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:50,362 INFO L93 Difference]: Finished difference Result 3038 states and 4291 transitions. [2022-07-13 19:11:50,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 19:11:50,362 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-13 19:11:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:50,366 INFO L225 Difference]: With dead ends: 3038 [2022-07-13 19:11:50,366 INFO L226 Difference]: Without dead ends: 2388 [2022-07-13 19:11:50,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-13 19:11:50,367 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 7894 mSDsluCounter, 4204 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7894 SdHoareTripleChecker+Valid, 5085 SdHoareTripleChecker+Invalid, 4291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:50,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7894 Valid, 5085 Invalid, 4291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:11:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2388 states. [2022-07-13 19:11:50,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2388 to 1556. [2022-07-13 19:11:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4348395546823838) internal successors, (2191), 1555 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2191 transitions. [2022-07-13 19:11:50,470 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2191 transitions. Word has length 106 [2022-07-13 19:11:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:50,470 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2191 transitions. [2022-07-13 19:11:50,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 10 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2191 transitions. [2022-07-13 19:11:50,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 19:11:50,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:50,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:50,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 19:11:50,473 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:50,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:50,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1899937595, now seen corresponding path program 1 times [2022-07-13 19:11:50,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:50,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605291253] [2022-07-13 19:11:50,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:50,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:50,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:50,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605291253] [2022-07-13 19:11:50,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605291253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:50,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:50,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:50,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405678880] [2022-07-13 19:11:50,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:50,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:50,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:50,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:50,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:50,604 INFO L87 Difference]: Start difference. First operand 1556 states and 2191 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:52,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:52,144 INFO L93 Difference]: Finished difference Result 2955 states and 4204 transitions. [2022-07-13 19:11:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:52,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-13 19:11:52,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:52,148 INFO L225 Difference]: With dead ends: 2955 [2022-07-13 19:11:52,148 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:11:52,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:11:52,149 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 4174 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4174 SdHoareTripleChecker+Valid, 3763 SdHoareTripleChecker+Invalid, 3177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:52,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4174 Valid, 3763 Invalid, 3177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 19:11:52,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:11:52,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:11:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4341846758349706) internal successors, (2190), 1555 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2190 transitions. [2022-07-13 19:11:52,255 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2190 transitions. Word has length 108 [2022-07-13 19:11:52,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:52,255 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2190 transitions. [2022-07-13 19:11:52,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2190 transitions. [2022-07-13 19:11:52,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 19:11:52,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:52,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:52,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 19:11:52,257 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:52,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:52,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1013800078, now seen corresponding path program 1 times [2022-07-13 19:11:52,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:52,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482836790] [2022-07-13 19:11:52,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:52,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:52,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:52,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482836790] [2022-07-13 19:11:52,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482836790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:52,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:52,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:52,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660402509] [2022-07-13 19:11:52,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:52,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:52,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:52,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:52,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:52,414 INFO L87 Difference]: Start difference. First operand 1556 states and 2190 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:54,275 INFO L93 Difference]: Finished difference Result 3051 states and 4347 transitions. [2022-07-13 19:11:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:54,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-13 19:11:54,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:54,279 INFO L225 Difference]: With dead ends: 3051 [2022-07-13 19:11:54,280 INFO L226 Difference]: Without dead ends: 2767 [2022-07-13 19:11:54,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:11:54,282 INFO L413 NwaCegarLoop]: 1327 mSDtfsCounter, 3566 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 4253 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 4274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:54,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3566 Valid, 5233 Invalid, 4274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4253 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:11:54,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-13 19:11:54,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-07-13 19:11:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4335297969875573) internal successors, (2189), 1555 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2189 transitions. [2022-07-13 19:11:54,403 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2189 transitions. Word has length 108 [2022-07-13 19:11:54,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:54,403 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2189 transitions. [2022-07-13 19:11:54,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2189 transitions. [2022-07-13 19:11:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 19:11:54,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:54,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:54,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 19:11:54,406 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:54,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 599824408, now seen corresponding path program 1 times [2022-07-13 19:11:54,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:54,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427681733] [2022-07-13 19:11:54,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:54,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:54,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:54,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427681733] [2022-07-13 19:11:54,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427681733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:54,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:54,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:54,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009847781] [2022-07-13 19:11:54,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:54,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:54,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:54,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:54,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:54,508 INFO L87 Difference]: Start difference. First operand 1556 states and 2189 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:56,156 INFO L93 Difference]: Finished difference Result 2949 states and 4196 transitions. [2022-07-13 19:11:56,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:56,157 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-13 19:11:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:56,161 INFO L225 Difference]: With dead ends: 2949 [2022-07-13 19:11:56,161 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:11:56,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:11:56,162 INFO L413 NwaCegarLoop]: 947 mSDtfsCounter, 4867 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 3400 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4867 SdHoareTripleChecker+Valid, 4078 SdHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:56,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4867 Valid, 4078 Invalid, 3448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3400 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:11:56,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:11:56,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:11:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4328749181401441) internal successors, (2188), 1555 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2188 transitions. [2022-07-13 19:11:56,281 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2188 transitions. Word has length 108 [2022-07-13 19:11:56,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:56,282 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2188 transitions. [2022-07-13 19:11:56,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2188 transitions. [2022-07-13 19:11:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 19:11:56,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:56,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:56,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 19:11:56,284 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:56,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash -187390256, now seen corresponding path program 1 times [2022-07-13 19:11:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:56,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480014566] [2022-07-13 19:11:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:56,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:56,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:56,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480014566] [2022-07-13 19:11:56,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480014566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:56,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:56,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:11:56,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949565193] [2022-07-13 19:11:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:56,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:11:56,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:56,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:11:56,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:11:56,377 INFO L87 Difference]: Start difference. First operand 1556 states and 2188 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:58,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:58,283 INFO L93 Difference]: Finished difference Result 3031 states and 4323 transitions. [2022-07-13 19:11:58,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:11:58,283 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-13 19:11:58,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:58,288 INFO L225 Difference]: With dead ends: 3031 [2022-07-13 19:11:58,288 INFO L226 Difference]: Without dead ends: 2767 [2022-07-13 19:11:58,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-13 19:11:58,289 INFO L413 NwaCegarLoop]: 1239 mSDtfsCounter, 6902 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4187 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6902 SdHoareTripleChecker+Valid, 5191 SdHoareTripleChecker+Invalid, 4229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:58,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6902 Valid, 5191 Invalid, 4229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4187 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:11:58,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-13 19:11:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-07-13 19:11:58,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.432220039292731) internal successors, (2187), 1555 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:58,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2187 transitions. [2022-07-13 19:11:58,463 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2187 transitions. Word has length 108 [2022-07-13 19:11:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:11:58,463 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2187 transitions. [2022-07-13 19:11:58,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2187 transitions. [2022-07-13 19:11:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-13 19:11:58,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:11:58,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:11:58,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 19:11:58,465 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:11:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:11:58,466 INFO L85 PathProgramCache]: Analyzing trace with hash -817532877, now seen corresponding path program 1 times [2022-07-13 19:11:58,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:11:58,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635218803] [2022-07-13 19:11:58,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:11:58,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:11:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:11:58,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:11:58,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:11:58,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635218803] [2022-07-13 19:11:58,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635218803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:11:58,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:11:58,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 19:11:58,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794153911] [2022-07-13 19:11:58,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:11:58,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 19:11:58,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:11:58,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 19:11:58,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-13 19:11:58,591 INFO L87 Difference]: Start difference. First operand 1556 states and 2187 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:11:59,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:11:59,865 INFO L93 Difference]: Finished difference Result 2679 states and 3647 transitions. [2022-07-13 19:11:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 19:11:59,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-13 19:11:59,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:11:59,869 INFO L225 Difference]: With dead ends: 2679 [2022-07-13 19:11:59,869 INFO L226 Difference]: Without dead ends: 2015 [2022-07-13 19:11:59,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-13 19:11:59,870 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 7436 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7436 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:11:59,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7436 Valid, 2091 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2252 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 19:11:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-07-13 19:12:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1556. [2022-07-13 19:12:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4315651604453177) internal successors, (2186), 1555 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2186 transitions. [2022-07-13 19:12:00,013 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2186 transitions. Word has length 108 [2022-07-13 19:12:00,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:00,013 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2186 transitions. [2022-07-13 19:12:00,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2186 transitions. [2022-07-13 19:12:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:00,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:00,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:00,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 19:12:00,016 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:00,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:00,016 INFO L85 PathProgramCache]: Analyzing trace with hash 499181646, now seen corresponding path program 1 times [2022-07-13 19:12:00,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:00,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090935901] [2022-07-13 19:12:00,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:00,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:00,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090935901] [2022-07-13 19:12:00,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090935901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:00,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:00,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953806738] [2022-07-13 19:12:00,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:00,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:00,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:00,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:00,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:00,121 INFO L87 Difference]: Start difference. First operand 1556 states and 2186 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:02,077 INFO L93 Difference]: Finished difference Result 3135 states and 4460 transitions. [2022-07-13 19:12:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:02,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:02,081 INFO L225 Difference]: With dead ends: 3135 [2022-07-13 19:12:02,081 INFO L226 Difference]: Without dead ends: 2767 [2022-07-13 19:12:02,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-13 19:12:02,082 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 6913 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 4094 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 5131 SdHoareTripleChecker+Invalid, 4136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 4094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:02,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6913 Valid, 5131 Invalid, 4136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 4094 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-13 19:12:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-07-13 19:12:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4302554027504912) internal successors, (2184), 1555 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2184 transitions. [2022-07-13 19:12:02,229 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2184 transitions. Word has length 110 [2022-07-13 19:12:02,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:02,229 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2184 transitions. [2022-07-13 19:12:02,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2184 transitions. [2022-07-13 19:12:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:02,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:02,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:02,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 19:12:02,231 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:02,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash 710747051, now seen corresponding path program 1 times [2022-07-13 19:12:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:02,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875199074] [2022-07-13 19:12:02,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:02,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:02,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875199074] [2022-07-13 19:12:02,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875199074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:02,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:02,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:02,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10205366] [2022-07-13 19:12:02,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:02,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:02,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:02,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:02,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:02,319 INFO L87 Difference]: Start difference. First operand 1556 states and 2184 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:04,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:04,159 INFO L93 Difference]: Finished difference Result 2926 states and 4151 transitions. [2022-07-13 19:12:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:04,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:04,162 INFO L225 Difference]: With dead ends: 2926 [2022-07-13 19:12:04,163 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:04,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:04,164 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 7238 mSDsluCounter, 3527 mSDsCounter, 0 mSdLazyCounter, 3962 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7238 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:04,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7238 Valid, 4648 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3962 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:04,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4289456450556648) internal successors, (2182), 1555 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2182 transitions. [2022-07-13 19:12:04,369 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2182 transitions. Word has length 110 [2022-07-13 19:12:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:04,369 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2182 transitions. [2022-07-13 19:12:04,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2182 transitions. [2022-07-13 19:12:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:04,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:04,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:04,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 19:12:04,372 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:04,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:04,372 INFO L85 PathProgramCache]: Analyzing trace with hash -742843731, now seen corresponding path program 1 times [2022-07-13 19:12:04,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:04,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208307354] [2022-07-13 19:12:04,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:04,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:04,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208307354] [2022-07-13 19:12:04,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208307354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:04,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:04,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:04,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183259351] [2022-07-13 19:12:04,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:04,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:04,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:04,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:04,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:04,461 INFO L87 Difference]: Start difference. First operand 1556 states and 2182 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:06,318 INFO L93 Difference]: Finished difference Result 2922 states and 4144 transitions. [2022-07-13 19:12:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:06,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:06,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:06,323 INFO L225 Difference]: With dead ends: 2922 [2022-07-13 19:12:06,323 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:06,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:06,324 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 3724 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3724 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:06,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3724 Valid, 4487 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 3814 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:06,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:06,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4276358873608384) internal successors, (2180), 