./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-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 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 06:13:25,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 06:13:25,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 06:13:25,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 06:13:25,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 06:13:25,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 06:13:25,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 06:13:25,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 06:13:25,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 06:13:25,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 06:13:25,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 06:13:25,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 06:13:25,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 06:13:25,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 06:13:25,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 06:13:25,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 06:13:25,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 06:13:25,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 06:13:25,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 06:13:25,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 06:13:25,185 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 06:13:25,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 06:13:25,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 06:13:25,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 06:13:25,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 06:13:25,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 06:13:25,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 06:13:25,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 06:13:25,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 06:13:25,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 06:13:25,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 06:13:25,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 06:13:25,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 06:13:25,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 06:13:25,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 06:13:25,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 06:13:25,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 06:13:25,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 06:13:25,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 06:13:25,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 06:13:25,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 06:13:25,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 06:13:25,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 06:13:25,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 06:13:25,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 06:13:25,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 06:13:25,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 06:13:25,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 06:13:25,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 06:13:25,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 06:13:25,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 06:13:25,233 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 06:13:25,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 06:13:25,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 06:13:25,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 06:13:25,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 06:13:25,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 06:13:25,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 06:13:25,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 06:13:25,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 06:13:25,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 06:13:25,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:13:25,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 06:13:25,237 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 06:13:25,238 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 06:13:25,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 06:13:25,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2022-07-21 06:13:25,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 06:13:25,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 06:13:25,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 06:13:25,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 06:13:25,519 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 06:13:25,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-21 06:13:25,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3324812ba/73ded8fddce94dd7803c61ccaa9cbaa6/FLAG9940035f7 [2022-07-21 06:13:26,784 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 06:13:26,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-21 06:13:26,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3324812ba/73ded8fddce94dd7803c61ccaa9cbaa6/FLAG9940035f7 [2022-07-21 06:13:26,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3324812ba/73ded8fddce94dd7803c61ccaa9cbaa6 [2022-07-21 06:13:26,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 06:13:26,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 06:13:26,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 06:13:26,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 06:13:26,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 06:13:26,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:13:26" (1/1) ... [2022-07-21 06:13:26,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cabea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:26, skipping insertion in model container [2022-07-21 06:13:26,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 06:13:26" (1/1) ... [2022-07-21 06:13:26,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 06:13:27,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 06:13:28,370 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-07-21 06:13:28,410 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-07-21 06:13:28,430 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-07-21 06:13:28,445 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-07-21 06:13:28,479 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-07-21 06:13:28,490 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-07-21 06:13:28,523 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-07-21 06:13:28,534 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-07-21 06:13:28,550 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-07-21 06:13:28,555 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-07-21 06:13:28,570 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-07-21 06:13:28,609 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-07-21 06:13:28,621 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-07-21 06:13:28,634 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-07-21 06:13:28,660 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-07-21 06:13:28,685 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-07-21 06:13:28,755 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-07-21 06:13:28,759 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-07-21 06:13:28,764 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-07-21 06:13:28,772 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-07-21 06:13:28,784 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-07-21 06:13:28,832 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-07-21 06:13:28,910 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-07-21 06:13:28,922 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-07-21 06:13:28,930 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-07-21 06:13:28,954 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-07-21 06:13:28,994 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-07-21 06:13:29,034 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-07-21 06:13:29,107 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-07-21 06:13:29,258 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-07-21 06:13:29,263 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-07-21 06:13:29,268 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-07-21 06:13:29,283 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-07-21 06:13:29,310 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-07-21 06:13:29,341 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-07-21 06:13:29,408 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-07-21 06:13:29,509 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-07-21 06:13:31,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:13:31,105 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 06:13:31,205 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-07-21 06:13:31,215 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-07-21 06:13:31,220 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-07-21 06:13:31,239 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-07-21 06:13:31,244 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-07-21 06:13:31,248 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-07-21 06:13:31,251 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-07-21 06:13:31,259 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-07-21 06:13:31,262 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-07-21 06:13:31,266 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-07-21 06:13:31,272 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-07-21 06:13:31,283 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-07-21 06:13:31,286 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-07-21 06:13:31,290 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-07-21 06:13:31,296 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-07-21 06:13:31,306 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-07-21 06:13:31,322 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-07-21 06:13:31,326 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-07-21 06:13:31,330 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-07-21 06:13:31,337 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-07-21 06:13:31,346 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-07-21 06:13:31,360 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-07-21 06:13:31,382 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-07-21 06:13:31,386 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-07-21 06:13:31,390 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-07-21 06:13:31,397 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-07-21 06:13:31,408 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-07-21 06:13:31,425 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-07-21 06:13:31,453 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-07-21 06:13:31,515 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-07-21 06:13:31,520 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-07-21 06:13:31,524 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-07-21 06:13:31,530 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-07-21 06:13:31,539 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-07-21 06:13:31,553 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-07-21 06:13:31,575 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-07-21 06:13:31,608 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.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-07-21 06:13:32,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 06:13:32,331 INFO L208 MainTranslator]: Completed translation [2022-07-21 06:13:32,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32 WrapperNode [2022-07-21 06:13:32,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 06:13:32,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 06:13:32,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 06:13:32,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 06:13:32,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:32,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:32,840 INFO L137 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23263 [2022-07-21 06:13:32,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 06:13:32,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 06:13:32,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 06:13:32,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 06:13:32,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:32,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:32,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:32,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:33,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:33,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:33,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:33,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 06:13:33,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 06:13:33,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 06:13:33,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 06:13:33,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (1/1) ... [2022-07-21 06:13:33,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 06:13:33,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 06:13:33,282 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) [2022-07-21 06:13:33,302 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 [2022-07-21 06:13:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 06:13:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 06:13:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 06:13:33,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 06:13:33,921 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 06:13:33,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 06:13:40,116 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 06:13:40,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 06:13:40,160 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 06:13:40,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:13:40 BoogieIcfgContainer [2022-07-21 06:13:40,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 06:13:40,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 06:13:40,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 06:13:40,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 06:13:40,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 06:13:26" (1/3) ... [2022-07-21 06:13:40,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db99e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:13:40, skipping insertion in model container [2022-07-21 06:13:40,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 06:13:32" (2/3) ... [2022-07-21 06:13:40,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db99e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 06:13:40, skipping insertion in model container [2022-07-21 06:13:40,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 06:13:40" (3/3) ... [2022-07-21 06:13:40,174 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-21 06:13:40,185 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 06:13:40,185 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-07-21 06:13:40,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 06:13:40,276 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@61750360, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5010ff48 [2022-07-21 06:13:40,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-07-21 06:13:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:13:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 06:13:40,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:13:40,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:13:40,325 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:13:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:13:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2022-07-21 06:13:40,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:13:40,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555348580] [2022-07-21 06:13:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:13:40,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:13:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:13:40,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:13:40,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:13:40,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555348580] [2022-07-21 06:13:40,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555348580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:13:40,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:13:40,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:13:40,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484074214] [2022-07-21 06:13:40,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:13:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:13:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:13:40,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:13:40,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:13:40,829 INFO L87 Difference]: Start difference. First operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:13:43,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:13:43,047 INFO L93 Difference]: Finished difference Result 6602 states and 11760 transitions. [2022-07-21 06:13:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:13:43,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-07-21 06:13:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:13:43,126 INFO L225 Difference]: With dead ends: 6602 [2022-07-21 06:13:43,127 INFO L226 Difference]: Without dead ends: 3827 [2022-07-21 06:13:43,139 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 [2022-07-21 06:13:43,148 INFO L413 NwaCegarLoop]: 3381 mSDtfsCounter, 18399 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18399 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 06:13:43,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18399 Valid, 4385 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 06:13:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-21 06:13:43,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3701. [2022-07-21 06:13:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 3664 states have (on average 1.3788209606986899) internal successors, (5052), 3700 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:13:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5052 transitions. [2022-07-21 06:13:43,486 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5052 transitions. Word has length 116 [2022-07-21 06:13:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:13:43,487 INFO L495 AbstractCegarLoop]: Abstraction has 3701 states and 5052 transitions. [2022-07-21 06:13:43,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:13:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5052 transitions. [2022-07-21 06:13:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-21 06:13:43,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:13:43,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:13:43,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 06:13:43,503 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:13:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:13:43,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2022-07-21 06:13:43,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:13:43,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625832028] [2022-07-21 06:13:43,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:13:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:13:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:13:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:13:44,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:13:44,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625832028] [2022-07-21 06:13:44,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625832028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:13:44,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:13:44,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:13:44,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171759166] [2022-07-21 06:13:44,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:13:44,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:13:44,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:13:44,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:13:44,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:13:44,271 INFO L87 Difference]: Start difference. First operand 3701 states and 5052 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:09,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:09,252 INFO L93 Difference]: Finished difference Result 6314 states and 8889 transitions. [2022-07-21 06:14:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:09,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-07-21 06:14:09,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:09,278 INFO L225 Difference]: With dead ends: 6314 [2022-07-21 06:14:09,287 INFO L226 Difference]: Without dead ends: 3213 [2022-07-21 06:14:09,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 06:14:09,295 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 9387 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9387 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:09,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9387 Valid, 1792 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 24.5s Time] [2022-07-21 06:14:09,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2022-07-21 06:14:09,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 3213. [2022-07-21 06:14:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3176 states have (on average 1.4162468513853905) internal successors, (4498), 3212 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4498 transitions. [2022-07-21 06:14:09,515 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4498 transitions. Word has length 117 [2022-07-21 06:14:09,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:09,518 INFO L495 AbstractCegarLoop]: Abstraction has 3213 states and 4498 transitions. [2022-07-21 06:14:09,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4498 transitions. [2022-07-21 06:14:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 06:14:09,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:09,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:09,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 06:14:09,564 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2022-07-21 06:14:09,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:09,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509263041] [2022-07-21 06:14:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:10,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:10,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509263041] [2022-07-21 06:14:10,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509263041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:10,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:10,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:10,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790728930] [2022-07-21 06:14:10,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:10,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:10,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:10,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:10,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:10,386 INFO L87 Difference]: Start difference. First operand 3213 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:34,444 INFO L93 Difference]: Finished difference Result 5826 states and 8333 transitions. [2022-07-21 06:14:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-07-21 06:14:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:34,459 INFO L225 Difference]: With dead ends: 5826 [2022-07-21 06:14:34,460 INFO L226 Difference]: Without dead ends: 3053 [2022-07-21 06:14:34,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 06:14:34,473 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 8465 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8465 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:34,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8465 Valid, 1268 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 23.6s Time] [2022-07-21 06:14:34,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-07-21 06:14:34,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2022-07-21 06:14:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3016 states have (on average 1.427055702917772) internal successors, (4304), 3052 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:34,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4304 transitions. [2022-07-21 06:14:34,679 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4304 transitions. Word has length 118 [2022-07-21 06:14:34,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:34,680 INFO L495 AbstractCegarLoop]: Abstraction has 3053 states and 4304 transitions. [2022-07-21 06:14:34,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4304 transitions. [2022-07-21 06:14:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-21 06:14:34,688 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:34,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:34,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 06:14:34,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:34,689 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2022-07-21 06:14:34,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:34,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092289395] [2022-07-21 06:14:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:34,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:34,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092289395] [2022-07-21 06:14:34,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092289395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:34,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:34,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429295864] [2022-07-21 06:14:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:34,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:34,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:34,984 INFO L87 Difference]: Start difference. First operand 3053 states and 4304 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:36,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:36,682 INFO L93 Difference]: Finished difference Result 5666 states and 8137 transitions. [2022-07-21 06:14:36,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:36,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-07-21 06:14:36,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:36,697 INFO L225 Difference]: With dead ends: 5666 [2022-07-21 06:14:36,698 INFO L226 Difference]: Without dead ends: 2925 [2022-07-21 06:14:36,715 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 [2022-07-21 06:14:36,721 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 8208 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8208 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:36,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8208 Valid, 1401 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 06:14:36,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-07-21 06:14:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2022-07-21 06:14:37,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2888 states have (on average 1.4397506925207757) internal successors, (4158), 2924 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4158 transitions. [2022-07-21 06:14:37,031 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4158 transitions. Word has length 119 [2022-07-21 06:14:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:37,033 INFO L495 AbstractCegarLoop]: Abstraction has 2925 states and 4158 transitions. [2022-07-21 06:14:37,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4158 transitions. [2022-07-21 06:14:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-21 06:14:37,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:37,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:37,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 06:14:37,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:37,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2022-07-21 06:14:37,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:37,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979349158] [2022-07-21 06:14:37,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:37,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:37,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979349158] [2022-07-21 06:14:37,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979349158] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:37,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:37,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:37,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945154535] [2022-07-21 06:14:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:37,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:37,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:37,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:37,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:37,270 INFO L87 Difference]: Start difference. First operand 2925 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:38,759 INFO L93 Difference]: Finished difference Result 5538 states and 7989 transitions. [2022-07-21 06:14:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:38,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-07-21 06:14:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:38,768 INFO L225 Difference]: With dead ends: 5538 [2022-07-21 06:14:38,769 INFO L226 Difference]: Without dead ends: 2813 [2022-07-21 06:14:38,772 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 [2022-07-21 06:14:38,788 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 8044 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8044 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:38,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8044 Valid, 1488 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 06:14:38,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2022-07-21 06:14:38,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2022-07-21 06:14:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2776 states have (on average 1.4538904899135447) internal successors, (4036), 2812 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4036 transitions. [2022-07-21 06:14:38,985 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4036 transitions. Word has length 120 [2022-07-21 06:14:38,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:38,985 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 4036 transitions. [2022-07-21 06:14:38,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4036 transitions. [2022-07-21 06:14:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-21 06:14:38,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:38,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:38,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 06:14:38,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:38,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:38,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2022-07-21 06:14:38,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:38,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859912432] [2022-07-21 06:14:38,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:38,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:39,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:39,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859912432] [2022-07-21 06:14:39,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859912432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:39,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:39,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:39,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480932037] [2022-07-21 06:14:39,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:39,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:39,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:39,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:39,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:39,236 INFO L87 Difference]: Start difference. First operand 2813 states and 4036 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:40,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:40,725 INFO L93 Difference]: Finished difference Result 5426 states and 7865 transitions. [2022-07-21 06:14:40,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:40,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-07-21 06:14:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:40,733 INFO L225 Difference]: With dead ends: 5426 [2022-07-21 06:14:40,734 INFO L226 Difference]: Without dead ends: 2748 [2022-07-21 06:14:40,737 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 [2022-07-21 06:14:40,742 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 7872 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7872 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:40,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7872 Valid, 1455 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 06:14:40,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-07-21 06:14:40,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2022-07-21 06:14:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2711 states have (on average 1.4625599409811878) internal successors, (3965), 2747 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3965 transitions. [2022-07-21 06:14:41,017 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3965 transitions. Word has length 121 [2022-07-21 06:14:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:41,017 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3965 transitions. [2022-07-21 06:14:41,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3965 transitions. [2022-07-21 06:14:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 06:14:41,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:41,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:41,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 06:14:41,040 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:41,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2022-07-21 06:14:41,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:41,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450773516] [2022-07-21 06:14:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:41,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:41,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:41,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450773516] [2022-07-21 06:14:41,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450773516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:41,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:41,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:41,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865605963] [2022-07-21 06:14:41,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:41,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:41,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:41,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:41,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:41,268 INFO L87 Difference]: Start difference. First operand 2748 states and 3965 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:42,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:42,789 INFO L93 Difference]: Finished difference Result 5361 states and 7792 transitions. [2022-07-21 06:14:42,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:42,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-07-21 06:14:42,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:42,806 INFO L225 Difference]: With dead ends: 5361 [2022-07-21 06:14:42,819 INFO L226 Difference]: Without dead ends: 2717 [2022-07-21 06:14:42,825 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 [2022-07-21 06:14:42,826 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 7753 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7753 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:42,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7753 Valid, 1440 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 06:14:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-07-21 06:14:43,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2022-07-21 06:14:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2680 states have (on average 1.4664179104477613) internal successors, (3930), 2716 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3930 transitions. [2022-07-21 06:14:43,147 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3930 transitions. Word has length 122 [2022-07-21 06:14:43,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:43,148 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3930 transitions. [2022-07-21 06:14:43,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3930 transitions. [2022-07-21 06:14:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 06:14:43,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:43,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:43,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 06:14:43,154 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:43,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:43,155 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2022-07-21 06:14:43,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:43,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806698846] [2022-07-21 06:14:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:43,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:43,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:43,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806698846] [2022-07-21 06:14:43,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806698846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:43,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:43,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 06:14:43,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039803147] [2022-07-21 06:14:43,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:43,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 06:14:43,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:43,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 06:14:43,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 06:14:43,382 INFO L87 Difference]: Start difference. First operand 2717 states and 3930 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:44,973 INFO L93 Difference]: Finished difference Result 5330 states and 7755 transitions. [2022-07-21 06:14:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 06:14:44,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-07-21 06:14:44,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:44,984 INFO L225 Difference]: With dead ends: 5330 [2022-07-21 06:14:44,985 INFO L226 Difference]: Without dead ends: 2706 [2022-07-21 06:14:44,988 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 [2022-07-21 06:14:44,989 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 7597 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7597 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:44,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7597 Valid, 1373 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 06:14:44,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2022-07-21 06:14:45,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2022-07-21 06:14:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4672161858373922) internal successors, (3916), 2705 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3916 transitions. [2022-07-21 06:14:45,185 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3916 transitions. Word has length 123 [2022-07-21 06:14:45,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:45,186 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3916 transitions. [2022-07-21 06:14:45,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3916 transitions. [2022-07-21 06:14:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 06:14:45,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:45,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:45,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 06:14:45,220 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:45,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:45,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2022-07-21 06:14:45,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:45,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688722708] [2022-07-21 06:14:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:45,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:45,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:45,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688722708] [2022-07-21 06:14:45,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688722708] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:45,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:45,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:14:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487722884] [2022-07-21 06:14:45,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:45,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:14:45,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:45,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:14:45,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:14:45,583 INFO L87 Difference]: Start difference. First operand 2706 states and 3916 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:50,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:50,669 INFO L93 Difference]: Finished difference Result 5120 states and 7392 transitions. [2022-07-21 06:14:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 06:14:50,670 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-21 06:14:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:50,710 INFO L225 Difference]: With dead ends: 5120 [2022-07-21 06:14:50,711 INFO L226 Difference]: Without dead ends: 4816 [2022-07-21 06:14:50,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-21 06:14:50,720 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 15816 mSDsluCounter, 7606 mSDsCounter, 0 mSdLazyCounter, 7770 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15816 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 7770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:50,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15816 Valid, 9036 Invalid, 7851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 7770 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 06:14:50,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2022-07-21 06:14:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 2715. [2022-07-21 06:14:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4667662434652726) internal successors, (3928), 2714 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3928 transitions. [2022-07-21 06:14:51,048 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3928 transitions. Word has length 124 [2022-07-21 06:14:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:51,049 INFO L495 AbstractCegarLoop]: Abstraction has 2715 states and 3928 transitions. [2022-07-21 06:14:51,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3928 transitions. [2022-07-21 06:14:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 06:14:51,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:51,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:51,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 06:14:51,054 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:51,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:51,055 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2022-07-21 06:14:51,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:51,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544001589] [2022-07-21 06:14:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:51,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:51,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544001589] [2022-07-21 06:14:51,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544001589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:51,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:51,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:14:51,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865302814] [2022-07-21 06:14:51,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:51,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:14:51,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:51,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:14:51,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:14:51,428 INFO L87 Difference]: Start difference. First operand 2715 states and 3928 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:56,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:14:56,054 INFO L93 Difference]: Finished difference Result 4695 states and 6660 transitions. [2022-07-21 06:14:56,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 06:14:56,055 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-21 06:14:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:14:56,090 INFO L225 Difference]: With dead ends: 4695 [2022-07-21 06:14:56,090 INFO L226 Difference]: Without dead ends: 4504 [2022-07-21 06:14:56,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-21 06:14:56,093 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 11343 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 9288 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11343 SdHoareTripleChecker+Valid, 9061 SdHoareTripleChecker+Invalid, 9887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 9288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 06:14:56,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11343 Valid, 9061 Invalid, 9887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 9288 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 06:14:56,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-07-21 06:14:56,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 2737. [2022-07-21 06:14:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4670370370370371) internal successors, (3961), 2736 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3961 transitions. [2022-07-21 06:14:56,295 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3961 transitions. Word has length 124 [2022-07-21 06:14:56,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:14:56,295 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3961 transitions. [2022-07-21 06:14:56,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:14:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3961 transitions. [2022-07-21 06:14:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 06:14:56,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:14:56,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:14:56,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 06:14:56,323 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:14:56,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:14:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash -537185860, now seen corresponding path program 1 times [2022-07-21 06:14:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:14:56,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746765595] [2022-07-21 06:14:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:14:56,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:14:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:14:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:14:56,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:14:56,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746765595] [2022-07-21 