./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 18:34:22,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 18:34:22,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 18:34:22,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 18:34:22,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 18:34:22,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 18:34:22,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 18:34:22,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 18:34:22,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 18:34:22,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 18:34:22,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 18:34:22,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 18:34:22,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 18:34:22,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 18:34:22,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 18:34:22,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 18:34:22,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 18:34:22,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 18:34:22,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 18:34:22,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 18:34:22,905 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 18:34:22,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 18:34:22,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 18:34:22,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 18:34:22,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 18:34:22,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 18:34:22,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 18:34:22,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 18:34:22,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 18:34:22,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 18:34:22,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 18:34:22,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 18:34:22,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 18:34:22,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 18:34:22,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 18:34:22,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 18:34:22,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 18:34:22,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 18:34:22,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 18:34:22,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 18:34:22,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 18:34:22,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 18:34:22,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 18:34:22,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 18:34:22,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 18:34:22,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 18:34:22,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 18:34:22,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 18:34:22,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 18:34:22,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 18:34:22,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 18:34:22,945 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 18:34:22,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 18:34:22,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 18:34:22,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 18:34:22,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 18:34:22,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 18:34:22,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 18:34:22,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 18:34:22,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 18:34:22,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 18:34:22,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 18:34:22,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:34:22,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 18:34:22,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 18:34:22,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 18:34:22,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 18:34:22,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 18:34:22,949 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 18:34:22,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 18:34:22,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 18:34:22,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8b90978b682a83c8f6f0d2fe75b83e30918fdef6451144e6a40fff2a4b9e706 [2022-07-19 18:34:23,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 18:34:23,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 18:34:23,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 18:34:23,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 18:34:23,191 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 18:34:23,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-07-19 18:34:23,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3626160e9/fac076a17fb54e6ebb2191a9e69dcd48/FLAG23b70fdd5 [2022-07-19 18:34:24,082 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 18:34:24,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-07-19 18:34:24,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3626160e9/fac076a17fb54e6ebb2191a9e69dcd48/FLAG23b70fdd5 [2022-07-19 18:34:24,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3626160e9/fac076a17fb54e6ebb2191a9e69dcd48 [2022-07-19 18:34:24,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 18:34:24,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 18:34:24,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 18:34:24,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 18:34:24,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 18:34:24,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:34:24" (1/1) ... [2022-07-19 18:34:24,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2f19ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:24, skipping insertion in model container [2022-07-19 18:34:24,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 06:34:24" (1/1) ... [2022-07-19 18:34:24,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 18:34:24,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 18:34:25,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2022-07-19 18:34:26,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2022-07-19 18:34:26,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2022-07-19 18:34:26,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2022-07-19 18:34:26,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2022-07-19 18:34:26,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2022-07-19 18:34:26,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2022-07-19 18:34:26,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2022-07-19 18:34:26,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2022-07-19 18:34:26,685 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2022-07-19 18:34:26,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2022-07-19 18:34:26,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2022-07-19 18:34:26,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2022-07-19 18:34:26,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2022-07-19 18:34:26,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2022-07-19 18:34:26,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2022-07-19 18:34:26,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2022-07-19 18:34:26,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2022-07-19 18:34:26,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2022-07-19 18:34:26,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2022-07-19 18:34:26,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2022-07-19 18:34:26,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2022-07-19 18:34:27,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2022-07-19 18:34:27,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2022-07-19 18:34:27,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2022-07-19 18:34:27,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2022-07-19 18:34:27,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2022-07-19 18:34:27,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2022-07-19 18:34:27,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2022-07-19 18:34:27,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:34:27,173 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 18:34:27,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[172160,172173] [2022-07-19 18:34:27,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[250199,250212] [2022-07-19 18:34:27,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[289422,289435] [2022-07-19 18:34:27,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[309133,309146] [2022-07-19 18:34:27,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[319011,319024] [2022-07-19 18:34:27,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[323922,323935] [2022-07-19 18:34:27,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[328750,328763] [2022-07-19 18:34:28,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[405185,405198] [2022-07-19 