1555 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2180 transitions. [2022-07-13 19:12:06,484 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2180 transitions. Word has length 110 [2022-07-13 19:12:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:06,485 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2180 transitions. [2022-07-13 19:12:06,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2180 transitions. [2022-07-13 19:12:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:06,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:06,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:06,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-13 19:12:06,487 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:06,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:06,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1547864661, now seen corresponding path program 1 times [2022-07-13 19:12:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:06,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17402694] [2022-07-13 19:12:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:06,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:06,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17402694] [2022-07-13 19:12:06,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17402694] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:06,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:06,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:06,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628985212] [2022-07-13 19:12:06,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:06,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:06,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:06,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:06,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:06,572 INFO L87 Difference]: Start difference. First operand 1556 states and 2180 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:08,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:08,274 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2022-07-13 19:12:08,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:08,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:08,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:08,277 INFO L225 Difference]: With dead ends: 2856 [2022-07-13 19:12:08,278 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:08,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:08,279 INFO L413 NwaCegarLoop]: 883 mSDtfsCounter, 4030 mSDsluCounter, 2871 mSDsCounter, 0 mSdLazyCounter, 3252 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4030 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 3373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:08,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4030 Valid, 3754 Invalid, 3373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3252 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 19:12:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:08,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4263261296660117) internal successors, (2178), 1555 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:08,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2178 transitions. [2022-07-13 19:12:08,449 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2178 transitions. Word has length 110 [2022-07-13 19:12:08,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:08,449 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2178 transitions. [2022-07-13 19:12:08,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2178 transitions. [2022-07-13 19:12:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:08,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:08,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:08,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-13 19:12:08,451 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:08,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:08,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1996058189, now seen corresponding path program 1 times [2022-07-13 19:12:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:08,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026205789] [2022-07-13 19:12:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:08,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:08,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:08,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026205789] [2022-07-13 19:12:08,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026205789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:08,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:08,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051329915] [2022-07-13 19:12:08,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:08,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:08,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:08,534 INFO L87 Difference]: Start difference. First operand 1556 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:10,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:10,461 INFO L93 Difference]: Finished difference Result 3020 states and 4279 transitions. [2022-07-13 19:12:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:10,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:10,464 INFO L225 Difference]: With dead ends: 3020 [2022-07-13 19:12:10,465 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:12:10,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:10,466 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 5460 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 3957 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5460 SdHoareTripleChecker+Valid, 4731 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:10,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5460 Valid, 4731 Invalid, 4010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3957 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:10,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:12:10,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:12:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4250163719711852) internal successors, (2176), 1555 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2176 transitions. [2022-07-13 19:12:10,639 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2176 transitions. Word has length 110 [2022-07-13 19:12:10,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:10,639 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2176 transitions. [2022-07-13 19:12:10,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2176 transitions. [2022-07-13 19:12:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:10,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:10,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:10,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-13 19:12:10,641 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash 50488066, now seen corresponding path program 1 times [2022-07-13 19:12:10,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:10,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989831740] [2022-07-13 19:12:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:10,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:10,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:10,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989831740] [2022-07-13 19:12:10,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989831740] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:10,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:10,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:10,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138083095] [2022-07-13 19:12:10,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:10,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:10,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:10,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:10,727 INFO L87 Difference]: Start difference. First operand 1556 states and 2176 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:12,620 INFO L93 Difference]: Finished difference Result 3036 states and 4291 transitions. [2022-07-13 19:12:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:12,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:12,622 INFO L225 Difference]: With dead ends: 3036 [2022-07-13 19:12:12,622 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:12:12,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:12,623 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 5764 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 3853 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5764 SdHoareTripleChecker+Valid, 4613 SdHoareTripleChecker+Invalid, 3905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 3853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:12,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5764 Valid, 4613 Invalid, 3905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 3853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:12:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:12:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4237066142763588) internal successors, (2174), 1555 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2174 transitions. [2022-07-13 19:12:12,802 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2174 transitions. Word has length 110 [2022-07-13 19:12:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:12,802 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2174 transitions. [2022-07-13 19:12:12,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2174 transitions. [2022-07-13 19:12:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:12,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:12,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 19:12:12,804 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:12,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash -569205108, now seen corresponding path program 1 times [2022-07-13 19:12:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:12,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348758438] [2022-07-13 19:12:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:12,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:12,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348758438] [2022-07-13 19:12:12,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348758438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:12,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:12,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78039709] [2022-07-13 19:12:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:12,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:12,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:12,891 INFO L87 Difference]: Start difference. First operand 1556 states and 2174 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:14,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:14,902 INFO L93 Difference]: Finished difference Result 3187 states and 4506 transitions. [2022-07-13 19:12:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:14,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:14,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:14,905 INFO L225 Difference]: With dead ends: 3187 [2022-07-13 19:12:14,905 INFO L226 Difference]: Without dead ends: 2767 [2022-07-13 19:12:14,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:14,907 INFO L413 NwaCegarLoop]: 1378 mSDtfsCounter, 4953 mSDsluCounter, 3995 mSDsCounter, 0 mSdLazyCounter, 4371 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4953 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 4399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 4371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:14,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4953 Valid, 5373 Invalid, 4399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 4371 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2022-07-13 19:12:15,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 1556. [2022-07-13 19:12:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4223968565815324) internal successors, (2172), 1555 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2172 transitions. [2022-07-13 19:12:15,113 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2172 transitions. Word has length 110 [2022-07-13 19:12:15,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:15,114 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2172 transitions. [2022-07-13 19:12:15,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2172 transitions. [2022-07-13 19:12:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:15,115 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:15,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:15,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-13 19:12:15,116 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:15,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1154108685, now seen corresponding path program 1 times [2022-07-13 19:12:15,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:15,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277105262] [2022-07-13 19:12:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:15,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:15,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:15,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277105262] [2022-07-13 19:12:15,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277105262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:15,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:15,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693798249] [2022-07-13 19:12:15,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:15,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:15,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:15,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:15,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:15,217 INFO L87 Difference]: Start difference. First operand 1556 states and 2172 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:17,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:17,188 INFO L93 Difference]: Finished difference Result 2907 states and 4110 transitions. [2022-07-13 19:12:17,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:17,189 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:17,192 INFO L225 Difference]: With dead ends: 2907 [2022-07-13 19:12:17,192 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:17,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:17,193 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 5163 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 4921 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:17,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5163 Valid, 4921 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:17,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:17,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4217419777341191) internal successors, (2171), 1555 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2171 transitions. [2022-07-13 19:12:17,381 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2171 transitions. Word has length 110 [2022-07-13 19:12:17,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:17,381 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2171 transitions. [2022-07-13 19:12:17,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:17,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2171 transitions. [2022-07-13 19:12:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:17,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:17,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:17,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-13 19:12:17,383 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:17,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:17,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1543383125, now seen corresponding path program 1 times [2022-07-13 19:12:17,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:17,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886285028] [2022-07-13 19:12:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:17,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:17,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:17,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886285028] [2022-07-13 19:12:17,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886285028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:17,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:17,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:17,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147472987] [2022-07-13 19:12:17,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:17,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:17,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:17,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:17,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:17,479 INFO L87 Difference]: Start difference. First operand 1556 states and 2171 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:19,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:19,493 INFO L93 Difference]: Finished difference Result 2970 states and 4195 transitions. [2022-07-13 19:12:19,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:19,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:19,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:19,496 INFO L225 Difference]: With dead ends: 2970 [2022-07-13 19:12:19,497 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:12:19,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:19,498 INFO L413 NwaCegarLoop]: 1304 mSDtfsCounter, 4208 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 4342 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4208 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 4342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:19,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4208 Valid, 5295 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 4342 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:19,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:12:19,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1556. [2022-07-13 19:12:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.421087098886706) internal successors, (2170), 1555 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2170 transitions. [2022-07-13 19:12:19,689 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2170 transitions. Word has length 110 [2022-07-13 19:12:19,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:19,689 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2170 transitions. [2022-07-13 19:12:19,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2170 transitions. [2022-07-13 19:12:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:19,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:19,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:19,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-13 19:12:19,691 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash -614432406, now seen corresponding path program 1 times [2022-07-13 19:12:19,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:19,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909403715] [2022-07-13 19:12:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:19,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:19,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909403715] [2022-07-13 19:12:19,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909403715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:19,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:19,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:19,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078441237] [2022-07-13 19:12:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:19,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:19,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:19,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:19,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:19,774 INFO L87 Difference]: Start difference. First operand 1556 states and 2170 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:21,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:21,615 INFO L93 Difference]: Finished difference Result 2846 states and 4003 transitions. [2022-07-13 19:12:21,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:21,615 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:21,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:21,618 INFO L225 Difference]: With dead ends: 2846 [2022-07-13 19:12:21,618 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:21,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:21,619 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 5935 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 3291 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5935 SdHoareTripleChecker+Valid, 3830 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 3291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:21,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5935 Valid, 3830 Invalid, 3476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 3291 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:12:21,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:21,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4204322200392927) internal successors, (2169), 1555 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2169 transitions. [2022-07-13 19:12:21,817 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2169 transitions. Word has length 110 [2022-07-13 19:12:21,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:21,817 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2169 transitions. [2022-07-13 19:12:21,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2169 transitions. [2022-07-13 19:12:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:21,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:21,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:21,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-13 19:12:21,819 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:21,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:21,819 INFO L85 PathProgramCache]: Analyzing trace with hash -401140471, now seen corresponding path program 1 times [2022-07-13 19:12:21,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:21,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053705643] [2022-07-13 19:12:21,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:21,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:21,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053705643] [2022-07-13 19:12:21,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053705643] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:21,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:21,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:21,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156607144] [2022-07-13 19:12:21,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:21,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:21,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:21,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:21,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:21,898 INFO L87 Difference]: Start difference. First operand 1556 states and 2169 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:23,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:23,887 INFO L93 Difference]: Finished difference Result 2901 states and 4100 transitions. [2022-07-13 19:12:23,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:23,887 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:23,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:23,890 INFO L225 Difference]: With dead ends: 2901 [2022-07-13 19:12:23,890 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:23,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:23,891 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 4982 mSDsluCounter, 3910 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4982 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 4289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:23,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4982 Valid, 5122 Invalid, 4289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:23,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:24,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4197773411918795) internal successors, (2168), 1555 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2168 transitions. [2022-07-13 19:12:24,093 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2168 transitions. Word has length 110 [2022-07-13 19:12:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:24,094 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2168 transitions. [2022-07-13 19:12:24,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2168 transitions. [2022-07-13 19:12:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:24,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:24,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:24,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-13 19:12:24,096 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:24,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:24,096 INFO L85 PathProgramCache]: Analyzing trace with hash -48350613, now seen corresponding path program 1 times [2022-07-13 19:12:24,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:24,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155979714] [2022-07-13 19:12:24,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:24,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:24,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:24,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155979714] [2022-07-13 19:12:24,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155979714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:24,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:24,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:24,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126469080] [2022-07-13 19:12:24,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:24,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:24,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:24,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:24,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:24,179 INFO L87 Difference]: Start difference. First operand 1556 states and 2168 