06:14:56,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746765595] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:14:56,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:14:56,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:14:56,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37320049] [2022-07-21 06:14:56,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:14:56,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:14:56,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:14:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:14:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:14:56,687 INFO L87 Difference]: Start difference. First operand 2737 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:00,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:00,144 INFO L93 Difference]: Finished difference Result 5001 states and 7252 transitions. [2022-07-21 06:15:00,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 06:15:00,144 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-21 06:15:00,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:00,156 INFO L225 Difference]: With dead ends: 5001 [2022-07-21 06:15:00,156 INFO L226 Difference]: Without dead ends: 4720 [2022-07-21 06:15:00,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-21 06:15:00,166 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 10326 mSDsluCounter, 6478 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10326 SdHoareTripleChecker+Valid, 7967 SdHoareTripleChecker+Invalid, 6935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:00,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10326 Valid, 7967 Invalid, 6935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 6878 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 06:15:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4720 states. [2022-07-21 06:15:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4720 to 2739. [2022-07-21 06:15:00,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4666913397483345) internal successors, (3963), 2738 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:00,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3963 transitions. [2022-07-21 06:15:00,415 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3963 transitions. Word has length 124 [2022-07-21 06:15:00,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:00,416 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3963 transitions. [2022-07-21 06:15:00,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3963 transitions. [2022-07-21 06:15:00,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 06:15:00,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:00,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:00,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 06:15:00,421 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:00,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:00,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2022-07-21 06:15:00,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:00,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287754952] [2022-07-21 06:15:00,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:00,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:00,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:00,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287754952] [2022-07-21 06:15:00,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287754952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:00,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:00,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:00,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493842884] [2022-07-21 06:15:00,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:00,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:00,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:00,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:00,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:00,701 INFO L87 Difference]: Start difference. First operand 2739 states and 3963 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:03,531 INFO L93 Difference]: Finished difference Result 4989 states and 7250 transitions. [2022-07-21 06:15:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:03,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-21 06:15:03,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:03,573 INFO L225 Difference]: With dead ends: 4989 [2022-07-21 06:15:03,574 INFO L226 Difference]: Without dead ends: 4623 [2022-07-21 06:15:03,576 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 [2022-07-21 06:15:03,577 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 15543 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 5355 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15543 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 5355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:03,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15543 Valid, 6324 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 5355 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 06:15:03,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2022-07-21 06:15:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 2739. [2022-07-21 06:15:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4663212435233162) internal successors, (3962), 2738 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3962 transitions. [2022-07-21 06:15:03,924 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3962 transitions. Word has length 124 [2022-07-21 06:15:03,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:03,927 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3962 transitions. [2022-07-21 06:15:03,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3962 transitions. [2022-07-21 06:15:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 06:15:03,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:03,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:03,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 06:15:03,938 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2022-07-21 06:15:03,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:03,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654131669] [2022-07-21 06:15:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:04,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654131669] [2022-07-21 06:15:04,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654131669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:04,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:04,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 06:15:04,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391307008] [2022-07-21 06:15:04,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:04,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 06:15:04,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 06:15:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 06:15:04,259 INFO L87 Difference]: Start difference. First operand 2739 states and 3962 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:06,750 INFO L93 Difference]: Finished difference Result 4491 states and 6264 transitions. [2022-07-21 06:15:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 06:15:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-21 06:15:06,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:06,780 INFO L225 Difference]: With dead ends: 4491 [2022-07-21 06:15:06,780 INFO L226 Difference]: Without dead ends: 3403 [2022-07-21 06:15:06,783 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 [2022-07-21 06:15:06,784 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 12980 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12980 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 4253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:06,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12980 Valid, 3300 Invalid, 4253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 06:15:06,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-07-21 06:15:07,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2739. [2022-07-21 06:15:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4659511472982976) internal successors, (3961), 2738 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3961 transitions. [2022-07-21 06:15:07,282 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3961 transitions. Word has length 124 [2022-07-21 06:15:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:07,284 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3961 transitions. [2022-07-21 06:15:07,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3961 transitions. [2022-07-21 06:15:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:07,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:07,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:07,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 06:15:07,312 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:07,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1000263533, now seen corresponding path program 1 times [2022-07-21 06:15:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:07,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002765304] [2022-07-21 06:15:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:07,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:07,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002765304] [2022-07-21 06:15:07,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002765304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:07,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:07,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:15:07,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126863768] [2022-07-21 06:15:07,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:07,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:15:07,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:07,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:15:07,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:15:07,537 INFO L87 Difference]: Start difference. First operand 2739 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:12,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:12,095 INFO L93 Difference]: Finished difference Result 5475 states and 7919 transitions. [2022-07-21 06:15:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 06:15:12,096 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:12,131 INFO L225 Difference]: With dead ends: 5475 [2022-07-21 06:15:12,131 INFO L226 Difference]: Without dead ends: 5071 [2022-07-21 06:15:12,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-07-21 06:15:12,135 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 11179 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 8748 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11179 SdHoareTripleChecker+Valid, 10364 SdHoareTripleChecker+Invalid, 8788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 8748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:12,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11179 Valid, 10364 Invalid, 8788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 8748 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-21 06:15:12,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-07-21 06:15:12,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 2739. [2022-07-21 06:15:12,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.465581051073279) internal successors, (3960), 2738 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3960 transitions. [2022-07-21 06:15:12,398 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3960 transitions. Word has length 126 [2022-07-21 06:15:12,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:12,399 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3960 transitions. [2022-07-21 06:15:12,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:12,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3960 transitions. [2022-07-21 06:15:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:12,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:12,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:12,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 06:15:12,404 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:12,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:12,404 INFO L85 PathProgramCache]: Analyzing trace with hash -826398625, now seen corresponding path program 1 times [2022-07-21 06:15:12,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:12,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595043491] [2022-07-21 06:15:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:12,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:12,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:12,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:12,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595043491] [2022-07-21 06:15:12,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595043491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:12,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:12,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:12,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029486962] [2022-07-21 06:15:12,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:12,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:12,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:12,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:12,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:12,601 INFO L87 Difference]: Start difference. First operand 2739 states and 3960 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:16,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:16,402 INFO L93 Difference]: Finished difference Result 3772 states and 5489 transitions. [2022-07-21 06:15:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 06:15:16,405 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:16,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:16,411 INFO L225 Difference]: With dead ends: 3772 [2022-07-21 06:15:16,411 INFO L226 Difference]: Without dead ends: 3183 [2022-07-21 06:15:16,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-21 06:15:16,416 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 6967 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6967 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 5933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:16,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6967 Valid, 7083 Invalid, 5933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 06:15:16,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-07-21 06:15:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-07-21 06:15:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4660921693518172) internal successors, (3913), 2705 states have internal predecessors, (3913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3913 transitions. [2022-07-21 06:15:16,621 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3913 transitions. Word has length 126 [2022-07-21 06:15:16,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:16,621 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3913 transitions. [2022-07-21 06:15:16,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3913 transitions. [2022-07-21 06:15:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:16,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:16,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:16,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 06:15:16,625 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:16,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:16,626 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2022-07-21 06:15:16,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:16,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277860984] [2022-07-21 06:15:16,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:16,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:16,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:16,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277860984] [2022-07-21 06:15:16,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277860984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:16,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:16,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:16,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778459417] [2022-07-21 06:15:16,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:16,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:16,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:16,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:16,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:16,772 INFO L87 Difference]: Start difference. First operand 2706 states and 3913 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:19,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:19,966 INFO L93 Difference]: Finished difference Result 4402 states and 6270 transitions. [2022-07-21 06:15:19,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:19,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:19,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:19,972 INFO L225 Difference]: With dead ends: 4402 [2022-07-21 06:15:19,972 INFO L226 Difference]: Without dead ends: 4214 [2022-07-21 06:15:19,973 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 [2022-07-21 06:15:19,973 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7160 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 5397 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7160 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 5842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 5397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:19,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7160 Valid, 5584 Invalid, 5842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 5397 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 06:15:19,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-21 06:15:20,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-21 06:15:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4657174971899587) internal successors, (3912), 2705 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3912 transitions. [2022-07-21 06:15:20,255 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3912 transitions. Word has length 126 [2022-07-21 06:15:20,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:20,256 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3912 transitions. [2022-07-21 06:15:20,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3912 transitions. [2022-07-21 06:15:20,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:20,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:20,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:20,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 06:15:20,260 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:20,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1373735587, now seen corresponding path program 1 times [2022-07-21 06:15:20,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:20,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116674051] [2022-07-21 06:15:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:20,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:20,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116674051] [2022-07-21 06:15:20,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116674051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:20,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:20,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195522979] [2022-07-21 06:15:20,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:20,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:20,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:20,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:20,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:20,413 INFO L87 Difference]: Start difference. First operand 2706 states and 3912 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:22,487 INFO L93 Difference]: Finished difference Result 4835 states and 7010 transitions. [2022-07-21 06:15:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:22,488 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:22,494 INFO L225 Difference]: With dead ends: 4835 [2022-07-21 06:15:22,495 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:15:22,496 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 [2022-07-21 06:15:22,497 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 12164 mSDsluCounter, 5353 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12164 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:22,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12164 Valid, 7060 Invalid, 6086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 6020 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 06:15:22,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:15:22,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:15:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4653428250281004) internal successors, (3911), 2705 states have internal predecessors, (3911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3911 transitions. [2022-07-21 06:15:22,738 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3911 transitions. Word has length 126 [2022-07-21 06:15:22,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:22,738 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3911 transitions. [2022-07-21 06:15:22,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3911 transitions. [2022-07-21 06:15:22,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:22,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:22,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:22,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 06:15:22,742 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:22,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2022-07-21 06:15:22,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:22,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180657813] [2022-07-21 06:15:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:22,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:22,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180657813] [2022-07-21 06:15:22,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180657813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:22,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:22,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:22,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238396564] [2022-07-21 06:15:22,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:22,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:22,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:22,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:22,847 INFO L87 Difference]: Start difference. First operand 2706 states and 3911 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:24,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:24,993 INFO L93 Difference]: Finished difference Result 4994 states and 7239 transitions. [2022-07-21 06:15:24,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:24,994 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:24,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:24,999 INFO L225 Difference]: With dead ends: 4994 [2022-07-21 06:15:24,999 INFO L226 Difference]: Without dead ends: 4590 [2022-07-21 06:15:25,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:15:25,001 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 10486 mSDsluCounter, 5536 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10486 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 6296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:25,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10486 Valid, 7426 Invalid, 6296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 