18:34:28,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[443553,443566] [2022-07-19 18:34:28,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[463065,463078] [2022-07-19 18:34:28,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[472989,473002] [2022-07-19 18:34:28,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[477943,477956] [2022-07-19 18:34:28,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[482814,482827] [2022-07-19 18:34:28,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[521320,521333] [2022-07-19 18:34:28,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[540838,540851] [2022-07-19 18:34:28,326 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[550762,550775] [2022-07-19 18:34:28,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[555716,555729] [2022-07-19 18:34:28,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[560575,560588] [2022-07-19 18:34:28,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[581321,581334] [2022-07-19 18:34:28,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[591188,591201] [2022-07-19 18:34:28,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[596115,596128] [2022-07-19 18:34:28,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[600957,600970] [2022-07-19 18:34:28,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[606379,606392] [2022-07-19 18:34:28,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[611215,611228] [2022-07-19 18:34:28,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[616142,616155] [2022-07-19 18:34:28,515 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.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[620984,620997] [2022-07-19 18:34:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[626027,626040] [2022-07-19 18:34:28,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[631036,631049] [2022-07-19 18:34:28,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c[635974,635987] [2022-07-19 18:34:28,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 18:34:28,618 INFO L208 MainTranslator]: Completed translation [2022-07-19 18:34:28,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28 WrapperNode [2022-07-19 18:34:28,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 18:34:28,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 18:34:28,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 18:34:28,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 18:34:28,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:28,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,043 INFO L137 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26578 [2022-07-19 18:34:29,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 18:34:29,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 18:34:29,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 18:34:29,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 18:34:29,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,110 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 18:34:29,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 18:34:29,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 18:34:29,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 18:34:29,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (1/1) ... [2022-07-19 18:34:29,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 18:34:29,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 18:34:29,476 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) [2022-07-19 18:34:29,499 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 [2022-07-19 18:34:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 18:34:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 18:34:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 18:34:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 18:34:30,195 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 18:34:30,197 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 18:34:38,589 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 18:34:38,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 18:34:38,641 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 18:34:38,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:34:38 BoogieIcfgContainer [2022-07-19 18:34:38,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 18:34:38,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 18:34:38,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 18:34:38,653 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 18:34:38,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 06:34:24" (1/3) ... [2022-07-19 18:34:38,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388efc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:34:38, skipping insertion in model container [2022-07-19 18:34:38,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 06:34:28" (2/3) ... [2022-07-19 18:34:38,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388efc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 06:34:38, skipping insertion in model container [2022-07-19 18:34:38,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 06:34:38" (3/3) ... [2022-07-19 18:34:38,657 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+sep-reducer.c [2022-07-19 18:34:38,669 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 18:34:38,670 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-07-19 18:34:38,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 18:34:38,817 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@7a7ab385, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2ac48441 [2022-07-19 18:34:38,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-07-19 18:34:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 18:34:38,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:38,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:38,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:38,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:38,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1092592849, now seen corresponding path program 1 times [2022-07-19 18:34:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:38,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485729532] [2022-07-19 18:34:38,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:38,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:39,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:39,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485729532] [2022-07-19 18:34:39,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485729532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:39,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:39,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915066549] [2022-07-19 18:34:39,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:39,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:39,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:39,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:39,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:39,489 INFO L87 Difference]: Start difference. First operand has 5467 states, 5437 states have (on average 1.7491263564465698) internal successors, (9510), 5466 states have internal predecessors, (9510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:42,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:42,353 INFO L93 Difference]: Finished difference Result 6032 states and 10392 transitions. [2022-07-19 18:34:42,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:42,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-19 18:34:42,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:42,388 INFO L225 Difference]: With dead ends: 6032 [2022-07-19 18:34:42,389 INFO L226 Difference]: Without dead ends: 3368 [2022-07-19 18:34:42,400 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 [2022-07-19 18:34:42,407 INFO L413 NwaCegarLoop]: 3160 mSDtfsCounter, 17014 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17014 SdHoareTripleChecker+Valid, 3238 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:42,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17014 Valid, 3238 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2600 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-19 18:34:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2022-07-19 18:34:42,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3368. [2022-07-19 18:34:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 3339 states have (on average 1.2961964660077867) internal successors, (4328), 3367 states have internal predecessors, (4328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4328 transitions. [2022-07-19 18:34:42,600 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4328 transitions. Word has length 102 [2022-07-19 18:34:42,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:42,601 INFO L495 AbstractCegarLoop]: Abstraction has 3368 states and 4328 transitions. [2022-07-19 18:34:42,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4328 transitions. [2022-07-19 18:34:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 18:34:42,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:42,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:42,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 