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:26,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:26,037 INFO L93 Difference]: Finished difference Result 2846 states and 3999 transitions. [2022-07-13 19:12:26,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:26,037 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:26,040 INFO L225 Difference]: With dead ends: 2846 [2022-07-13 19:12:26,040 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:26,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:26,041 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 5871 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5871 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 3515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:26,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5871 Valid, 3892 Invalid, 3515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:12:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:26,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4191224623444663) internal successors, (2167), 1555 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2167 transitions. [2022-07-13 19:12:26,246 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2167 transitions. Word has length 110 [2022-07-13 19:12:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:26,246 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2167 transitions. [2022-07-13 19:12:26,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2167 transitions. [2022-07-13 19:12:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:26,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:26,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:26,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-13 19:12:26,248 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:26,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:26,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1179488479, now seen corresponding path program 1 times [2022-07-13 19:12:26,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:26,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278212957] [2022-07-13 19:12:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:26,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:26,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278212957] [2022-07-13 19:12:26,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278212957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:26,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:26,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:26,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278126381] [2022-07-13 19:12:26,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:26,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:26,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:26,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:26,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:26,335 INFO L87 Difference]: Start difference. First operand 1556 states and 2167 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:28,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:28,395 INFO L93 Difference]: Finished difference Result 2902 states and 4098 transitions. [2022-07-13 19:12:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:28,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:28,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:28,398 INFO L225 Difference]: With dead ends: 2902 [2022-07-13 19:12:28,398 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:28,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:28,399 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 4782 mSDsluCounter, 4062 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 4462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:28,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4782 Valid, 5325 Invalid, 4462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:28,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:28,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.418467583497053) internal successors, (2166), 1555 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2166 transitions. [2022-07-13 19:12:28,607 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2166 transitions. Word has length 110 [2022-07-13 19:12:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:28,607 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2166 transitions. [2022-07-13 19:12:28,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2166 transitions. [2022-07-13 19:12:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 19:12:28,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:28,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:28,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-13 19:12:28,609 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:28,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:28,609 INFO L85 PathProgramCache]: Analyzing trace with hash 420514163, now seen corresponding path program 1 times [2022-07-13 19:12:28,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:28,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226874881] [2022-07-13 19:12:28,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:28,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:28,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:28,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:28,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226874881] [2022-07-13 19:12:28,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226874881] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:28,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:28,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:28,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503780524] [2022-07-13 19:12:28,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:28,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:28,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:28,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:28,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:28,695 INFO L87 Difference]: Start difference. First operand 1556 states and 2166 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:30,748 INFO L93 Difference]: Finished difference Result 2902 states and 4097 transitions. [2022-07-13 19:12:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:30,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-13 19:12:30,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:30,751 INFO L225 Difference]: With dead ends: 2902 [2022-07-13 19:12:30,751 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:30,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:30,752 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 3321 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4331 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:30,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 5278 Invalid, 4388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4331 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:30,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4178127046496398) internal successors, (2165), 1555 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2165 transitions. [2022-07-13 19:12:30,962 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2165 transitions. Word has length 110 [2022-07-13 19:12:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:30,962 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2165 transitions. [2022-07-13 19:12:30,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2165 transitions. [2022-07-13 19:12:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-13 19:12:30,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:30,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:30,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-13 19:12:30,964 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:30,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:30,965 INFO L85 PathProgramCache]: Analyzing trace with hash -853036038, now seen corresponding path program 1 times [2022-07-13 19:12:30,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:30,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490767024] [2022-07-13 19:12:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:30,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:31,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:31,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490767024] [2022-07-13 19:12:31,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490767024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:31,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:31,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:31,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799095818] [2022-07-13 19:12:31,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:31,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:31,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:31,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:31,052 INFO L87 Difference]: Start difference. First operand 1556 states and 2165 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:33,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:33,101 INFO L93 Difference]: Finished difference Result 2900 states and 4093 transitions. [2022-07-13 19:12:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:33,101 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-13 19:12:33,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:33,103 INFO L225 Difference]: With dead ends: 2900 [2022-07-13 19:12:33,103 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:33,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:33,104 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 5006 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 4248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:33,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 5103 Invalid, 4248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4162 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:33,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:33,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4171578258022266) internal successors, (2164), 1555 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2164 transitions. [2022-07-13 19:12:33,320 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2164 transitions. Word has length 111 [2022-07-13 19:12:33,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:33,320 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2164 transitions. [2022-07-13 19:12:33,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2164 transitions. [2022-07-13 19:12:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:33,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:33,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:33,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-13 19:12:33,322 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:33,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:33,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1535060563, now seen corresponding path program 1 times [2022-07-13 19:12:33,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:33,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334871220] [2022-07-13 19:12:33,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:33,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:33,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:33,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:33,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334871220] [2022-07-13 19:12:33,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334871220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:33,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:33,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:33,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776760885] [2022-07-13 19:12:33,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:33,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:33,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:33,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:33,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:33,425 INFO L87 Difference]: Start difference. First operand 1556 states and 2164 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:35,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:35,584 INFO L93 Difference]: Finished difference Result 2852 states and 4003 transitions. [2022-07-13 19:12:35,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:35,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:35,587 INFO L225 Difference]: With dead ends: 2852 [2022-07-13 19:12:35,587 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:35,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:35,588 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 6581 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6581 SdHoareTripleChecker+Valid, 5009 SdHoareTripleChecker+Invalid, 4401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:35,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6581 Valid, 5009 Invalid, 4401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:35,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4158480681074002) internal successors, (2162), 1555 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2162 transitions. [2022-07-13 19:12:35,829 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2162 transitions. Word has length 112 [2022-07-13 19:12:35,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:35,830 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2162 transitions. [2022-07-13 19:12:35,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2162 transitions. [2022-07-13 19:12:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:35,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:35,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:35,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-13 19:12:35,832 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:35,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:35,832 INFO L85 PathProgramCache]: Analyzing trace with hash 406857105, now seen corresponding path program 1 times [2022-07-13 19:12:35,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:35,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28214403] [2022-07-13 19:12:35,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:35,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:35,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28214403] [2022-07-13 19:12:35,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28214403] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:35,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:35,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:35,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582844237] [2022-07-13 19:12:35,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:35,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:35,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:35,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:35,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:35,945 INFO L87 Difference]: Start difference. First operand 1556 states and 2162 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:38,063 INFO L93 Difference]: Finished difference Result 2926 states and 4117 transitions. [2022-07-13 19:12:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:38,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:38,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:38,066 INFO L225 Difference]: With dead ends: 2926 [2022-07-13 19:12:38,066 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:38,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:38,067 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5641 mSDsluCounter, 3984 mSDsCounter, 0 mSdLazyCounter, 4303 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5641 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 4406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 4303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:38,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5641 Valid, 5264 Invalid, 4406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 4303 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:38,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4145383104125737) internal successors, (2160), 1555 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2160 transitions. [2022-07-13 19:12:38,314 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2160 transitions. Word has length 112 [2022-07-13 19:12:38,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:38,314 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2160 transitions. [2022-07-13 19:12:38,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2160 transitions. [2022-07-13 19:12:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:38,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:38,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:38,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-13 19:12:38,316 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:38,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:38,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1318158620, now seen corresponding path program 1 times [2022-07-13 19:12:38,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:38,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715015739] [2022-07-13 19:12:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:38,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:38,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:38,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:38,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715015739] [2022-07-13 19:12:38,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715015739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:38,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:38,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:38,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968903416] [2022-07-13 19:12:38,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:38,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:38,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:38,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:38,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:38,403 INFO L87 Difference]: Start difference. First operand 1556 states and 2160 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:40,415 INFO L93 Difference]: Finished difference Result 2926 states and 4116 transitions. [2022-07-13 19:12:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:40,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:40,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:40,419 INFO L225 Difference]: With dead ends: 2926 [2022-07-13 19:12:40,419 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:40,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:40,420 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 3528 mSDsluCounter, 3859 mSDsCounter, 0 mSdLazyCounter, 4055 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 5020 SdHoareTripleChecker+Invalid, 4114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:40,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 5020 Invalid, 4114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4055 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:40,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4132285527177473) internal successors, (2158), 1555 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2158 transitions. [2022-07-13 19:12:40,669 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2158 transitions. Word has length 112 [2022-07-13 19:12:40,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:40,669 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2158 transitions. [2022-07-13 19:12:40,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2158 transitions. [2022-07-13 19:12:40,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:40,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:40,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:40,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-13 19:12:40,671 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:40,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:40,672 INFO L85 PathProgramCache]: Analyzing trace with hash -599958592, now seen corresponding path program 1 times [2022-07-13 19:12:40,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:40,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103766115] [2022-07-13 19:12:40,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:40,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:40,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:40,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:40,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103766115] [2022-07-13 19:12:40,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103766115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:40,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:40,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:40,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133898955] [2022-07-13 19:12:40,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:40,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:40,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:40,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:40,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:40,766 INFO L87 Difference]: Start difference. First operand 1556 states and 2158 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:43,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:43,018 INFO L93 Difference]: Finished difference Result 2850 states and 3996 transitions. [2022-07-13 19:12:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:43,021 INFO L225 Difference]: With dead ends: 2850 [2022-07-13 19:12:43,021 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:43,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:43,022 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 6492 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6492 SdHoareTripleChecker+Valid, 5176 SdHoareTripleChecker+Invalid, 4512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:43,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6492 Valid, 5176 Invalid, 4512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:43,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4119187950229208) internal successors, (2156), 1555 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:43,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2156 transitions. [2022-07-13 19:12:43,258 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2156 transitions. Word has length 112 [2022-07-13 19:12:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:43,259 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2156 transitions. [2022-07-13 19:12:43,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2156 transitions. [2022-07-13 19:12:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:43,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:43,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:43,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-13 19:12:43,261 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:43,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:43,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1149374714, now seen corresponding path program 1 times [2022-07-13 19:12:43,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:43,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593473496] [2022-07-13 19:12:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:43,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:43,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593473496] [2022-07-13 19:12:43,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593473496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:43,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:43,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:43,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438479416] [2022-07-13 19:12:43,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:43,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:43,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:43,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:43,339 INFO L87 Difference]: Start difference. First operand 1556 states and 2156 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:45,360 INFO L93 Difference]: Finished difference Result 2852 states and 3995 transitions. [2022-07-13 19:12:45,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:45,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:45,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:45,372 INFO L225 Difference]: With dead ends: 2852 [2022-07-13 19:12:45,373 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:45,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:45,374 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 3607 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 3756 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3607 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 3868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:45,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3607 Valid, 4409 Invalid, 3868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3756 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:12:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4106090373280944) internal successors, (2154), 1555 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2154 transitions. [2022-07-13 19:12:45,619 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2154 transitions. Word has length 112 [2022-07-13 19:12:45,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:45,619 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2154 transitions. [2022-07-13 19:12:45,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2154 transitions. [2022-07-13 19:12:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:45,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:45,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:45,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-13 19:12:45,621 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:45,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1717218169, now seen corresponding path program 1 times [2022-07-13 19:12:45,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:45,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684859779] [2022-07-13 