6263 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 06:15:25,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-21 06:15:25,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-21 06:15:25,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.464968152866242) internal successors, (3910), 2705 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:25,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3910 transitions. [2022-07-21 06:15:25,224 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3910 transitions. Word has length 126 [2022-07-21 06:15:25,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:25,224 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3910 transitions. [2022-07-21 06:15:25,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3910 transitions. [2022-07-21 06:15:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:25,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:25,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:25,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 06:15:25,228 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:25,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2022-07-21 06:15:25,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:25,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105777442] [2022-07-21 06:15:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:25,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:25,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105777442] [2022-07-21 06:15:25,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105777442] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:25,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:25,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:25,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984837047] [2022-07-21 06:15:25,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:25,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:25,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:25,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:25,379 INFO L87 Difference]: Start difference. First operand 2706 states and 3910 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:28,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:28,414 INFO L93 Difference]: Finished difference Result 4835 states and 7008 transitions. [2022-07-21 06:15:28,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:28,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:28,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:28,420 INFO L225 Difference]: With dead ends: 4835 [2022-07-21 06:15:28,420 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:15:28,422 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 [2022-07-21 06:15:28,422 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 6621 mSDsluCounter, 5896 mSDsCounter, 0 mSdLazyCounter, 6535 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6621 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 6572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 6535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:28,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6621 Valid, 7697 Invalid, 6572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 6535 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 06:15:28,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:15:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:15:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4645934807043837) internal successors, (3909), 2705 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3909 transitions. [2022-07-21 06:15:28,654 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3909 transitions. Word has length 126 [2022-07-21 06:15:28,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:28,654 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3909 transitions. [2022-07-21 06:15:28,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:28,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3909 transitions. [2022-07-21 06:15:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:28,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:28,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:28,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 06:15:28,658 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:28,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1814493165, now seen corresponding path program 1 times [2022-07-21 06:15:28,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:28,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116460725] [2022-07-21 06:15:28,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:28,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:28,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116460725] [2022-07-21 06:15:28,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116460725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:28,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:28,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:28,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182866096] [2022-07-21 06:15:28,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:28,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:28,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:28,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:28,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:28,799 INFO L87 Difference]: Start difference. First operand 2706 states and 3909 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:31,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:31,210 INFO L93 Difference]: Finished difference Result 4219 states and 5987 transitions. [2022-07-21 06:15:31,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:31,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:31,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:31,215 INFO L225 Difference]: With dead ends: 4219 [2022-07-21 06:15:31,216 INFO L226 Difference]: Without dead ends: 4214 [2022-07-21 06:15:31,216 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 [2022-07-21 06:15:31,219 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7153 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5383 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 5828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 5383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:31,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 5581 Invalid, 5828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 5383 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 06:15:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-21 06:15:31,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-21 06:15:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.463844136380667) internal successors, (3907), 2705 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3907 transitions. [2022-07-21 06:15:31,461 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3907 transitions. Word has length 126 [2022-07-21 06:15:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:31,462 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3907 transitions. [2022-07-21 06:15:31,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3907 transitions. [2022-07-21 06:15:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:31,465 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:31,465 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:31,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 06:15:31,466 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:31,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1182584093, now seen corresponding path program 1 times [2022-07-21 06:15:31,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:31,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688314610] [2022-07-21 06:15:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:31,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:31,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688314610] [2022-07-21 06:15:31,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688314610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:31,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:31,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120571090] [2022-07-21 06:15:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:31,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:31,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:31,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:31,576 INFO L87 Difference]: Start difference. First operand 2706 states and 3907 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:34,268 INFO L93 Difference]: Finished difference Result 4940 states and 7143 transitions. [2022-07-21 06:15:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:34,268 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:34,274 INFO L225 Difference]: With dead ends: 4940 [2022-07-21 06:15:34,275 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:15:34,276 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 [2022-07-21 06:15:34,277 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 13696 mSDsluCounter, 5878 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13696 SdHoareTripleChecker+Valid, 7679 SdHoareTripleChecker+Invalid, 6581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:34,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13696 Valid, 7679 Invalid, 6581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 6509 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 06:15:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:15:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:15:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4630947920569501) internal successors, (3905), 2705 states have internal predecessors, (3905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3905 transitions. [2022-07-21 06:15:34,603 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3905 transitions. Word has length 126 [2022-07-21 06:15:34,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:34,604 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3905 transitions. [2022-07-21 06:15:34,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:34,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3905 transitions. [2022-07-21 06:15:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:34,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:34,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:34,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 06:15:34,608 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:34,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:34,608 INFO L85 PathProgramCache]: Analyzing trace with hash -407743545, now seen corresponding path program 1 times [2022-07-21 06:15:34,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:34,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874540334] [2022-07-21 06:15:34,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:34,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:34,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:34,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874540334] [2022-07-21 06:15:34,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874540334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:34,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:34,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:34,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359519295] [2022-07-21 06:15:34,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:34,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:34,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:34,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:34,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:34,751 INFO L87 Difference]: Start difference. First operand 2706 states and 3905 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:37,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:37,796 INFO L93 Difference]: Finished difference Result 5170 states and 7488 transitions. [2022-07-21 06:15:37,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:37,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:37,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:37,802 INFO L225 Difference]: With dead ends: 5170 [2022-07-21 06:15:37,802 INFO L226 Difference]: Without dead ends: 4590 [2022-07-21 06:15:37,803 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 [2022-07-21 06:15:37,803 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 10322 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10322 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 6396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:37,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10322 Valid, 7616 Invalid, 6396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 06:15:37,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-21 06:15:38,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-21 06:15:38,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4623454477332334) internal successors, (3903), 2705 states have internal predecessors, (3903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3903 transitions. [2022-07-21 06:15:38,056 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3903 transitions. Word has length 126 [2022-07-21 06:15:38,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:38,056 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3903 transitions. [2022-07-21 06:15:38,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3903 transitions. [2022-07-21 06:15:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:38,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:38,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:38,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 06:15:38,061 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:38,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:38,061 INFO L85 PathProgramCache]: Analyzing trace with hash -829302792, now seen corresponding path program 1 times [2022-07-21 06:15:38,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:38,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103277541] [2022-07-21 06:15:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:38,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:38,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103277541] [2022-07-21 06:15:38,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103277541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:38,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:38,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:38,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872735549] [2022-07-21 06:15:38,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:38,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:38,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:38,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:38,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:38,187 INFO L87 Difference]: Start difference. First operand 2706 states and 3903 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:40,853 INFO L93 Difference]: Finished difference Result 4219 states and 5979 transitions. [2022-07-21 06:15:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:40,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:40,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:40,860 INFO L225 Difference]: With dead ends: 4219 [2022-07-21 06:15:40,860 INFO L226 Difference]: Without dead ends: 4214 [2022-07-21 06:15:40,861 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 [2022-07-21 06:15:40,874 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 10376 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5372 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10376 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 5372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:40,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10376 Valid, 5581 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 5372 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 06:15:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-21 06:15:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-21 06:15:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4615961034095166) internal successors, (3901), 2705 states have internal predecessors, (3901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:41,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3901 transitions. [2022-07-21 06:15:41,148 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3901 transitions. Word has length 126 [2022-07-21 06:15:41,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:41,148 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3901 transitions. [2022-07-21 06:15:41,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3901 transitions. [2022-07-21 06:15:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 06:15:41,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:41,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:41,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 06:15:41,152 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:41,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash 987279281, now seen corresponding path program 1 times [2022-07-21 06:15:41,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:41,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719535884] [2022-07-21 06:15:41,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:41,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:41,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:41,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719535884] [2022-07-21 06:15:41,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719535884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:41,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:41,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:41,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328705457] [2022-07-21 06:15:41,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:41,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:41,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:41,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:41,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:41,276 INFO L87 Difference]: Start difference. First operand 2706 states and 3901 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:43,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:43,584 INFO L93 Difference]: Finished difference Result 4281 states and 6191 transitions. [2022-07-21 06:15:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 06:15:43,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-21 06:15:43,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:43,589 INFO L225 Difference]: With dead ends: 4281 [2022-07-21 06:15:43,590 INFO L226 Difference]: Without dead ends: 3183 [2022-07-21 06:15:43,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-07-21 06:15:43,592 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 7319 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 5861 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7319 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 5885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:43,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7319 Valid, 7060 Invalid, 5885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5861 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 06:15:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-07-21 06:15:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-07-21 06:15:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4608467590857999) internal successors, (3899), 2705 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3899 transitions. [2022-07-21 06:15:43,857 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3899 transitions. Word has length 126 [2022-07-21 06:15:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:43,857 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3899 transitions. [2022-07-21 06:15:43,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3899 transitions. [2022-07-21 06:15:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:43,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:43,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:43,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 06:15:43,862 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:43,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:43,862 INFO L85 PathProgramCache]: Analyzing trace with hash 681403934, now seen corresponding path program 1 times [2022-07-21 06:15:43,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:43,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305148286] [2022-07-21 06:15:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:43,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:43,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305148286] [2022-07-21 06:15:43,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305148286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:43,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:43,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:43,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218763545] [2022-07-21 06:15:43,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:43,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:43,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:43,984 INFO L87 Difference]: Start difference. First operand 2706 states and 3899 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:47,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:47,176 INFO L93 Difference]: Finished difference Result 4820 states and 6974 transitions. [2022-07-21 06:15:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:47,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:15:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:47,183 INFO L225 Difference]: With dead ends: 4820 [2022-07-21 06:15:47,184 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:15:47,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:15:47,186 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 9466 mSDsluCounter, 6321 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9466 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 7033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:47,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9466 Valid, 8202 Invalid, 7033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 06:15:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:15:47,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:15:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4604720869239416) internal successors, (3898), 2705 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3898 transitions. [2022-07-21 06:15:47,493 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3898 transitions. Word has length 128 [2022-07-21 06:15:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:47,493 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3898 transitions. [2022-07-21 06:15:47,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3898 transitions. [2022-07-21 06:15:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:47,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:47,496 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:47,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 06:15:47,497 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1420830732, now seen corresponding path program 1 times [2022-07-21 06:15:47,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:47,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303142423] [2022-07-21 06:15:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:47,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:47,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:47,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303142423] [2022-07-21 