18:34:42,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2083341886, now seen corresponding path program 1 times [2022-07-19 18:34:42,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:42,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130448676] [2022-07-19 18:34:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:42,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:42,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130448676] [2022-07-19 18:34:42,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130448676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:42,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:42,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:42,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693270556] [2022-07-19 18:34:42,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:42,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:42,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:42,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:42,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:42,893 INFO L87 Difference]: Start difference. First operand 3368 states and 4328 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:45,142 INFO L93 Difference]: Finished difference Result 4692 states and 6071 transitions. [2022-07-19 18:34:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:45,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-19 18:34:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:45,159 INFO L225 Difference]: With dead ends: 4692 [2022-07-19 18:34:45,159 INFO L226 Difference]: Without dead ends: 3112 [2022-07-19 18:34:45,163 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 [2022-07-19 18:34:45,164 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 11797 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2289 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:45,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11797 Valid, 1804 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2289 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 18:34:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2022-07-19 18:34:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 3112. [2022-07-19 18:34:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 3083 states have (on average 1.3100875770353553) internal successors, (4039), 3111 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4039 transitions. [2022-07-19 18:34:45,277 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4039 transitions. Word has length 102 [2022-07-19 18:34:45,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:45,278 INFO L495 AbstractCegarLoop]: Abstraction has 3112 states and 4039 transitions. [2022-07-19 18:34:45,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4039 transitions. [2022-07-19 18:34:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-19 18:34:45,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:45,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:45,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 18:34:45,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash -88773195, now seen corresponding path program 1 times [2022-07-19 18:34:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750153904] [2022-07-19 18:34:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:45,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:45,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750153904] [2022-07-19 18:34:45,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750153904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:45,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:45,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:45,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401200984] [2022-07-19 18:34:45,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:45,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:45,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:45,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:45,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:45,481 INFO L87 Difference]: Start difference. First operand 3112 states and 4039 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:48,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:48,291 INFO L93 Difference]: Finished difference Result 5599 states and 7322 transitions. [2022-07-19 18:34:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:48,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-19 18:34:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:48,307 INFO L225 Difference]: With dead ends: 5599 [2022-07-19 18:34:48,307 INFO L226 Difference]: Without dead ends: 4031 [2022-07-19 18:34:48,314 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 [2022-07-19 18:34:48,323 INFO L413 NwaCegarLoop]: 1729 mSDtfsCounter, 14042 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2737 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14042 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 2826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:48,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14042 Valid, 2596 Invalid, 2826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2737 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-19 18:34:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2022-07-19 18:34:48,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 3861. [2022-07-19 18:34:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 3832 states have (on average 1.3457724425887265) internal successors, (5157), 3860 states have internal predecessors, (5157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5157 transitions. [2022-07-19 18:34:48,542 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5157 transitions. Word has length 102 [2022-07-19 18:34:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:48,543 INFO L495 AbstractCegarLoop]: Abstraction has 3861 states and 5157 transitions. [2022-07-19 18:34:48,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5157 transitions. [2022-07-19 18:34:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-19 18:34:48,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:48,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:48,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 18:34:48,553 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:48,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:48,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2026696452, now seen corresponding path program 1 times [2022-07-19 18:34:48,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:48,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621806514] [2022-07-19 18:34:48,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:48,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:48,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:48,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621806514] [2022-07-19 18:34:48,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621806514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:48,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:48,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:48,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112228857] [2022-07-19 18:34:48,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:48,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:48,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:48,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:48,723 INFO L87 Difference]: Start difference. First operand 3861 states and 5157 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:50,164 INFO L93 Difference]: Finished difference Result 4930 states and 6593 transitions. [2022-07-19 18:34:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-07-19 18:34:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:50,175 INFO L225 Difference]: With dead ends: 4930 [2022-07-19 18:34:50,176 INFO L226 Difference]: Without dead ends: 3001 [2022-07-19 18:34:50,179 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 [2022-07-19 18:34:50,180 INFO L413 NwaCegarLoop]: 1393 mSDtfsCounter, 8234 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8234 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:50,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8234 Valid, 1421 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 18:34:50,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2022-07-19 18:34:50,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 3001. [2022-07-19 18:34:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2972 states have (on average 1.3617092866756393) internal successors, (4047), 3000 states have internal predecessors, (4047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4047 transitions. [2022-07-19 18:34:50,375 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4047 transitions. Word has length 104 [2022-07-19 18:34:50,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:50,375 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4047 transitions. [2022-07-19 18:34:50,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:50,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4047 transitions. [2022-07-19 