19:12:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:45,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:45,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684859779] [2022-07-13 19:12:45,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684859779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:45,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:45,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:45,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279041492] [2022-07-13 19:12:45,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:45,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:45,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:45,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:45,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:45,704 INFO L87 Difference]: Start difference. First operand 1556 states and 2154 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:47,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:47,748 INFO L93 Difference]: Finished difference Result 2850 states and 3990 transitions. [2022-07-13 19:12:47,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:47,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:47,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:47,751 INFO L225 Difference]: With dead ends: 2850 [2022-07-13 19:12:47,751 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:47,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:47,752 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 5299 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5299 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:47,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5299 Valid, 4432 Invalid, 3949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 3779 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:47,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.409299279633268) internal successors, (2152), 1555 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2152 transitions. [2022-07-13 19:12:47,995 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2152 transitions. Word has length 112 [2022-07-13 19:12:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:47,995 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2152 transitions. [2022-07-13 19:12:47,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2152 transitions. [2022-07-13 19:12:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:47,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:47,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:47,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-13 19:12:47,997 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 608776498, now seen corresponding path program 1 times [2022-07-13 19:12:47,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:47,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141271339] [2022-07-13 19:12:47,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:47,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:48,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141271339] [2022-07-13 19:12:48,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141271339] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:48,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:48,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:48,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103605491] [2022-07-13 19:12:48,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:48,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:48,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:48,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:48,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:48,075 INFO L87 Difference]: Start difference. First operand 1556 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:50,125 INFO L93 Difference]: Finished difference Result 2850 states and 3988 transitions. [2022-07-13 19:12:50,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:50,128 INFO L225 Difference]: With dead ends: 2850 [2022-07-13 19:12:50,128 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:50,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:50,129 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 7136 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 3745 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7136 SdHoareTripleChecker+Valid, 4415 SdHoareTripleChecker+Invalid, 3974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 3745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:50,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7136 Valid, 4415 Invalid, 3974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 3745 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:12:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:50,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4079895219384413) internal successors, (2150), 1555 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2150 transitions. [2022-07-13 19:12:50,377 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2150 transitions. Word has length 112 [2022-07-13 19:12:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:50,378 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2150 transitions. [2022-07-13 19:12:50,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2150 transitions. [2022-07-13 19:12:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:50,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:50,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:50,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-13 19:12:50,380 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:50,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:50,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2052108505, now seen corresponding path program 1 times [2022-07-13 19:12:50,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:50,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938846777] [2022-07-13 19:12:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:50,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:50,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:50,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938846777] [2022-07-13 19:12:50,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938846777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:50,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:50,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:50,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288243238] [2022-07-13 19:12:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:50,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:50,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:50,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:50,465 INFO L87 Difference]: Start difference. First operand 1556 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:52,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:52,682 INFO L93 Difference]: Finished difference Result 2938 states and 4118 transitions. [2022-07-13 19:12:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:52,685 INFO L225 Difference]: With dead ends: 2938 [2022-07-13 19:12:52,685 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:52,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:52,686 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 3528 mSDsluCounter, 3849 mSDsCounter, 0 mSdLazyCounter, 4024 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:52,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 5014 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4024 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:12:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4066797642436148) internal successors, (2148), 1555 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2148 transitions. [2022-07-13 19:12:52,940 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2148 transitions. Word has length 112 [2022-07-13 19:12:52,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:52,940 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2148 transitions. [2022-07-13 19:12:52,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2148 transitions. [2022-07-13 19:12:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:52,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:52,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:52,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-13 19:12:52,941 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:52,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:52,942 INFO L85 PathProgramCache]: Analyzing trace with hash -288079998, now seen corresponding path program 1 times [2022-07-13 19:12:52,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:52,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314267351] [2022-07-13 19:12:52,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:52,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:53,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:53,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314267351] [2022-07-13 19:12:53,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314267351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:53,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:53,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:53,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680341979] [2022-07-13 19:12:53,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:53,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:53,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:53,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:53,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:53,041 INFO L87 Difference]: Start difference. First operand 1556 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:55,391 INFO L93 Difference]: Finished difference Result 2856 states and 3989 transitions. [2022-07-13 19:12:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:55,391 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:55,394 INFO L225 Difference]: With dead ends: 2856 [2022-07-13 19:12:55,394 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:12:55,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:55,395 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 6433 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 5275 SdHoareTripleChecker+Invalid, 4541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:55,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6433 Valid, 5275 Invalid, 4541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:12:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:12:55,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:12:55,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4053700065487884) internal successors, (2146), 1555 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2146 transitions. [2022-07-13 19:12:55,652 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2146 transitions. Word has length 112 [2022-07-13 19:12:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:55,652 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2146 transitions. [2022-07-13 19:12:55,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:55,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2146 transitions. [2022-07-13 19:12:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:55,653 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:55,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:55,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-13 19:12:55,654 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:55,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:55,654 INFO L85 PathProgramCache]: Analyzing trace with hash 497655822, now seen corresponding path program 1 times [2022-07-13 19:12:55,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:55,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716357559] [2022-07-13 19:12:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:55,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:55,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:55,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716357559] [2022-07-13 19:12:55,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716357559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:55,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:55,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:55,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534022478] [2022-07-13 19:12:55,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:55,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:55,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:55,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:55,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:55,733 INFO L87 Difference]: Start difference. First operand 1556 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:12:57,869 INFO L93 Difference]: Finished difference Result 2938 states and 4114 transitions. [2022-07-13 19:12:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:12:57,870 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:12:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:12:57,873 INFO L225 Difference]: With dead ends: 2938 [2022-07-13 19:12:57,873 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:12:57,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:12:57,874 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5052 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:12:57,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5052 Valid, 5201 Invalid, 4288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:12:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:12:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:12:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.404060248853962) internal successors, (2144), 1555 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2144 transitions. [2022-07-13 19:12:58,140 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2144 transitions. Word has length 112 [2022-07-13 19:12:58,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:12:58,140 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2144 transitions. [2022-07-13 19:12:58,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:12:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2144 transitions. [2022-07-13 19:12:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:12:58,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:12:58,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:12:58,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-13 19:12:58,142 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:12:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:12:58,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2033282967, now seen corresponding path program 1 times [2022-07-13 19:12:58,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:12:58,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451216454] [2022-07-13 19:12:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:12:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:12:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:12:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:12:58,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:12:58,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451216454] [2022-07-13 19:12:58,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451216454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:12:58,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:12:58,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:12:58,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286234058] [2022-07-13 19:12:58,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:12:58,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:12:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:12:58,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:12:58,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:12:58,229 INFO L87 Difference]: Start difference. First operand 1556 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:00,563 INFO L93 Difference]: Finished difference Result 2856 states and 3985 transitions. [2022-07-13 19:13:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:00,563 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:00,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:00,566 INFO L225 Difference]: With dead ends: 2856 [2022-07-13 19:13:00,566 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:00,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:00,567 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6382 mSDsluCounter, 4327 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6382 SdHoareTripleChecker+Valid, 5379 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:00,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6382 Valid, 5379 Invalid, 4596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4027504911591355) internal successors, (2142), 1555 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2142 transitions. [2022-07-13 19:13:00,833 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2142 transitions. Word has length 112 [2022-07-13 19:13:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:00,833 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2142 transitions. [2022-07-13 19:13:00,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2142 transitions. [2022-07-13 19:13:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:00,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:00,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:00,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-13 19:13:00,834 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash 763145981, now seen corresponding path program 1 times [2022-07-13 19:13:00,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:00,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075943202] [2022-07-13 19:13:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:00,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:00,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:00,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075943202] [2022-07-13 19:13:00,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075943202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:00,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:00,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:00,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354239164] [2022-07-13 19:13:00,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:00,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:00,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:00,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:00,926 INFO L87 Difference]: Start difference. First operand 1556 states and 2142 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:03,325 INFO L93 Difference]: Finished difference Result 2850 states and 3976 transitions. [2022-07-13 19:13:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:03,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:03,328 INFO L225 Difference]: With dead ends: 2850 [2022-07-13 19:13:03,328 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:03,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:03,329 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 6373 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6373 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 4594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:03,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6373 Valid, 5383 Invalid, 4594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:03,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.401440733464309) internal successors, (2140), 1555 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:03,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2140 transitions. [2022-07-13 19:13:03,614 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2140 transitions. Word has length 112 [2022-07-13 19:13:03,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:03,615 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2140 transitions. [2022-07-13 19:13:03,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2140 transitions. [2022-07-13 19:13:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:03,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:03,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:03,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-13 19:13:03,616 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:03,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:03,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2116610630, now seen corresponding path program 1 times [2022-07-13 19:13:03,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:03,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769930846] [2022-07-13 19:13:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:03,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:03,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769930846] [2022-07-13 19:13:03,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769930846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:03,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:03,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865788520] [2022-07-13 19:13:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:03,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:03,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:03,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:03,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:03,702 INFO L87 Difference]: Start difference. First operand 1556 states and 2140 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:05,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:05,894 INFO L93 Difference]: Finished difference Result 2930 states and 4094 transitions. [2022-07-13 19:13:05,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:05,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:05,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:05,898 INFO L225 Difference]: With dead ends: 2930 [2022-07-13 19:13:05,898 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:13:05,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:05,899 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 4748 mSDsluCounter, 4044 mSDsCounter, 0 mSdLazyCounter, 4285 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4748 SdHoareTripleChecker+Valid, 5303 SdHoareTripleChecker+Invalid, 4369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:05,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4748 Valid, 5303 Invalid, 4369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4285 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:05,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:13:06,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:13:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4001309757694826) internal successors, (2138), 1555 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2138 transitions. [2022-07-13 19:13:06,197 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2138 transitions. Word has length 112 [2022-07-13 19:13:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:06,197 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2138 transitions. [2022-07-13 19:13:06,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2138 transitions. [2022-07-13 19:13:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:06,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:06,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:06,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-13 19:13:06,199 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:06,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:06,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1566983834, now seen corresponding path program 1 times [2022-07-13 19:13:06,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:06,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68758524] [2022-07-13 19:13:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:06,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:06,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68758524] [2022-07-13 19:13:06,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68758524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:06,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:06,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:06,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418406272] [2022-07-13 19:13:06,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:06,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:06,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:06,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:06,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:06,280 INFO L87 Difference]: Start difference. First operand 1556 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:08,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:08,556 INFO L93 Difference]: Finished difference Result 2916 states and 4069 transitions. [2022-07-13 19:13:08,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:08,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:08,559 INFO L225 Difference]: With dead ends: 2916 [2022-07-13 19:13:08,559 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:13:08,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:08,560 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 5038 mSDsluCounter, 3921 mSDsCounter, 0 mSdLazyCounter, 4177 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5038 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:08,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5038 Valid, 5201 Invalid, 4263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4177 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:08,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:13:08,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:13:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3994760969220694) internal successors, (2137), 1555 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2137 transitions. [2022-07-13 19:13:08,838 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2137 transitions. Word has length 112 [2022-07-13 19:13:08,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:08,839 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2137 transitions. [2022-07-13 19:13:08,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2137 transitions. [2022-07-13 19:13:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:08,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:08,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:08,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-13 