06:15:47,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303142423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:47,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:47,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:47,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927752042] [2022-07-21 06:15:47,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:47,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:47,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:47,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:47,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:47,595 INFO L87 Difference]: Start difference. First operand 2706 states and 3898 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:49,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:49,844 INFO L93 Difference]: Finished difference Result 4578 states and 6567 transitions. [2022-07-21 06:15:49,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:49,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:15:49,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:49,850 INFO L225 Difference]: With dead ends: 4578 [2022-07-21 06:15:49,850 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:15:49,851 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 [2022-07-21 06:15:49,852 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7021 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5446 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7021 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:49,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7021 Valid, 6139 Invalid, 5681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5446 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 06:15:49,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:15:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:15:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.460097414762083) internal successors, (3897), 2705 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3897 transitions. [2022-07-21 06:15:50,138 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3897 transitions. Word has length 128 [2022-07-21 06:15:50,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:50,138 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3897 transitions. [2022-07-21 06:15:50,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3897 transitions. [2022-07-21 06:15:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:50,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:50,141 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:50,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-21 06:15:50,141 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:50,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1591777376, now seen corresponding path program 1 times [2022-07-21 06:15:50,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:50,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621602717] [2022-07-21 06:15:50,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:50,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621602717] [2022-07-21 06:15:50,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621602717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:50,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:50,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:50,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129076116] [2022-07-21 06:15:50,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:50,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:50,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:50,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:50,230 INFO L87 Difference]: Start difference. First operand 2706 states and 3897 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:52,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:52,834 INFO L93 Difference]: Finished difference Result 4765 states and 6878 transitions. [2022-07-21 06:15:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:52,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:15:52,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:52,840 INFO L225 Difference]: With dead ends: 4765 [2022-07-21 06:15:52,840 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:15:52,841 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 [2022-07-21 06:15:52,841 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 6340 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 6656 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6340 SdHoareTripleChecker+Valid, 7851 SdHoareTripleChecker+Invalid, 6717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 6656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:52,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6340 Valid, 7851 Invalid, 6717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 6656 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 06:15:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:15:53,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-21 06:15:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4597227426002248) internal successors, (3896), 2705 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:53,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3896 transitions. [2022-07-21 06:15:53,176 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3896 transitions. Word has length 128 [2022-07-21 06:15:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:53,176 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3896 transitions. [2022-07-21 06:15:53,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3896 transitions. [2022-07-21 06:15:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:53,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:53,179 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:53,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-21 06:15:53,179 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:53,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash -931556890, now seen corresponding path program 1 times [2022-07-21 06:15:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:53,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963285971] [2022-07-21 06:15:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:53,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:53,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963285971] [2022-07-21 06:15:53,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963285971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:53,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:53,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:53,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699029216] [2022-07-21 06:15:53,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:53,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:53,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:53,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:53,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:53,271 INFO L87 Difference]: Start difference. First operand 2706 states and 3896 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:55,392 INFO L93 Difference]: Finished difference Result 4580 states and 6566 transitions. [2022-07-21 06:15:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:15:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:55,397 INFO L225 Difference]: With dead ends: 4580 [2022-07-21 06:15:55,397 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:15:55,398 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 [2022-07-21 06:15:55,398 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10608 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10608 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:55,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10608 Valid, 6139 Invalid, 5804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 06:15:55,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:15:55,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:15:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4593480704383663) internal successors, (3895), 2705 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3895 transitions. [2022-07-21 06:15:55,702 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3895 transitions. Word has length 128 [2022-07-21 06:15:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:55,702 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3895 transitions. [2022-07-21 06:15:55,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3895 transitions. [2022-07-21 06:15:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:55,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:55,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:55,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-21 06:15:55,705 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:55,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:55,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1604231275, now seen corresponding path program 1 times [2022-07-21 06:15:55,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:55,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282018641] [2022-07-21 06:15:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:55,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:55,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:55,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282018641] [2022-07-21 06:15:55,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282018641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:55,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:55,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:55,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529223708] [2022-07-21 06:15:55,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:55,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:55,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:55,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:55,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:55,860 INFO L87 Difference]: Start difference. First operand 2706 states and 3895 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:15:58,307 INFO L93 Difference]: Finished difference Result 4584 states and 6568 transitions. [2022-07-21 06:15:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:15:58,307 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:15:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:15:58,313 INFO L225 Difference]: With dead ends: 4584 [2022-07-21 06:15:58,314 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:15:58,315 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 [2022-07-21 06:15:58,316 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10614 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10614 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:15:58,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10614 Valid, 6134 Invalid, 5798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 06:15:58,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:15:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:15:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.458973398276508) internal successors, (3894), 2705 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3894 transitions. [2022-07-21 06:15:58,660 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3894 transitions. Word has length 128 [2022-07-21 06:15:58,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:15:58,660 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3894 transitions. [2022-07-21 06:15:58,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:15:58,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3894 transitions. [2022-07-21 06:15:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:15:58,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:15:58,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:15:58,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-21 06:15:58,663 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:15:58,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:15:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash -943249158, now seen corresponding path program 1 times [2022-07-21 06:15:58,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:15:58,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548098674] [2022-07-21 06:15:58,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:15:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:15:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:15:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:15:58,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:15:58,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548098674] [2022-07-21 06:15:58,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548098674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:15:58,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:15:58,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:15:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498513516] [2022-07-21 06:15:58,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:15:58,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:15:58,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:15:58,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:15:58,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:15:58,760 INFO L87 Difference]: Start difference. First operand 2706 states and 3894 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:01,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:01,657 INFO L93 Difference]: Finished difference Result 4580 states and 6562 transitions. [2022-07-21 06:16:01,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:01,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:01,663 INFO L225 Difference]: With dead ends: 4580 [2022-07-21 06:16:01,663 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:01,664 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 [2022-07-21 06:16:01,665 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10598 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 5428 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10598 SdHoareTripleChecker+Valid, 6138 SdHoareTripleChecker+Invalid, 5795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:01,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10598 Valid, 6138 Invalid, 5795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5428 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 06:16:01,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:01,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4585987261146496) internal successors, (3893), 2705 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3893 transitions. [2022-07-21 06:16:01,983 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3893 transitions. Word has length 128 [2022-07-21 06:16:01,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:01,983 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3893 transitions. [2022-07-21 06:16:01,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3893 transitions. [2022-07-21 06:16:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:01,986 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:01,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:01,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-21 06:16:01,986 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:01,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:01,986 INFO L85 PathProgramCache]: Analyzing trace with hash -337041358, now seen corresponding path program 1 times [2022-07-21 06:16:01,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:01,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521406411] [2022-07-21 06:16:01,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:01,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521406411] [2022-07-21 06:16:02,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521406411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:02,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:02,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:02,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650072126] [2022-07-21 06:16:02,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:02,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:02,080 INFO L87 Difference]: Start difference. First operand 2706 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:05,145 INFO L93 Difference]: Finished difference Result 4405 states and 6248 transitions. [2022-07-21 06:16:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:05,146 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:05,150 INFO L225 Difference]: With dead ends: 4405 [2022-07-21 06:16:05,150 INFO L226 Difference]: Without dead ends: 4214 [2022-07-21 06:16:05,151 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 [2022-07-21 06:16:05,153 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 7074 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7074 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 5867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:05,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7074 Valid, 5680 Invalid, 5867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 5426 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 06:16:05,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-21 06:16:05,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-21 06:16:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4582240539527913) internal successors, (3892), 2705 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3892 transitions. [2022-07-21 06:16:05,492 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3892 transitions. Word has length 128 [2022-07-21 06:16:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:05,492 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3892 transitions. [2022-07-21 06:16:05,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3892 transitions. [2022-07-21 06:16:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:05,495 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:05,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:05,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-21 06:16:05,496 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:05,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:05,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1226086168, now seen corresponding path program 1 times [2022-07-21 06:16:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222373052] [2022-07-21 06:16:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:05,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:05,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222373052] [2022-07-21 06:16:05,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222373052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:05,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:05,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:05,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585031509] [2022-07-21 06:16:05,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:05,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:05,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:05,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:05,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:05,597 INFO L87 Difference]: Start difference. First operand 2706 states and 3892 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:09,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:09,075 INFO L93 Difference]: Finished difference Result 4858 states and 7004 transitions. [2022-07-21 06:16:09,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:09,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:09,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:09,081 INFO L225 Difference]: With dead ends: 4858 [2022-07-21 06:16:09,081 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:16:09,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:16:09,084 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 12632 mSDsluCounter, 6269 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12632 SdHoareTripleChecker+Valid, 8305 SdHoareTripleChecker+Invalid, 7105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:09,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12632 Valid, 8305 Invalid, 7105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 06:16:09,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:16:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:16:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.457849381790933) internal successors, (3891), 2705 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3891 transitions. [2022-07-21 06:16:09,465 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3891 transitions. Word has length 128 [2022-07-21 06:16:09,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:09,465 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3891 transitions. [2022-07-21 06:16:09,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3891 transitions. [2022-07-21 06:16:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:09,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:09,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-21 06:16:09,468 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1069708262, now seen corresponding path program 1 times [2022-07-21 06:16:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:09,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864216271] [2022-07-21 06:16:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:09,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:09,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864216271] [2022-07-21 06:16:09,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864216271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:09,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:09,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:09,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592440001] [2022-07-21 06:16:09,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:09,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:09,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:09,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:09,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:09,607 INFO L87 Difference]: Start difference. First operand 2706 states and 3891 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:12,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:12,721 INFO L93 Difference]: Finished difference Result 4584 states and 6561 transitions. [2022-07-21 06:16:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:12,721 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:12,726 INFO L225 Difference]: With dead ends: 4584 [2022-07-21 06:16:12,727 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:12,728 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 [2022-07-21 06:16:12,729 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10595 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5413 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10595 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:12,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10595 Valid, 6134 Invalid, 5780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5413 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 06:16:12,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4574747096290745) internal successors, (3890), 2705 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:13,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3890 transitions. [2022-07-21 06:16:13,081 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3890 transitions. Word has length 128 [2022-07-21 06:16:13,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:13,081 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3890 transitions. [2022-07-21 06:16:13,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3890 transitions. [2022-07-21 06:16:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:13,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:13,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:13,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-21 06:16:13,085 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:13,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:13,085 INFO L85 PathProgramCache]: Analyzing trace with hash 883623581, now seen corresponding path program 1 times [2022-07-21 06:16:13,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:13,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432882588] [2022-07-21 06:16:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:13,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432882588] [2022-07-21 06:16:13,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432882588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:13,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:13,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:13,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532615983] [2022-07-21 06:16:13,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:13,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:13,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:13,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:13,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:13,180 INFO L87 Difference]: Start difference. First operand 2706 states and 3890 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:16,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:16,620 INFO L93 Difference]: Finished difference Result 4808 states and 6930 transitions. [2022-07-21 06:16:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:16,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:16,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:16,627 INFO L225 Difference]: With dead ends: 4808 [2022-07-21 06:16:16,628 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:16:16,629 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 [2022-07-21 06:16:16,629 INFO L413 NwaCegarLoop]: 1822 mSDtfsCounter, 13340 mSDsluCounter, 6038 mSDsCounter, 0 mSdLazyCounter, 6581 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13340 SdHoareTripleChecker+Valid, 7860 SdHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 6581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:16,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13340 Valid, 7860 Invalid, 6708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 6581 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 06:16:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:16:17,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-21 06:16:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4567253653053578) internal successors, (3888), 2705 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3888 transitions. [2022-07-21 06:16:17,058 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3888 transitions. Word has length 128 [2022-07-21 06:16:17,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:17,058 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3888 transitions. [2022-07-21 06:16:17,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3888 transitions. [2022-07-21 06:16:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:17,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:17,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:17,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-21 06:16:17,062 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:17,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1591765089, now seen corresponding path program 1 times [2022-07-21 06:16:17,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:17,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088439693] [2022-07-21 06:16:17,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:17,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088439693] [2022-07-21 06:16:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088439693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:17,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:17,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856324640] [2022-07-21 06:16:17,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:17,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:17,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:17,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:17,272 INFO L87 Difference]: Start difference. First operand 2706 states and 3888 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:21,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:21,219 INFO L93 Difference]: Finished difference Result 4924 states and 7106 transitions. [2022-07-21 06:16:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:21,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:21,225 INFO L225 Difference]: With dead ends: 4924 [2022-07-21 06:16:21,225 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:16:21,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-21 06:16:21,227 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 13025 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 6825 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13025 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 6898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:21,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13025 Valid, 8130 Invalid, 6898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 6825 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 06:16:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:16:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:16:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.455976020981641) internal successors, (3886), 2705 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3886 transitions. [2022-07-21 06:16:21,640 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3886 transitions. Word has length 128 [2022-07-21 06:16:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:21,640 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3886 transitions. [2022-07-21 06:16:21,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:21,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3886 transitions. [2022-07-21 06:16:21,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:21,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:21,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:21,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-21 06:16:21,645 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:21,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:21,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1715317699, now seen corresponding path program 1 times [2022-07-21 06:16:21,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:21,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133633425] [2022-07-21 06:16:21,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:21,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:21,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:21,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133633425] [2022-07-21 06:16:21,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133633425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:21,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:21,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:21,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881569620] [2022-07-21 06:16:21,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:21,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:21,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:21,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:21,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:21,846 INFO L87 Difference]: Start difference. First operand 2706 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:25,501 INFO L93 Difference]: Finished difference Result 4588 states and 6562 transitions. [2022-07-21 06:16:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:25,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:25,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:25,508 INFO L225 Difference]: With dead ends: 4588 [2022-07-21 06:16:25,509 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:25,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:16:25,511 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10571 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10571 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:25,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10571 Valid, 6139 Invalid, 5770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 06:16:25,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:25,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4552266766579243) internal successors, (3884), 2705 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3884 transitions. [2022-07-21 06:16:25,973 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3884 transitions. Word has length 128 [2022-07-21 06:16:25,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:25,973 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3884 transitions. [2022-07-21 06:16:25,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3884 transitions. [2022-07-21 06:16:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:25,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:25,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:25,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-21 06:16:25,977 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:25,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:25,978 INFO L85 PathProgramCache]: Analyzing trace with hash 295990348, now seen corresponding path program 1 times [2022-07-21 06:16:25,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:25,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716325072] [2022-07-21 06:16:25,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:25,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:26,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:26,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716325072] [2022-07-21 06:16:26,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716325072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:26,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:26,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:26,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712748301] [2022-07-21 06:16:26,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:26,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:26,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:26,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:26,186 INFO L87 Difference]: Start difference. First operand 2706 states and 3884 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:29,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:29,669 INFO L93 Difference]: Finished difference Result 4590 states and 6559 transitions. [2022-07-21 06:16:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:29,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:29,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:29,674 INFO L225 Difference]: With dead ends: 4590 [2022-07-21 06:16:29,675 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:29,676 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 [2022-07-21 06:16:29,677 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7001 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 5396 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7001 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:29,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7001 Valid, 6136 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5396 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 06:16:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:30,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4544773323342075) internal successors, (3882), 2705 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3882 transitions. [2022-07-21 06:16:30,222 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3882 transitions. Word has length 128 [2022-07-21 06:16:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3882 transitions. [2022-07-21 06:16:30,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3882 transitions. [2022-07-21 06:16:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:30,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:30,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:30,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-21 06:16:30,226 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1590504953, now seen corresponding path program 1 times [2022-07-21 06:16:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:30,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816102327] [2022-07-21 06:16:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:30,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:30,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:30,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816102327] [2022-07-21 06:16:30,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816102327] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:30,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:30,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:30,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800181645] [2022-07-21 06:16:30,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:30,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:30,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:30,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:30,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:30,432 INFO L87 Difference]: Start difference. First operand 2706 states and 3882 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:34,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:34,662 INFO L93 Difference]: Finished difference Result 5260 states and 7568 transitions. [2022-07-21 06:16:34,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:34,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:34,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:34,669 INFO L225 Difference]: With dead ends: 5260 [2022-07-21 06:16:34,669 INFO L226 Difference]: Without dead ends: 4590 [2022-07-21 06:16:34,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:16:34,672 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 9204 mSDsluCounter, 6471 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9204 SdHoareTripleChecker+Valid, 8689 SdHoareTripleChecker+Invalid, 7149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:34,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9204 Valid, 8689 Invalid, 7149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 06:16:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-21 06:16:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-21 06:16:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4537279880104907) internal successors, (3880), 2705 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3880 transitions. [2022-07-21 06:16:35,114 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3880 transitions. Word has length 128 [2022-07-21 06:16:35,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:35,114 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3880 transitions. [2022-07-21 06:16:35,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3880 transitions. [2022-07-21 06:16:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:35,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:35,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:35,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-21 06:16:35,117 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:35,118 INFO L85 PathProgramCache]: Analyzing trace with hash -649704393, now seen corresponding path program 1 times [2022-07-21 06:16:35,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:35,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799805476] [2022-07-21 06:16:35,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:35,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:35,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799805476] [2022-07-21 06:16:35,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799805476] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:35,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:35,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489030384] [2022-07-21 06:16:35,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:35,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:35,323 INFO L87 Difference]: Start difference. First operand 2706 states and 3880 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:38,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:38,722 INFO L93 Difference]: Finished difference Result 4594 states and 6559 transitions. [2022-07-21 06:16:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:38,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:38,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:38,730 INFO L225 Difference]: With dead ends: 4594 [2022-07-21 06:16:38,730 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:38,732 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 [2022-07-21 06:16:38,732 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10568 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5389 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10568 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:38,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10568 Valid, 6134 Invalid, 5756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5389 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 06:16:38,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:39,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.452978643686774) internal successors, (3878), 2705 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3878 transitions. [2022-07-21 06:16:39,212 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3878 transitions. Word has length 128 [2022-07-21 06:16:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:39,212 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3878 transitions. [2022-07-21 06:16:39,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3878 transitions. [2022-07-21 06:16:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:39,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:39,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:39,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-21 06:16:39,216 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1947594431, now seen corresponding path program 1 times [2022-07-21 06:16:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:39,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826940084] [2022-07-21 06:16:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:39,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:39,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826940084] [2022-07-21 06:16:39,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826940084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:39,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:39,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:39,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127017450] [2022-07-21 06:16:39,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:39,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:39,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:39,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:39,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:39,399 INFO L87 Difference]: Start difference. First operand 2706 states and 3878 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:43,256 INFO L93 Difference]: Finished difference Result 4960 states and 7136 transitions. [2022-07-21 06:16:43,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:43,257 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:43,263 INFO L225 Difference]: With dead ends: 4960 [2022-07-21 06:16:43,263 INFO L226 Difference]: Without dead ends: 4554 [2022-07-21 06:16:43,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:16:43,265 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 7724 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7724 SdHoareTripleChecker+Valid, 8947 SdHoareTripleChecker+Invalid, 7437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:43,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7724 Valid, 8947 Invalid, 7437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 06:16:43,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-21 06:16:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-21 06:16:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4522292993630572) internal successors, (3876), 2705 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3876 transitions. [2022-07-21 06:16:43,703 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3876 transitions. Word has length 128 [2022-07-21 06:16:43,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:43,704 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3876 transitions. [2022-07-21 06:16:43,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3876 transitions. [2022-07-21 06:16:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 06:16:43,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:43,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:43,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-21 06:16:43,707 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash 757045227, now seen corresponding path program 1 times [2022-07-21 06:16:43,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:43,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137428377] [2022-07-21 06:16:43,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:43,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:43,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:43,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137428377] [2022-07-21 06:16:43,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137428377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:43,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:43,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217492589] [2022-07-21 06:16:43,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:43,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:43,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:43,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:43,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:43,886 INFO L87 Difference]: Start difference. First operand 2706 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:47,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:47,871 INFO L93 Difference]: Finished difference Result 4812 states and 6920 transitions. [2022-07-21 06:16:47,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:47,872 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-07-21 06:16:47,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:47,878 INFO L225 Difference]: With dead ends: 4812 [2022-07-21 06:16:47,878 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:16:47,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:16:47,880 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 7276 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7276 SdHoareTripleChecker+Valid, 8941 SdHoareTripleChecker+Invalid, 7580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:47,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7276 Valid, 8941 Invalid, 7580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 06:16:47,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:16:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-21 06:16:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4514799550393407) internal successors, (3874), 2705 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3874 transitions. [2022-07-21 06:16:48,337 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3874 transitions. Word has length 128 [2022-07-21 06:16:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:48,338 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3874 transitions. [2022-07-21 06:16:48,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3874 