19:13:08,840 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:08,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1792635559, now seen corresponding path program 1 times [2022-07-13 19:13:08,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:08,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221822645] [2022-07-13 19:13:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:08,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:08,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:08,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221822645] [2022-07-13 19:13:08,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221822645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:08,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:08,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:08,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352412935] [2022-07-13 19:13:08,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:08,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:08,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:08,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:08,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:08,917 INFO L87 Difference]: Start difference. First operand 1556 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:11,091 INFO L93 Difference]: Finished difference Result 2846 states and 3964 transitions. [2022-07-13 19:13:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:11,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:11,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:11,094 INFO L225 Difference]: With dead ends: 2846 [2022-07-13 19:13:11,094 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:11,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:11,095 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 3456 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3456 SdHoareTripleChecker+Valid, 4799 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:11,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3456 Valid, 4799 Invalid, 4090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:11,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:11,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3988212180746562) internal successors, (2136), 1555 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2136 transitions. [2022-07-13 19:13:11,385 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2136 transitions. Word has length 112 [2022-07-13 19:13:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:11,385 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2136 transitions. [2022-07-13 19:13:11,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2136 transitions. [2022-07-13 19:13:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:11,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:11,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:11,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-13 19:13:11,386 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:11,387 INFO L85 PathProgramCache]: Analyzing trace with hash -433532306, now seen corresponding path program 1 times [2022-07-13 19:13:11,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:11,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630658903] [2022-07-13 19:13:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:11,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:11,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630658903] [2022-07-13 19:13:11,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630658903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:11,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:11,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:11,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648447349] [2022-07-13 19:13:11,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:11,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:11,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:11,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:11,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:11,463 INFO L87 Difference]: Start difference. First operand 1556 states and 2136 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:13,678 INFO L93 Difference]: Finished difference Result 2846 states and 3963 transitions. [2022-07-13 19:13:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:13,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:13,682 INFO L225 Difference]: With dead ends: 2846 [2022-07-13 19:13:13,682 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:13,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:13,683 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 3423 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 3952 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 4060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:13,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 4793 Invalid, 4060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3952 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:13,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.398166339227243) internal successors, (2135), 1555 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2135 transitions. [2022-07-13 19:13:13,974 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2135 transitions. Word has length 112 [2022-07-13 19:13:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:13,974 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2135 transitions. [2022-07-13 19:13:13,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2135 transitions. [2022-07-13 19:13:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:13,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:13,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:13,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-13 19:13:13,976 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:13,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:13,976 INFO L85 PathProgramCache]: Analyzing trace with hash 161225916, now seen corresponding path program 1 times [2022-07-13 19:13:13,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:13,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790736276] [2022-07-13 19:13:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:14,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:14,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790736276] [2022-07-13 19:13:14,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790736276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:14,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:14,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:14,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661369195] [2022-07-13 19:13:14,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:14,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:14,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:14,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:14,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:14,066 INFO L87 Difference]: Start difference. First operand 1556 states and 2135 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:16,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:16,541 INFO L93 Difference]: Finished difference Result 2842 states and 3957 transitions. [2022-07-13 19:13:16,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:16,542 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:16,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:16,545 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:16,545 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:16,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:16,546 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 6276 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 4506 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6276 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 4685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:16,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6276 Valid, 5563 Invalid, 4685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4506 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:16,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3975114603798298) internal successors, (2134), 1555 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2134 transitions. [2022-07-13 19:13:16,856 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2134 transitions. Word has length 112 [2022-07-13 19:13:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:16,857 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2134 transitions. [2022-07-13 19:13:16,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2134 transitions. [2022-07-13 19:13:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:16,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:16,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:16,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-13 19:13:16,858 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:16,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:16,859 INFO L85 PathProgramCache]: Analyzing trace with hash -898327691, now seen corresponding path program 1 times [2022-07-13 19:13:16,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:16,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485519733] [2022-07-13 19:13:16,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:16,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:16,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485519733] [2022-07-13 19:13:16,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485519733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:16,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:16,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:16,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571513135] [2022-07-13 19:13:16,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:16,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:16,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:16,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:16,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:16,952 INFO L87 Difference]: Start difference. First operand 1556 states and 2134 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:19,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:19,444 INFO L93 Difference]: Finished difference Result 2842 states and 3956 transitions. [2022-07-13 19:13:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:19,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:19,447 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:19,447 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:19,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:19,449 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 6272 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 4502 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6272 SdHoareTripleChecker+Valid, 5563 SdHoareTripleChecker+Invalid, 4681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:19,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6272 Valid, 5563 Invalid, 4681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4502 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3968565815324165) internal successors, (2133), 1555 states have internal predecessors, (2133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2133 transitions. [2022-07-13 19:13:19,769 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2133 transitions. Word has length 112 [2022-07-13 19:13:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:19,769 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2133 transitions. [2022-07-13 19:13:19,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:19,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2133 transitions. [2022-07-13 19:13:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:19,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:19,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:19,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-13 19:13:19,771 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:19,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2106646961, now seen corresponding path program 1 times [2022-07-13 19:13:19,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:19,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87574165] [2022-07-13 19:13:19,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:19,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:19,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:19,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87574165] [2022-07-13 19:13:19,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87574165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:19,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:19,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:19,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983926289] [2022-07-13 19:13:19,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:19,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:19,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:19,849 INFO L87 Difference]: Start difference. First operand 1556 states and 2133 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:22,168 INFO L93 Difference]: Finished difference Result 2907 states and 4052 transitions. [2022-07-13 19:13:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:22,171 INFO L225 Difference]: With dead ends: 2907 [2022-07-13 19:13:22,171 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:13:22,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:22,172 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 4793 mSDsluCounter, 3998 mSDsCounter, 0 mSdLazyCounter, 4204 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 5278 SdHoareTripleChecker+Invalid, 4289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:22,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 5278 Invalid, 4289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4204 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:13:22,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:13:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:13:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3962017026850033) internal successors, (2132), 1555 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2132 transitions. [2022-07-13 19:13:22,474 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2132 transitions. Word has length 112 [2022-07-13 19:13:22,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:22,474 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2132 transitions. [2022-07-13 19:13:22,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2132 transitions. [2022-07-13 19:13:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:22,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:22,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:22,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-13 19:13:22,476 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:22,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash -386581842, now seen corresponding path program 1 times [2022-07-13 19:13:22,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:22,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841798367] [2022-07-13 19:13:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:22,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:22,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841798367] [2022-07-13 19:13:22,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841798367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:22,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:22,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:22,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749625482] [2022-07-13 19:13:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:22,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:22,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:22,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:22,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:22,552 INFO L87 Difference]: Start difference. First operand 1556 states and 2132 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:24,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:24,854 INFO L93 Difference]: Finished difference Result 2842 states and 3954 transitions. [2022-07-13 19:13:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:24,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:24,857 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:24,857 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:24,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:24,858 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 3377 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 3990 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 4877 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:24,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 4877 Invalid, 4097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3990 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:25,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.39554682383759) internal successors, (2131), 1555 states have internal predecessors, (2131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2131 transitions. [2022-07-13 19:13:25,170 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2131 transitions. Word has length 112 [2022-07-13 19:13:25,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:25,171 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2131 transitions. [2022-07-13 19:13:25,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2131 transitions. [2022-07-13 19:13:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:25,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:25,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:25,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-13 19:13:25,172 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:25,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash 731901040, now seen corresponding path program 1 times [2022-07-13 19:13:25,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:25,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010053810] [2022-07-13 19:13:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:25,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010053810] [2022-07-13 19:13:25,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010053810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:25,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:25,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874522795] [2022-07-13 19:13:25,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:25,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:25,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:25,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:25,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:25,255 INFO L87 Difference]: Start difference. First operand 1556 states and 2131 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:27,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:27,531 INFO L93 Difference]: Finished difference Result 2907 states and 4048 transitions. [2022-07-13 19:13:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:27,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:27,535 INFO L225 Difference]: With dead ends: 2907 [2022-07-13 19:13:27,535 INFO L226 Difference]: Without dead ends: 2716 [2022-07-13 19:13:27,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:27,535 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 3382 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 4131 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 5225 SdHoareTripleChecker+Invalid, 4189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 4131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:27,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 5225 Invalid, 4189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 4131 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:27,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-13 19:13:27,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1556. [2022-07-13 19:13:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3948919449901769) internal successors, (2130), 1555 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2130 transitions. [2022-07-13 19:13:27,862 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2130 transitions. Word has length 112 [2022-07-13 19:13:27,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:27,862 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2130 transitions. [2022-07-13 19:13:27,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2130 transitions. [2022-07-13 19:13:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:27,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:27,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:27,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-13 19:13:27,864 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:27,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash 699413483, now seen corresponding path program 1 times [2022-07-13 19:13:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:27,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657156350] [2022-07-13 19:13:27,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:27,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657156350] [2022-07-13 19:13:27,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657156350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:27,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:27,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:27,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583275942] [2022-07-13 19:13:27,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:27,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:27,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:27,966 INFO L87 Difference]: Start difference. First operand 1556 states and 2130 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:30,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:30,555 INFO L93 Difference]: Finished difference Result 2842 states and 3951 transitions. [2022-07-13 19:13:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:30,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:30,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:30,557 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:30,557 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:30,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:30,559 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 6093 mSDsluCounter, 4738 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 4943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:30,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 5926 Invalid, 4943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 19:13:30,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3942370661427637) internal successors, (2129), 1555 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:30,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2129 transitions. [2022-07-13 19:13:30,877 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2129 transitions. Word has length 112 [2022-07-13 19:13:30,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:30,877 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2129 transitions. [2022-07-13 19:13:30,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:30,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2129 transitions. [2022-07-13 19:13:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:30,878 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:30,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:30,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-07-13 19:13:30,879 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:30,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:30,879 INFO L85 PathProgramCache]: Analyzing trace with hash -70692188, now seen corresponding path program 1 times [2022-07-13 19:13:30,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:30,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625058404] [2022-07-13 19:13:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:30,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:30,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625058404] [2022-07-13 19:13:30,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625058404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:30,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:30,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:30,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910678721] [2022-07-13 19:13:30,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:30,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:30,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:30,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:30,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:30,964 INFO L87 Difference]: Start difference. First operand 1556 states and 2129 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:33,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:33,344 INFO L93 Difference]: Finished difference Result 2842 states and 3950 transitions. [2022-07-13 19:13:33,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:33,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:33,347 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:33,347 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:33,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:33,348 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 4678 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 4219 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 4375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 4219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:33,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 5149 Invalid, 4375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 4219 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:13:33,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:33,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3935821872953504) internal successors, (2128), 1555 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:33,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2128 transitions. [2022-07-13 19:13:33,671 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2128 transitions. Word has length 112 [2022-07-13 19:13:33,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:33,671 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2128 transitions. [2022-07-13 19:13:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2128 transitions. [2022-07-13 19:13:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-13 19:13:33,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:33,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:33,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-07-13 19:13:33,673 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:33,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:33,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1966983208, now seen corresponding path program 1 times [2022-07-13 19:13:33,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:33,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757035084] [2022-07-13 19:13:33,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:33,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:33,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:33,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757035084] [2022-07-13 19:13:33,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757035084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:33,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:33,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:33,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963432556] [2022-07-13 19:13:33,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:33,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:33,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:33,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:33,755 INFO L87 Difference]: Start difference. First operand 1556 states and 2128 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:36,090 INFO L93 Difference]: Finished difference Result 2842 states and 3948 transitions. [2022-07-13 19:13:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:36,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-13 19:13:36,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:36,093 INFO L225 Difference]: With dead ends: 2842 [2022-07-13 19:13:36,093 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:36,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:36,095 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 4868 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 4021 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4868 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 4021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:36,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4868 Valid, 4947 Invalid, 4180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 4021 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:36,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:36,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3929273084479372) internal successors, (2127), 1555 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:36,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2127 transitions. [2022-07-13 19:13:36,440 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2127 transitions. Word has length 112 [2022-07-13 19:13:36,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:36,440 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2127 transitions. [2022-07-13 19:13:36,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2127 transitions. [2022-07-13 19:13:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:36,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:36,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:36,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-07-13 19:13:36,442 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:36,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:36,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1604204881, now seen corresponding path program 1 times [2022-07-13 19:13:36,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:36,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500884461] [2022-07-13 19:13:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:36,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:36,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:36,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500884461] [2022-07-13 19:13:36,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500884461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:36,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:36,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4065937] [2022-07-13 19:13:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:36,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:36,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:36,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:36,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:36,531 INFO L87 Difference]: Start difference. First operand 1556 states and 2127 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:39,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:39,119 INFO L93 Difference]: Finished difference Result 2848 states and 3955 transitions. [2022-07-13 19:13:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:39,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:39,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:39,122 INFO L225 Difference]: With dead ends: 2848 [2022-07-13 19:13:39,122 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:39,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:39,123 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6177 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4569 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6177 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:39,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6177 Valid, 5708 Invalid, 4746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4569 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:39,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:39,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3916175507531108) internal successors, (2125), 1555 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2125 transitions. [2022-07-13 19:13:39,451 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2125 transitions. Word has length 113 [2022-07-13 19:13:39,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:39,451 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2125 transitions. [2022-07-13 19:13:39,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:39,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2125 transitions. [2022-07-13 19:13:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:39,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:39,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:39,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-07-13 19:13:39,453 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:39,454 INFO L85 PathProgramCache]: Analyzing trace with hash -445136554, now seen corresponding path program 1 times [2022-07-13 19:13:39,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:39,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442916863] [2022-07-13 19:13:39,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:39,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:39,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:39,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442916863] [2022-07-13 19:13:39,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442916863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:39,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:39,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:39,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889652851] [2022-07-13 19:13:39,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:39,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:39,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:39,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:39,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:39,551 INFO L87 Difference]: Start difference. First operand 1556 states and 2125 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:42,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:42,139 INFO L93 Difference]: Finished difference Result 2840 states and 3942 transitions. [2022-07-13 19:13:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:42,140 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:42,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:42,142 INFO L225 Difference]: With dead ends: 2840 [2022-07-13 19:13:42,142 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:42,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:42,143 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6172 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4566 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:42,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6172 Valid, 5708 Invalid, 4743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4566 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:42,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:42,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3909626719056976) internal successors, (2124), 1555 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2124 transitions. [2022-07-13 19:13:42,475 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2124 transitions. Word has length 113 [2022-07-13 19:13:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:42,475 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2124 transitions. [2022-07-13 19:13:42,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2124 transitions. [2022-07-13 19:13:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:42,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:42,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:42,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-07-13 19:13:42,477 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:42,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1804423120, now seen corresponding path program 1 times [2022-07-13 19:13:42,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:42,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485164982] [2022-07-13 19:13:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:42,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:42,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:42,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485164982] [2022-07-13 19:13:42,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485164982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:42,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:42,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:42,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181411065] [2022-07-13 19:13:42,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:42,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:42,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:42,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:42,563 INFO L87 Difference]: Start difference. First operand 1556 states and 2124 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:45,153 INFO L93 Difference]: Finished difference Result 2841 states and 3942 transitions. [2022-07-13 19:13:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:45,154 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:45,157 INFO L225 Difference]: With dead ends: 2841 [2022-07-13 19:13:45,157 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:45,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:45,158 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6169 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 4561 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:45,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 5708 Invalid, 4738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4561 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:45,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3903077930582841) internal successors, (2123), 1555 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2123 transitions. [2022-07-13 19:13:45,511 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2123 transitions. Word has length 113 [2022-07-13 19:13:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:45,511 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2123 transitions. [2022-07-13 19:13:45,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2123 transitions. [2022-07-13 19:13:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:45,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:45,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:45,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-07-13 19:13:45,513 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:45,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:45,513 INFO L85 PathProgramCache]: Analyzing trace with hash 594542364, now seen corresponding path program 1 times [2022-07-13 19:13:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:45,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927178323] [2022-07-13 19:13:45,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:45,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:45,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927178323] [2022-07-13 19:13:45,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927178323] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:45,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:45,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872961457] [2022-07-13 19:13:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:45,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:45,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:45,597 INFO L87 Difference]: Start difference. First operand 1556 states and 2123 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:48,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:48,254 INFO L93 Difference]: Finished difference Result 2841 states and 3941 transitions. [2022-07-13 19:13:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:48,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:48,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:48,257 INFO L225 Difference]: With dead ends: 2841 [2022-07-13 19:13:48,257 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:48,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:48,257 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 6056 mSDsluCounter, 4774 mSDsCounter, 0 mSdLazyCounter, 4732 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6056 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 4907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 4732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:48,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6056 Valid, 5974 Invalid, 4907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 4732 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 19:13:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:48,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:48,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.389652914210871) internal successors, (2122), 1555 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:48,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2122 transitions. [2022-07-13 19:13:48,596 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2122 transitions. Word has length 113 [2022-07-13 19:13:48,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:48,596 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2122 transitions. [2022-07-13 19:13:48,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2122 transitions. [2022-07-13 19:13:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:48,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:48,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:48,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-07-13 19:13:48,598 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:48,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:48,598 INFO L85 PathProgramCache]: Analyzing trace with hash -586781953, now seen corresponding path program 1 times [2022-07-13 19:13:48,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:48,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859842029] [2022-07-13 19:13:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:48,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:48,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859842029] [2022-07-13 19:13:48,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859842029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:48,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:48,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:48,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243315446] [2022-07-13 19:13:48,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:48,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:48,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:48,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:48,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:48,681 INFO L87 Difference]: Start difference. First operand 1556 states and 2122 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:51,118 INFO L93 Difference]: Finished difference Result 2841 states and 3940 transitions. [2022-07-13 19:13:51,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:51,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:51,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:51,121 INFO L225 Difference]: With dead ends: 2841 [2022-07-13 19:13:51,121 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:51,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:51,122 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 4852 mSDsluCounter, 3746 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4852 SdHoareTripleChecker+Valid, 4947 SdHoareTripleChecker+Invalid, 4159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:51,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4852 Valid, 4947 Invalid, 4159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:51,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3889980353634577) internal successors, (2121), 1555 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2121 transitions. [2022-07-13 19:13:51,478 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2121 transitions. Word has length 113 [2022-07-13 19:13:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:51,478 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2121 transitions. [2022-07-13 19:13:51,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2121 transitions. [2022-07-13 19:13:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-13 19:13:51,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:51,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:51,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-07-13 19:13:51,481 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:51,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:51,482 INFO L85 PathProgramCache]: Analyzing trace with hash -187673128, now seen corresponding path program 1 times [2022-07-13 19:13:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:51,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004905738] [2022-07-13 19:13:51,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:51,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:51,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004905738] [2022-07-13 19:13:51,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004905738] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:51,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:51,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:51,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383831490] [2022-07-13 19:13:51,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:51,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:51,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:51,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:51,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:51,645 INFO L87 Difference]: Start difference. First operand 1556 states and 2121 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:54,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:54,260 INFO L93 Difference]: Finished difference Result 2840 states and 3937 transitions. [2022-07-13 19:13:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:54,260 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-13 19:13:54,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:54,263 INFO L225 Difference]: With dead ends: 2840 [2022-07-13 19:13:54,263 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:54,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:54,263 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 6209 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 4529 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6209 SdHoareTripleChecker+Valid, 5685 SdHoareTripleChecker+Invalid, 4706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:54,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6209 Valid, 5685 Invalid, 4706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4529 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:13:54,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:54,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3883431565160445) internal successors, (2120), 1555 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2120 transitions. [2022-07-13 19:13:54,612 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2120 transitions. Word has length 113 [2022-07-13 19:13:54,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:54,613 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2120 transitions. [2022-07-13 19:13:54,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2120 transitions. [2022-07-13 19:13:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:13:54,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:54,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:54,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-07-13 19:13:54,614 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1576784758, now seen corresponding path program 1 times [2022-07-13 19:13:54,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:54,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931742287] [2022-07-13 19:13:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:54,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:54,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:54,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931742287] [2022-07-13 19:13:54,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931742287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:54,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:54,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:54,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419640744] [2022-07-13 19:13:54,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:54,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:54,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:54,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:54,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:54,689 INFO L87 Difference]: Start difference. First operand 1556 states and 2120 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:57,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:13:57,078 INFO L93 Difference]: Finished difference Result 2685 states and 3695 transitions. [2022-07-13 19:13:57,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:13:57,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:13:57,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:13:57,081 INFO L225 Difference]: With dead ends: 2685 [2022-07-13 19:13:57,081 INFO L226 Difference]: Without dead ends: 2668 [2022-07-13 19:13:57,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:13:57,081 INFO L413 NwaCegarLoop]: 1201 mSDtfsCounter, 4856 mSDsluCounter, 3726 mSDsCounter, 0 mSdLazyCounter, 3981 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4856 SdHoareTripleChecker+Valid, 4927 SdHoareTripleChecker+Invalid, 4140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 3981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:13:57,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4856 Valid, 4927 Invalid, 4140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 3981 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:13:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2022-07-13 19:13:57,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1556. [2022-07-13 19:13:57,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.387033398821218) internal successors, (2118), 1555 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2118 transitions. [2022-07-13 19:13:57,433 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2118 transitions. Word has length 114 [2022-07-13 19:13:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:13:57,433 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2118 transitions. [2022-07-13 19:13:57,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:13:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2118 transitions. [2022-07-13 19:13:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:13:57,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:13:57,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:13:57,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-07-13 19:13:57,435 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:13:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:13:57,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1119709021, now seen corresponding path program 1 times [2022-07-13 19:13:57,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:13:57,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004912531] [2022-07-13 19:13:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:13:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:13:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:13:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:13:57,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:13:57,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004912531] [2022-07-13 19:13:57,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004912531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:13:57,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:13:57,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:13:57,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11779570] [2022-07-13 19:13:57,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:13:57,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:13:57,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:13:57,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:13:57,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:13:57,519 