transitions. [2022-07-21 06:16:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:16:48,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:48,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:48,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-21 06:16:48,363 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:48,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:48,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1772568616, now seen corresponding path program 1 times [2022-07-21 06:16:48,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:48,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474382610] [2022-07-21 06:16:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:48,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474382610] [2022-07-21 06:16:48,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474382610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:48,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:48,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:48,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858238245] [2022-07-21 06:16:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:48,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:48,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:48,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:48,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:48,556 INFO L87 Difference]: Start difference. First operand 2706 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:52,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:52,379 INFO L93 Difference]: Finished difference Result 4578 states and 6531 transitions. [2022-07-21 06:16:52,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:52,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:16:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:52,386 INFO L225 Difference]: With dead ends: 4578 [2022-07-21 06:16:52,387 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:52,388 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 [2022-07-21 06:16:52,390 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 6970 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5381 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:52,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6970 Valid, 6139 Invalid, 5616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5381 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 06:16:52,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4511052828774822) internal successors, (3873), 2705 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3873 transitions. [2022-07-21 06:16:52,891 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3873 transitions. Word has length 130 [2022-07-21 06:16:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:52,891 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3873 transitions. [2022-07-21 06:16:52,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3873 transitions. [2022-07-21 06:16:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:16:52,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:52,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:52,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-21 06:16:52,894 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:52,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1325529909, now seen corresponding path program 1 times [2022-07-21 06:16:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:52,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734514997] [2022-07-21 06:16:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:53,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:53,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734514997] [2022-07-21 06:16:53,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734514997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:53,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:53,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:16:53,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574623544] [2022-07-21 06:16:53,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:53,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:16:53,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:16:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:16:53,077 INFO L87 Difference]: Start difference. First operand 2706 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:57,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:16:57,205 INFO L93 Difference]: Finished difference Result 4578 states and 6529 transitions. [2022-07-21 06:16:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:16:57,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:16:57,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:16:57,211 INFO L225 Difference]: With dead ends: 4578 [2022-07-21 06:16:57,211 INFO L226 Difference]: Without dead ends: 4386 [2022-07-21 06:16:57,214 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 [2022-07-21 06:16:57,220 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10514 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 5374 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10514 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 5741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 06:16:57,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10514 Valid, 6142 Invalid, 5741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5374 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 06:16:57,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-21 06:16:57,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-21 06:16:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.450730610715624) internal successors, (3872), 2705 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3872 transitions. [2022-07-21 06:16:57,679 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3872 transitions. Word has length 130 [2022-07-21 06:16:57,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:16:57,681 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3872 transitions. [2022-07-21 06:16:57,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:16:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3872 transitions. [2022-07-21 06:16:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:16:57,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:16:57,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:16:57,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-21 06:16:57,685 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:16:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:16:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash 482117909, now seen corresponding path program 1 times [2022-07-21 06:16:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:16:57,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500630935] [2022-07-21 06:16:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:16:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:16:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:16:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:16:58,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:16:58,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500630935] [2022-07-21 06:16:58,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500630935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:16:58,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:16:58,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:16:58,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454147659] [2022-07-21 06:16:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:16:58,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:16:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:16:58,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:16:58,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:16:58,006 INFO L87 Difference]: Start difference. First operand 2706 states and 3872 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:05,701 INFO L93 Difference]: Finished difference Result 6158 states and 8919 transitions. [2022-07-21 06:17:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-21 06:17:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:05,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:05,711 INFO L225 Difference]: With dead ends: 6158 [2022-07-21 06:17:05,712 INFO L226 Difference]: Without dead ends: 5931 [2022-07-21 06:17:05,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-21 06:17:05,716 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 18464 mSDsluCounter, 9889 mSDsCounter, 0 mSdLazyCounter, 10285 mSolverCounterSat, 1311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18464 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 11596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1311 IncrementalHoareTripleChecker+Valid, 10285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:05,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18464 Valid, 12094 Invalid, 11596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1311 Valid, 10285 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 06:17:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2022-07-21 06:17:06,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 2710. [2022-07-21 06:17:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4500561167227835) internal successors, (3876), 2709 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3876 transitions. [2022-07-21 06:17:06,274 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3876 transitions. Word has length 130 [2022-07-21 06:17:06,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:06,275 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3876 transitions. [2022-07-21 06:17:06,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3876 transitions. [2022-07-21 06:17:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:06,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:06,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:06,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-21 06:17:06,303 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:06,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1400633873, now seen corresponding path program 1 times [2022-07-21 06:17:06,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:06,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996412623] [2022-07-21 06:17:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:07,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:07,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996412623] [2022-07-21 06:17:07,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996412623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:07,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:07,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:07,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171954191] [2022-07-21 06:17:07,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:07,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:07,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:07,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:07,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:07,089 INFO L87 Difference]: Start difference. First operand 2710 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:11,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:11,173 INFO L93 Difference]: Finished difference Result 4750 states and 6825 transitions. [2022-07-21 06:17:11,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:11,173 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:11,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:11,180 INFO L225 Difference]: With dead ends: 4750 [2022-07-21 06:17:11,180 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:17:11,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:17:11,182 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 5914 mSDsluCounter, 6723 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5914 SdHoareTripleChecker+Valid, 8773 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:11,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5914 Valid, 8773 Invalid, 7429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 7371 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 06:17:11,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:17:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-07-21 06:17:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4496820052375607) internal successors, (3875), 2709 states have internal predecessors, (3875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3875 transitions. [2022-07-21 06:17:11,754 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3875 transitions. Word has length 130 [2022-07-21 06:17:11,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:11,754 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3875 transitions. [2022-07-21 06:17:11,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3875 transitions. [2022-07-21 06:17:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:11,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:11,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:11,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-21 06:17:11,758 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:11,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:11,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1004203123, now seen corresponding path program 1 times [2022-07-21 06:17:11,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:11,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929726556] [2022-07-21 06:17:11,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:11,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:11,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:11,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:11,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929726556] [2022-07-21 06:17:11,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929726556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:11,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:11,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926126624] [2022-07-21 06:17:11,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:11,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:11,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:11,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:11,975 INFO L87 Difference]: Start difference. First operand 2710 states and 3875 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:16,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:16,647 INFO L93 Difference]: Finished difference Result 4691 states and 6723 transitions. [2022-07-21 06:17:16,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:16,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:16,654 INFO L225 Difference]: With dead ends: 4691 [2022-07-21 06:17:16,654 INFO L226 Difference]: Without dead ends: 4486 [2022-07-21 06:17:16,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:17:16,656 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11687 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 7192 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11687 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 7380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 7192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:16,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11687 Valid, 8543 Invalid, 7380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 7192 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 06:17:16,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-21 06:17:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-21 06:17:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4493078937523383) internal successors, (3874), 2709 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:17,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3874 transitions. [2022-07-21 06:17:17,197 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3874 transitions. Word has length 130 [2022-07-21 06:17:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:17,197 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3874 transitions. [2022-07-21 06:17:17,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3874 transitions. [2022-07-21 06:17:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:17,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:17,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:17,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-21 06:17:17,232 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:17,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:17,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1677688633, now seen corresponding path program 1 times [2022-07-21 06:17:17,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:17,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649746826] [2022-07-21 06:17:17,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:17,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:17,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:17,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649746826] [2022-07-21 06:17:17,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649746826] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:17,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:17,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:17,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714239397] [2022-07-21 06:17:17,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:17,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:17,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:17,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:17,440 INFO L87 Difference]: Start difference. First operand 2710 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:21,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:21,501 INFO L93 Difference]: Finished difference Result 4697 states and 6727 transitions. [2022-07-21 06:17:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:21,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:21,508 INFO L225 Difference]: With dead ends: 4697 [2022-07-21 06:17:21,509 INFO L226 Difference]: Without dead ends: 4486 [2022-07-21 06:17:21,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:17:21,513 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 9104 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 6681 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9104 SdHoareTripleChecker+Valid, 7943 SdHoareTripleChecker+Invalid, 6833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 6681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:21,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9104 Valid, 7943 Invalid, 6833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 6681 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 06:17:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-21 06:17:22,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-21 06:17:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4489337822671156) internal successors, (3873), 2709 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:22,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3873 transitions. [2022-07-21 06:17:22,111 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3873 transitions. Word has length 130 [2022-07-21 06:17:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:22,111 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3873 transitions. [2022-07-21 06:17:22,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3873 transitions. [2022-07-21 06:17:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:22,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:22,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:22,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-21 06:17:22,115 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:22,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:22,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1493970645, now seen corresponding path program 1 times [2022-07-21 06:17:22,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:22,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630099436] [2022-07-21 06:17:22,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:22,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:22,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:22,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630099436] [2022-07-21 06:17:22,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630099436] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:22,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:22,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440280842] [2022-07-21 06:17:22,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:22,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:22,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:22,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:22,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:22,337 INFO L87 Difference]: Start difference. First operand 2710 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:26,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:26,927 INFO L93 Difference]: Finished difference Result 4689 states and 6718 transitions. [2022-07-21 06:17:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:26,927 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:26,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:26,934 INFO L225 Difference]: With dead ends: 4689 [2022-07-21 06:17:26,934 INFO L226 Difference]: Without dead ends: 4486 [2022-07-21 06:17:26,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:17:26,936 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11670 mSDsluCounter, 6943 mSDsCounter, 0 mSdLazyCounter, 7183 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11670 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 7371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 7183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:26,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11670 Valid, 8547 Invalid, 7371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 7183 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 06:17:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-21 06:17:27,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-21 06:17:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.448559670781893) internal successors, (3872), 2709 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3872 transitions. [2022-07-21 06:17:27,500 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3872 transitions. Word has length 130 [2022-07-21 06:17:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:27,500 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3872 transitions. [2022-07-21 06:17:27,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:27,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3872 transitions. [2022-07-21 06:17:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:27,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:27,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:27,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-21 06:17:27,504 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:27,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:27,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1046931938, now seen corresponding path program 1 times [2022-07-21 06:17:27,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:27,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019920389] [2022-07-21 06:17:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:27,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:27,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019920389] [2022-07-21 06:17:27,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019920389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:27,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:27,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:27,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752879829] [2022-07-21 