INFO L87 Difference]: Start difference. First operand 1556 states and 2118 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:00,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:00,030 INFO L93 Difference]: Finished difference Result 2584 states and 3535 transitions. [2022-07-13 19:14:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:00,030 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:00,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:00,033 INFO L225 Difference]: With dead ends: 2584 [2022-07-13 19:14:00,033 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:00,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:00,034 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 4951 mSDsluCounter, 3962 mSDsCounter, 0 mSdLazyCounter, 4162 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4951 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 4436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 4162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:00,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4951 Valid, 4964 Invalid, 4436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 4162 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:14:00,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:00,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1556. [2022-07-13 19:14:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.3857236411263916) internal successors, (2116), 1555 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2116 transitions. [2022-07-13 19:14:00,413 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2116 transitions. Word has length 114 [2022-07-13 19:14:00,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:00,413 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2116 transitions. [2022-07-13 19:14:00,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:00,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2116 transitions. [2022-07-13 19:14:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:00,414 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:00,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:00,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-07-13 19:14:00,415 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:00,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:00,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1407290760, now seen corresponding path program 1 times [2022-07-13 19:14:00,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:00,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260352808] [2022-07-13 19:14:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:00,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:00,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:00,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260352808] [2022-07-13 19:14:00,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260352808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:00,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:00,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:00,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122936229] [2022-07-13 19:14:00,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:00,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:00,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:00,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:00,569 INFO L87 Difference]: Start difference. First operand 1556 states and 2116 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:04,545 INFO L93 Difference]: Finished difference Result 3382 states and 4712 transitions. [2022-07-13 19:14:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:04,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:04,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:04,551 INFO L225 Difference]: With dead ends: 3382 [2022-07-13 19:14:04,551 INFO L226 Difference]: Without dead ends: 3377 [2022-07-13 19:14:04,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:04,551 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 8878 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 3973 mSolverCounterSat, 1301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8878 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1301 IncrementalHoareTripleChecker+Valid, 3973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:04,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8878 Valid, 4588 Invalid, 5274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1301 Valid, 3973 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 19:14:04,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2022-07-13 19:14:04,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 1564. [2022-07-13 19:14:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3837133550488598) internal successors, (2124), 1563 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2124 transitions. [2022-07-13 19:14:04,957 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2124 transitions. Word has length 114 [2022-07-13 19:14:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:04,957 INFO L495 AbstractCegarLoop]: Abstraction has 1564 states and 2124 transitions. [2022-07-13 19:14:04,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:04,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2124 transitions. [2022-07-13 19:14:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:04,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:04,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:04,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-07-13 19:14:04,959 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1733258973, now seen corresponding path program 1 times [2022-07-13 19:14:04,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:04,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248540065] [2022-07-13 19:14:04,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:05,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:05,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248540065] [2022-07-13 19:14:05,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248540065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:05,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:05,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:05,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471796807] [2022-07-13 19:14:05,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:05,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:05,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:05,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:05,050 INFO L87 Difference]: Start difference. First operand 1564 states and 2124 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:07,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:07,731 INFO L93 Difference]: Finished difference Result 2749 states and 3781 transitions. [2022-07-13 19:14:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:07,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:07,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:07,734 INFO L225 Difference]: With dead ends: 2749 [2022-07-13 19:14:07,734 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:07,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:07,735 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 4950 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 4147 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4950 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 4421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 4147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:07,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4950 Valid, 4955 Invalid, 4421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 4147 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:14:07,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:08,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1564. [2022-07-13 19:14:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1535 states have (on average 1.3824104234527688) internal successors, (2122), 1563 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2122 transitions. [2022-07-13 19:14:08,152 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2122 transitions. Word has length 114 [2022-07-13 19:14:08,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:08,152 INFO L495 AbstractCegarLoop]: Abstraction has 1564 states and 2122 transitions. [2022-07-13 19:14:08,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2122 transitions. [2022-07-13 19:14:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:08,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:08,154 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:08,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-07-13 19:14:08,154 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:08,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:08,155 INFO L85 PathProgramCache]: Analyzing trace with hash 781002783, now seen corresponding path program 1 times [2022-07-13 19:14:08,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:08,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171461146] [2022-07-13 19:14:08,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:08,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:08,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:08,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171461146] [2022-07-13 19:14:08,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171461146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:08,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:08,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:08,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430162761] [2022-07-13 19:14:08,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:08,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:08,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:08,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:08,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:08,285 INFO L87 Difference]: Start difference. First operand 1564 states and 2122 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:12,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:12,479 INFO L93 Difference]: Finished difference Result 3382 states and 4708 transitions. [2022-07-13 19:14:12,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:12,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:12,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:12,483 INFO L225 Difference]: With dead ends: 3382 [2022-07-13 19:14:12,483 INFO L226 Difference]: Without dead ends: 3377 [2022-07-13 19:14:12,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:12,484 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 10570 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 3960 mSolverCounterSat, 1550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10570 SdHoareTripleChecker+Valid, 4579 SdHoareTripleChecker+Invalid, 5510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1550 IncrementalHoareTripleChecker+Valid, 3960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:12,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10570 Valid, 4579 Invalid, 5510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1550 Valid, 3960 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-13 19:14:12,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2022-07-13 19:14:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 1572. [2022-07-13 19:14:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3804277381723915) internal successors, (2130), 1571 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:12,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2130 transitions. [2022-07-13 19:14:12,898 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2130 transitions. Word has length 114 [2022-07-13 19:14:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2130 transitions. [2022-07-13 19:14:12,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2130 transitions. [2022-07-13 19:14:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:12,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:12,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:12,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-07-13 19:14:12,900 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash -372057349, now seen corresponding path program 1 times [2022-07-13 19:14:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:12,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919463928] [2022-07-13 19:14:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:12,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919463928] [2022-07-13 19:14:12,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919463928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:12,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:12,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:12,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363493717] [2022-07-13 19:14:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:12,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:12,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:12,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:12,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:12,993 INFO L87 Difference]: Start difference. First operand 1572 states and 2130 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:15,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:15,556 INFO L93 Difference]: Finished difference Result 2749 states and 3777 transitions. [2022-07-13 19:14:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:15,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:15,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:15,559 INFO L225 Difference]: With dead ends: 2749 [2022-07-13 19:14:15,559 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:15,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:15,560 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 6151 mSDsluCounter, 3263 mSDsCounter, 0 mSdLazyCounter, 3675 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6151 SdHoareTripleChecker+Valid, 4314 SdHoareTripleChecker+Invalid, 4014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 3675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:15,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6151 Valid, 4314 Invalid, 4014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 3675 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:14:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:15,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1572. [2022-07-13 19:14:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1543 states have (on average 1.3791315618924174) internal successors, (2128), 1571 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2128 transitions. [2022-07-13 19:14:15,990 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2128 transitions. Word has length 114 [2022-07-13 19:14:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:15,990 INFO L495 AbstractCegarLoop]: Abstraction has 1572 states and 2128 transitions. [2022-07-13 19:14:15,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2128 transitions. [2022-07-13 19:14:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:15,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:15,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:15,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-07-13 19:14:15,991 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:15,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1427393861, now seen corresponding path program 1 times [2022-07-13 19:14:15,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:15,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817622479] [2022-07-13 19:14:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:15,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:16,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:16,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817622479] [2022-07-13 19:14:16,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817622479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:16,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:16,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:16,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006878304] [2022-07-13 19:14:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:16,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:16,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:16,132 INFO L87 Difference]: Start difference. First operand 1572 states and 2128 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:20,356 INFO L93 Difference]: Finished difference Result 3546 states and 4954 transitions. [2022-07-13 19:14:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:20,359 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:20,362 INFO L225 Difference]: With dead ends: 3546 [2022-07-13 19:14:20,362 INFO L226 Difference]: Without dead ends: 3376 [2022-07-13 19:14:20,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:20,363 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 10516 mSDsluCounter, 3512 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 1553 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10516 SdHoareTripleChecker+Valid, 4570 SdHoareTripleChecker+Invalid, 5500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1553 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:20,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10516 Valid, 4570 Invalid, 5500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1553 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-13 19:14:20,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-07-13 19:14:20,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 1580. [2022-07-13 19:14:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1551 states have (on average 1.377176015473888) internal successors, (2136), 1579 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 2136 transitions. [2022-07-13 19:14:20,795 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 2136 transitions. Word has length 114 [2022-07-13 19:14:20,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:20,795 INFO L495 AbstractCegarLoop]: Abstraction has 1580 states and 2136 transitions. [2022-07-13 19:14:20,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 2136 transitions. [2022-07-13 19:14:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:20,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:20,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:20,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-07-13 19:14:20,796 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash 125619691, now seen corresponding path program 1 times [2022-07-13 19:14:20,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:20,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517008587] [2022-07-13 19:14:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:20,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:20,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:20,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517008587] [2022-07-13 19:14:20,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517008587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:20,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:20,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:20,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397035260] [2022-07-13 19:14:20,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:20,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:20,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:20,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:20,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:20,926 INFO L87 Difference]: Start difference. First operand 1580 states and 2136 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:25,438 INFO L93 Difference]: Finished difference Result 3382 states and 4702 transitions. [2022-07-13 19:14:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:25,439 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:25,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:25,442 INFO L225 Difference]: With dead ends: 3382 [2022-07-13 19:14:25,442 INFO L226 Difference]: Without dead ends: 3377 [2022-07-13 19:14:25,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:25,443 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 10533 mSDsluCounter, 4111 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 1558 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10533 SdHoareTripleChecker+Valid, 5170 SdHoareTripleChecker+Invalid, 6173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1558 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:25,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10533 Valid, 5170 Invalid, 6173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1558 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 19:14:25,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3377 states. [2022-07-13 19:14:25,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3377 to 1588. [2022-07-13 19:14:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.3752405388069275) internal successors, (2144), 1587 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2144 transitions. [2022-07-13 19:14:25,898 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2144 transitions. Word has length 114 [2022-07-13 19:14:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:25,898 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2144 transitions. [2022-07-13 19:14:25,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2144 transitions. [2022-07-13 19:14:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:25,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:25,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:25,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-07-13 19:14:25,900 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:25,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1024663020, now seen corresponding path program 1 times [2022-07-13 19:14:25,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:25,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719305119] [2022-07-13 19:14:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:25,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:25,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719305119] [2022-07-13 19:14:25,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719305119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:25,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:25,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:25,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813023924] [2022-07-13 19:14:25,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:25,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:25,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:25,989 INFO L87 Difference]: Start difference. First operand 1588 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:28,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:28,714 INFO L93 Difference]: Finished difference Result 2749 states and 3771 transitions. [2022-07-13 19:14:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:28,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:28,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:28,716 INFO L225 Difference]: With dead ends: 2749 [2022-07-13 19:14:28,716 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:28,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:28,717 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 4848 mSDsluCounter, 4101 mSDsCounter, 0 mSdLazyCounter, 4289 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 4289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:28,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 5148 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 4289 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-13 19:14:28,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:29,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1588. [2022-07-13 19:14:29,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1559 states have (on average 1.3739576651699807) internal successors, (2142), 1587 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:29,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2142 transitions. [2022-07-13 19:14:29,168 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2142 transitions. Word has length 114 [2022-07-13 19:14:29,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:29,168 INFO L495 AbstractCegarLoop]: Abstraction has 1588 states and 2142 transitions. [2022-07-13 19:14:29,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:29,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2142 transitions. [2022-07-13 19:14:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:29,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:29,169 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:29,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-07-13 19:14:29,169 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:29,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:29,170 INFO L85 PathProgramCache]: Analyzing trace with hash -2079999532, now seen corresponding path program 1 times [2022-07-13 19:14:29,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:29,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051989396] [2022-07-13 19:14:29,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:29,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:29,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051989396] [2022-07-13 19:14:29,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051989396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:29,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:29,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:29,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296320930] [2022-07-13 19:14:29,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:29,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:29,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:29,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:29,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:29,298 INFO L87 Difference]: Start difference. First operand 1588 states and 2142 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:33,936 INFO L93 Difference]: Finished difference Result 3546 states and 4948 transitions. [2022-07-13 19:14:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:33,936 