06:17:27,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:27,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:27,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:27,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:27,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:27,732 INFO L87 Difference]: Start difference. First operand 2710 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:31,894 INFO L93 Difference]: Finished difference Result 4757 states and 6829 transitions. [2022-07-21 06:17:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:31,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:31,900 INFO L225 Difference]: With dead ends: 4757 [2022-07-21 06:17:31,900 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:17:31,901 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 [2022-07-21 06:17:31,901 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 11524 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 7349 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11524 SdHoareTripleChecker+Valid, 8776 SdHoareTripleChecker+Invalid, 7462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 7349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11524 Valid, 8776 Invalid, 7462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 7349 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 06:17:31,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:17:32,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-07-21 06:17:32,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4481855592966704) internal successors, (3871), 2709 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3871 transitions. [2022-07-21 06:17:32,471 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3871 transitions. Word has length 130 [2022-07-21 06:17:32,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:32,472 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3871 transitions. [2022-07-21 06:17:32,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3871 transitions. [2022-07-21 06:17:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:32,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:32,476 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:32,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-21 06:17:32,476 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:32,480 INFO L85 PathProgramCache]: Analyzing trace with hash -794902595, now seen corresponding path program 1 times [2022-07-21 06:17:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:32,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637339594] [2022-07-21 06:17:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:32,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:32,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637339594] [2022-07-21 06:17:32,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637339594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:32,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:32,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:32,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750559114] [2022-07-21 06:17:32,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:32,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:32,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:32,669 INFO L87 Difference]: Start difference. First operand 2710 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:36,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:36,613 INFO L93 Difference]: Finished difference Result 4406 states and 6222 transitions. [2022-07-21 06:17:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:36,613 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:36,633 INFO L225 Difference]: With dead ends: 4406 [2022-07-21 06:17:36,636 INFO L226 Difference]: Without dead ends: 4218 [2022-07-21 06:17:36,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-21 06:17:36,638 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 12780 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 5715 mSolverCounterSat, 916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12780 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 6631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 5715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:36,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12780 Valid, 6068 Invalid, 6631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [916 Valid, 5715 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 06:17:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-07-21 06:17:37,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2022-07-21 06:17:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4478114478114479) internal successors, (3870), 2709 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3870 transitions. [2022-07-21 06:17:37,259 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3870 transitions. Word has length 130 [2022-07-21 06:17:37,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:37,259 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3870 transitions. [2022-07-21 06:17:37,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3870 transitions. [2022-07-21 06:17:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:37,262 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:37,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:37,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-21 06:17:37,263 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:37,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:37,263 INFO L85 PathProgramCache]: Analyzing trace with hash -2056814519, now seen corresponding path program 1 times [2022-07-21 06:17:37,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:37,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955649829] [2022-07-21 06:17:37,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:37,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:37,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:37,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955649829] [2022-07-21 06:17:37,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955649829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:37,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:37,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 06:17:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039749554] [2022-07-21 06:17:37,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:37,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 06:17:37,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:37,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 06:17:37,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 06:17:37,519 INFO L87 Difference]: Start difference. First operand 2710 states and 3870 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:45,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:45,052 INFO L93 Difference]: Finished difference Result 6174 states and 8925 transitions. [2022-07-21 06:17:45,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-21 06:17:45,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:45,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:45,061 INFO L225 Difference]: With dead ends: 6174 [2022-07-21 06:17:45,062 INFO L226 Difference]: Without dead ends: 5939 [2022-07-21 06:17:45,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-21 06:17:45,065 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 19822 mSDsluCounter, 7514 mSDsCounter, 0 mSdLazyCounter, 8130 mSolverCounterSat, 1349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19822 SdHoareTripleChecker+Valid, 9693 SdHoareTripleChecker+Invalid, 9479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1349 IncrementalHoareTripleChecker+Valid, 8130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:45,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19822 Valid, 9693 Invalid, 9479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1349 Valid, 8130 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 06:17:45,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-07-21 06:17:45,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 2714. [2022-07-21 06:17:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4471423234964513) internal successors, (3874), 2713 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3874 transitions. [2022-07-21 06:17:45,729 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3874 transitions. Word has length 130 [2022-07-21 06:17:45,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:45,729 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3874 transitions. [2022-07-21 06:17:45,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3874 transitions. [2022-07-21 06:17:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:45,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:45,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:45,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-21 06:17:45,734 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:45,735 INFO L85 PathProgramCache]: Analyzing trace with hash -86761087, now seen corresponding path program 1 times [2022-07-21 06:17:45,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762094118] [2022-07-21 06:17:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:45,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:45,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762094118] [2022-07-21 06:17:45,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762094118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:45,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:45,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:45,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766300439] [2022-07-21 06:17:45,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:45,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:45,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:45,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:45,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:45,918 INFO L87 Difference]: Start difference. First operand 2714 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:50,238 INFO L93 Difference]: Finished difference Result 4410 states and 6225 transitions. [2022-07-21 06:17:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:50,238 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:50,245 INFO L225 Difference]: With dead ends: 4410 [2022-07-21 06:17:50,246 INFO L226 Difference]: Without dead ends: 4222 [2022-07-21 06:17:50,248 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 [2022-07-21 06:17:50,256 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 12768 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 5714 mSolverCounterSat, 916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12768 SdHoareTripleChecker+Valid, 6080 SdHoareTripleChecker+Invalid, 6630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 5714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:50,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12768 Valid, 6080 Invalid, 6630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [916 Valid, 5714 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 06:17:50,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-21 06:17:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-21 06:17:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4467687710123271) internal successors, (3873), 2713 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3873 transitions. [2022-07-21 06:17:50,903 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3873 transitions. Word has length 130 [2022-07-21 06:17:50,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:50,903 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3873 transitions. [2022-07-21 06:17:50,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3873 transitions. [2022-07-21 06:17:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:50,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:50,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:50,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-21 06:17:50,906 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:50,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:50,907 INFO L85 PathProgramCache]: Analyzing trace with hash -641149672, now seen corresponding path program 1 times [2022-07-21 06:17:50,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:50,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913889703] [2022-07-21 06:17:50,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:50,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:51,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913889703] [2022-07-21 06:17:51,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913889703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:51,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:51,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:51,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686695364] [2022-07-21 06:17:51,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:51,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:51,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:51,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:51,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:51,100 INFO L87 Difference]: Start difference. First operand 2714 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:55,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:17:55,471 INFO L93 Difference]: Finished difference Result 4410 states and 6223 transitions. [2022-07-21 06:17:55,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:17:55,472 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:17:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:17:55,478 INFO L225 Difference]: With dead ends: 4410 [2022-07-21 06:17:55,479 INFO L226 Difference]: Without dead ends: 4222 [2022-07-21 06:17:55,480 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 [2022-07-21 06:17:55,482 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 10842 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10842 SdHoareTripleChecker+Valid, 6060 SdHoareTripleChecker+Invalid, 6489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 06:17:55,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10842 Valid, 6060 Invalid, 6489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 06:17:55,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-21 06:17:56,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-21 06:17:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4463952185282032) internal successors, (3872), 2713 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3872 transitions. [2022-07-21 06:17:56,131 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3872 transitions. Word has length 130 [2022-07-21 06:17:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:17:56,132 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3872 transitions. [2022-07-21 06:17:56,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:17:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3872 transitions. [2022-07-21 06:17:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:17:56,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:17:56,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:17:56,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-21 06:17:56,135 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:17:56,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:17:56,137 INFO L85 PathProgramCache]: Analyzing trace with hash -948826908, now seen corresponding path program 1 times [2022-07-21 06:17:56,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:17:56,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739663234] [2022-07-21 06:17:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:17:56,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:17:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:17:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:17:56,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:17:56,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739663234] [2022-07-21 06:17:56,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739663234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:17:56,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:17:56,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:17:56,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13612419] [2022-07-21 06:17:56,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:17:56,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:17:56,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:17:56,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:17:56,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:17:56,293 INFO L87 Difference]: Start difference. First operand 2714 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:00,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:18:00,628 INFO L93 Difference]: Finished difference Result 4780 states and 6845 transitions. [2022-07-21 06:18:00,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:18:00,629 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:18:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:18:00,635 INFO L225 Difference]: With dead ends: 4780 [2022-07-21 06:18:00,635 INFO L226 Difference]: Without dead ends: 4530 [2022-07-21 06:18:00,636 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 [2022-07-21 06:18:00,640 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 11946 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7096 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11946 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 7211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 7096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 06:18:00,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11946 Valid, 8495 Invalid, 7211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 7096 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 06:18:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-21 06:18:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-21 06:18:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4460216660440792) internal successors, (3871), 2713 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3871 transitions. [2022-07-21 06:18:01,238 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3871 transitions. Word has length 130 [2022-07-21 06:18:01,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:18:01,238 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3871 transitions. [2022-07-21 06:18:01,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3871 transitions. [2022-07-21 06:18:01,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:18:01,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:18:01,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:18:01,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-21 06:18:01,241 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:18:01,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:18:01,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1179085933, now seen corresponding path program 1 times [2022-07-21 06:18:01,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:18:01,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180327443] [2022-07-21 06:18:01,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:18:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:18:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:18:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:18:01,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:18:01,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180327443] [2022-07-21 06:18:01,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180327443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:18:01,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:18:01,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:18:01,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816761493] [2022-07-21 06:18:01,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:18:01,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:18:01,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:18:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:18:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:18:01,380 INFO L87 Difference]: Start difference. First operand 2714 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:04,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 06:18:04,773 INFO L93 Difference]: Finished difference Result 4410 states and 6220 transitions. [2022-07-21 06:18:04,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 06:18:04,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-21 06:18:04,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 06:18:04,778 INFO L225 Difference]: With dead ends: 4410 [2022-07-21 06:18:04,778 INFO L226 Difference]: Without dead ends: 4222 [2022-07-21 06:18:04,778 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 [2022-07-21 06:18:04,779 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7888 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7888 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 6041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 06:18:04,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7888 Valid, 5843 Invalid, 6041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 06:18:04,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-21 06:18:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-21 06:18:05,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4456481135599553) internal successors, (3870), 2713 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3870 transitions. [2022-07-21 06:18:05,362 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3870 transitions. Word has length 130 [2022-07-21 06:18:05,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 06:18:05,362 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3870 transitions. [2022-07-21 06:18:05,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 06:18:05,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3870 transitions. [2022-07-21 06:18:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 06:18:05,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 06:18:05,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 06:18:05,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-21 06:18:05,365 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-21 06:18:05,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 06:18:05,366 INFO L85 PathProgramCache]: Analyzing trace with hash 470944425, now seen corresponding path program 1 times [2022-07-21 06:18:05,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 06:18:05,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817856896] [2022-07-21 06:18:05,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 06:18:05,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 06:18:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 06:18:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 06:18:05,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 06:18:05,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817856896] [2022-07-21 06:18:05,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817856896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 06:18:05,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 06:18:05,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 06:18:05,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832741442] [2022-07-21 06:18:05,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 06:18:05,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 06:18:05,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 06:18:05,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 06:18:05,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 06:18:05,464 INFO L87 Difference]: Start difference. First operand 2714 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)