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:33,940 INFO L225 Difference]: With dead ends: 3546 [2022-07-13 19:14:33,940 INFO L226 Difference]: Without dead ends: 3376 [2022-07-13 19:14:33,940 INFO L412 NwaCegarLoop]: 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 [2022-07-13 19:14:33,941 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 9449 mSDsluCounter, 4732 mSDsCounter, 0 mSdLazyCounter, 5142 mSolverCounterSat, 1532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9449 SdHoareTripleChecker+Valid, 5835 SdHoareTripleChecker+Invalid, 6674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1532 IncrementalHoareTripleChecker+Valid, 5142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:33,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9449 Valid, 5835 Invalid, 6674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1532 Valid, 5142 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 19:14:33,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-07-13 19:14:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 1596. [2022-07-13 19:14:34,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1596 states, 1567 states have (on average 1.372048500319081) internal successors, (2150), 1595 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:34,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2150 transitions. [2022-07-13 19:14:34,407 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2150 transitions. Word has length 114 [2022-07-13 19:14:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:34,407 INFO L495 AbstractCegarLoop]: Abstraction has 1596 states and 2150 transitions. [2022-07-13 19:14:34,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2150 transitions. [2022-07-13 19:14:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:34,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:34,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:34,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-07-13 19:14:34,409 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:34,409 INFO L85 PathProgramCache]: Analyzing trace with hash 791175181, now seen corresponding path program 1 times [2022-07-13 19:14:34,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:34,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666360002] [2022-07-13 19:14:34,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:34,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:34,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:34,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666360002] [2022-07-13 19:14:34,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666360002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:34,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:34,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:34,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056562186] [2022-07-13 19:14:34,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:34,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:34,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:34,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:34,546 INFO L87 Difference]: Start difference. First operand 1596 states and 2150 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:39,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:39,130 INFO L93 Difference]: Finished difference Result 3546 states and 4946 transitions. [2022-07-13 19:14:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:39,130 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:39,134 INFO L225 Difference]: With dead ends: 3546 [2022-07-13 19:14:39,134 INFO L226 Difference]: Without dead ends: 3376 [2022-07-13 19:14:39,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:39,135 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 8795 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 4866 mSolverCounterSat, 1317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8795 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 6183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1317 IncrementalHoareTripleChecker+Valid, 4866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:39,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8795 Valid, 5562 Invalid, 6183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1317 Valid, 4866 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-13 19:14:39,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2022-07-13 19:14:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 1604. [2022-07-13 19:14:39,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1575 states have (on average 1.3701587301587301) internal successors, (2158), 1603 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2158 transitions. [2022-07-13 19:14:39,596 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2158 transitions. Word has length 114 [2022-07-13 19:14:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:39,596 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2158 transitions. [2022-07-13 19:14:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2158 transitions. [2022-07-13 19:14:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:39,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:39,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:39,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-07-13 19:14:39,597 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 145550882, now seen corresponding path program 1 times [2022-07-13 19:14:39,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:39,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310090996] [2022-07-13 19:14:39,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:39,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:39,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310090996] [2022-07-13 19:14:39,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310090996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:39,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:39,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199503588] [2022-07-13 19:14:39,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:39,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:39,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:39,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:39,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:39,680 INFO L87 Difference]: Start difference. First operand 1604 states and 2158 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:42,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:42,341 INFO L93 Difference]: Finished difference Result 2753 states and 3770 transitions. [2022-07-13 19:14:42,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:42,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:42,344 INFO L225 Difference]: With dead ends: 2753 [2022-07-13 19:14:42,344 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:42,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:42,345 INFO L413 NwaCegarLoop]: 990 mSDtfsCounter, 5002 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 4037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:42,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 4493 Invalid, 4037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 3762 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:14:42,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1604. [2022-07-13 19:14:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1575 states have (on average 1.3688888888888888) internal successors, (2156), 1603 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2156 transitions. [2022-07-13 19:14:42,805 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2156 transitions. Word has length 114 [2022-07-13 19:14:42,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:42,805 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2156 transitions. [2022-07-13 19:14:42,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2156 transitions. [2022-07-13 19:14:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:42,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:42,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:42,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-07-13 19:14:42,807 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:42,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash 602626619, now seen corresponding path program 1 times [2022-07-13 19:14:42,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:42,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267890118] [2022-07-13 19:14:42,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:42,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:42,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:42,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267890118] [2022-07-13 19:14:42,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267890118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:42,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:42,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:42,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402525827] [2022-07-13 19:14:42,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:42,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:42,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:42,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:42,902 INFO L87 Difference]: Start difference. First operand 1604 states and 2156 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:45,824 INFO L93 Difference]: Finished difference Result 2930 states and 4009 transitions. [2022-07-13 19:14:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:45,825 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:45,827 INFO L225 Difference]: With dead ends: 2930 [2022-07-13 19:14:45,827 INFO L226 Difference]: Without dead ends: 2740 [2022-07-13 19:14:45,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:45,828 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 6140 mSDsluCounter, 4563 mSDsCounter, 0 mSdLazyCounter, 4484 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6140 SdHoareTripleChecker+Valid, 5696 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:45,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6140 Valid, 5696 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4484 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 19:14:45,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2740 states. [2022-07-13 19:14:46,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2740 to 1604. [2022-07-13 19:14:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1575 states have (on average 1.3676190476190475) internal successors, (2154), 1603 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2154 transitions. [2022-07-13 19:14:46,301 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2154 transitions. Word has length 114 [2022-07-13 19:14:46,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:46,301 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2154 transitions. [2022-07-13 19:14:46,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2154 transitions. [2022-07-13 19:14:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:46,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:46,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:46,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-07-13 19:14:46,303 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:46,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:46,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1363370540, now seen corresponding path program 1 times [2022-07-13 19:14:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:46,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107182229] [2022-07-13 19:14:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:46,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:46,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:46,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:46,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107182229] [2022-07-13 19:14:46,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107182229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:46,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:46,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319508368] [2022-07-13 19:14:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:46,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:46,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:46,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:46,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:46,397 INFO L87 Difference]: Start difference. First operand 1604 states and 2154 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:49,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:49,117 INFO L93 Difference]: Finished difference Result 3018 states and 4128 transitions. [2022-07-13 19:14:49,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:49,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:49,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:49,121 INFO L225 Difference]: With dead ends: 3018 [2022-07-13 19:14:49,121 INFO L226 Difference]: Without dead ends: 2788 [2022-07-13 19:14:49,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:49,122 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 4759 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4066 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 5232 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:49,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4759 Valid, 5232 Invalid, 4151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4066 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:14:49,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2022-07-13 19:14:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 1604. [2022-07-13 19:14:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1575 states have (on average 1.3663492063492064) internal successors, (2152), 1603 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2152 transitions. [2022-07-13 19:14:49,612 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2152 transitions. Word has length 114 [2022-07-13 19:14:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:49,612 INFO L495 AbstractCegarLoop]: Abstraction has 1604 states and 2152 transitions. [2022-07-13 19:14:49,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2152 transitions. [2022-07-13 19:14:49,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:49,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:49,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:49,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-07-13 19:14:49,614 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:49,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1227739513, now seen corresponding path program 1 times [2022-07-13 19:14:49,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:49,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795670709] [2022-07-13 19:14:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:49,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:49,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:49,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795670709] [2022-07-13 19:14:49,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795670709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:49,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:49,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:14:49,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821953324] [2022-07-13 19:14:49,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:49,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:14:49,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:49,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:14:49,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:14:49,745 INFO L87 Difference]: Start difference. First operand 1604 states and 2152 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:54,213 INFO L93 Difference]: Finished difference Result 3554 states and 4948 transitions. [2022-07-13 19:14:54,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-13 19:14:54,213 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:54,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:54,216 INFO L225 Difference]: With dead ends: 3554 [2022-07-13 19:14:54,216 INFO L226 Difference]: Without dead ends: 3380 [2022-07-13 19:14:54,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-13 19:14:54,217 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 10515 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 3918 mSolverCounterSat, 1561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10515 SdHoareTripleChecker+Valid, 4596 SdHoareTripleChecker+Invalid, 5479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 3918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:54,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10515 Valid, 4596 Invalid, 5479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 3918 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-13 19:14:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2022-07-13 19:14:54,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 1612. [2022-07-13 19:14:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1583 states have (on average 1.3644977890082122) internal successors, (2160), 1611 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2160 transitions. [2022-07-13 19:14:54,719 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2160 transitions. Word has length 114 [2022-07-13 19:14:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:54,719 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2160 transitions. [2022-07-13 19:14:54,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2160 transitions. [2022-07-13 19:14:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:54,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:54,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:54,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-07-13 19:14:54,721 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:54,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:54,722 INFO L85 PathProgramCache]: Analyzing trace with hash -558017131, now seen corresponding path program 1 times [2022-07-13 19:14:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:54,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360356999] [2022-07-13 19:14:54,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:54,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:54,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360356999] [2022-07-13 19:14:54,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360356999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:54,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:54,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:54,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327536178] [2022-07-13 19:14:54,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:54,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:54,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:54,806 INFO L87 Difference]: Start difference. First operand 1612 states and 2160 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:14:57,487 INFO L93 Difference]: Finished difference Result 2749 states and 3757 transitions. [2022-07-13 19:14:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:14:57,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:14:57,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:14:57,490 INFO L225 Difference]: With dead ends: 2749 [2022-07-13 19:14:57,490 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:14:57,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-13 19:14:57,490 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 6231 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 3458 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6231 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 3458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-13 19:14:57,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6231 Valid, 4101 Invalid, 3798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 3458 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-13 19:14:57,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:14:57,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1612. [2022-07-13 19:14:57,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1583 states have (on average 1.363234365129501) internal successors, (2158), 1611 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2158 transitions. [2022-07-13 19:14:57,980 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2158 transitions. Word has length 114 [2022-07-13 19:14:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:14:57,980 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2158 transitions. [2022-07-13 19:14:57,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:14:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2158 transitions. [2022-07-13 19:14:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:14:57,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:14:57,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:14:57,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-07-13 19:14:57,981 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:14:57,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:14:57,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1120510956, now seen corresponding path program 1 times [2022-07-13 19:14:57,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:14:57,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232754102] [2022-07-13 19:14:57,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:14:57,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:14:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:14:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:14:58,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:14:58,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232754102] [2022-07-13 19:14:58,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232754102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:14:58,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:14:58,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 19:14:58,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025302907] [2022-07-13 19:14:58,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:14:58,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 19:14:58,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:14:58,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 19:14:58,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 19:14:58,063 INFO L87 Difference]: Start difference. First operand 1612 states and 2158 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:15:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 19:15:00,779 INFO L93 Difference]: Finished difference Result 2753 states and 3760 transitions. [2022-07-13 19:15:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 19:15:00,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-13 19:15:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 19:15:00,782 INFO L225 Difference]: With dead ends: 2753 [2022-07-13 19:15:00,782 INFO L226 Difference]: Without dead ends: 2579 [2022-07-13 19:15:00,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-13 19:15:00,782 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 6674 mSDsluCounter, 3094 mSDsCounter, 0 mSdLazyCounter, 3459 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6674 SdHoareTripleChecker+Valid, 4092 SdHoareTripleChecker+Invalid, 3873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 3459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 19:15:00,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6674 Valid, 4092 Invalid, 3873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 3459 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 19:15:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-07-13 19:15:01,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 1612. [2022-07-13 19:15:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1612 states, 1583 states have (on average 1.3619709412507897) internal successors, (2156), 1611 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:15:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2156 transitions. [2022-07-13 19:15:01,281 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2156 transitions. Word has length 114 [2022-07-13 19:15:01,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 19:15:01,281 INFO L495 AbstractCegarLoop]: Abstraction has 1612 states and 2156 transitions. [2022-07-13 19:15:01,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 19:15:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2156 transitions. [2022-07-13 19:15:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-13 19:15:01,282 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 19:15:01,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 19:15:01,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-07-13 19:15:01,283 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-13 19:15:01,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 19:15:01,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1577586693, now seen corresponding path program 1 times [2022-07-13 19:15:01,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 19:15:01,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812729777] [2022-07-13 19:15:01,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 19:15:01,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 19:15:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 19:15:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 19:15:01,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 19:15:01,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812729777] [2022-07-13 19:15:01,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812729777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 19:15:01,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 19:15:01,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 19:15:01,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789698531] [2022-07-13 19:15:01,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 19:15:01,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 19:15:01,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 19:15:01,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 19:15:01,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 19:15:01,410 INFO L87 Difference]: Start difference. First operand 1612 states and 2156 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)