18:34:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-19 18:34:50,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:50,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:50,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 18:34:50,383 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:50,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:50,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1689722247, now seen corresponding path program 1 times [2022-07-19 18:34:50,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:50,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783837725] [2022-07-19 18:34:50,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:50,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:50,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:50,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783837725] [2022-07-19 18:34:50,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783837725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:50,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:50,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:50,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063247578] [2022-07-19 18:34:50,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:50,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:50,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:50,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:50,540 INFO L87 Difference]: Start difference. First operand 3001 states and 4047 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:51,703 INFO L93 Difference]: Finished difference Result 4320 states and 5839 transitions. [2022-07-19 18:34:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-19 18:34:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:51,714 INFO L225 Difference]: With dead ends: 4320 [2022-07-19 18:34:51,714 INFO L226 Difference]: Without dead ends: 2772 [2022-07-19 18:34:51,719 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 [2022-07-19 18:34:51,719 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 7636 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7636 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:51,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7636 Valid, 1338 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 18:34:51,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2022-07-19 18:34:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2772. [2022-07-19 18:34:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2743 states have (on average 1.3722201968647467) internal successors, (3764), 2771 states have internal predecessors, (3764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3764 transitions. [2022-07-19 18:34:51,844 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3764 transitions. Word has length 106 [2022-07-19 18:34:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:51,844 INFO L495 AbstractCegarLoop]: Abstraction has 2772 states and 3764 transitions. [2022-07-19 18:34:51,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3764 transitions. [2022-07-19 18:34:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-19 18:34:51,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:51,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:51,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 18:34:51,851 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:51,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:51,852 INFO L85 PathProgramCache]: Analyzing trace with hash 790399219, now seen corresponding path program 1 times [2022-07-19 18:34:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:51,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561071619] [2022-07-19 18:34:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:51,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:51,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:51,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561071619] [2022-07-19 18:34:51,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561071619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:51,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:51,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393288019] [2022-07-19 18:34:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:51,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:51,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:51,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:51,974 INFO L87 Difference]: Start difference. First operand 2772 states and 3764 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:52,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:52,994 INFO L93 Difference]: Finished difference Result 3983 states and 5410 transitions. [2022-07-19 18:34:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:52,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-07-19 18:34:52,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:53,004 INFO L225 Difference]: With dead ends: 3983 [2022-07-19 18:34:53,004 INFO L226 Difference]: Without dead ends: 2551 [2022-07-19 18:34:53,007 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 [2022-07-19 18:34:53,008 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 7019 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 1168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:53,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7019 Valid, 1261 Invalid, 1168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 18:34:53,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2022-07-19 18:34:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2551. [2022-07-19 18:34:53,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2522 states have (on average 1.3794607454401269) internal successors, (3479), 2550 states have internal predecessors, (3479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3479 transitions. [2022-07-19 18:34:53,153 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3479 transitions. Word has length 108 [2022-07-19 18:34:53,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:53,154 INFO L495 AbstractCegarLoop]: Abstraction has 2551 states and 3479 transitions. [2022-07-19 18:34:53,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3479 transitions. [2022-07-19 18:34:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-19 18:34:53,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:53,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:53,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 18:34:53,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:53,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:53,161 INFO L85 PathProgramCache]: Analyzing trace with hash -457820444, now seen corresponding path program 1 times [2022-07-19 18:34:53,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:53,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457747245] [2022-07-19 18:34:53,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:53,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:53,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:53,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457747245] [2022-07-19 18:34:53,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457747245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:53,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:53,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 18:34:53,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858122873] [2022-07-19 18:34:53,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:53,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 18:34:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:53,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 18:34:53,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 18:34:53,328 INFO L87 Difference]: Start difference. First operand 2551 states and 3479 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:53,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:53,991 INFO L93 Difference]: Finished difference Result 2942 states and 3949 transitions. [2022-07-19 18:34:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 18:34:53,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-07-19 18:34:53,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:53,999 INFO L225 Difference]: With dead ends: 2942 [2022-07-19 18:34:54,000 INFO L226 Difference]: Without dead ends: 1734 [2022-07-19 18:34:54,002 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 [2022-07-19 18:34:54,003 INFO L413 NwaCegarLoop]: 841 mSDtfsCounter, 4595 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4595 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:54,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4595 Valid, 885 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-19 18:34:54,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-07-19 18:34:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-07-19 18:34:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3941348973607037) internal successors, (2377), 1733 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2377 transitions. [2022-07-19 18:34:54,103 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2377 transitions. Word has length 110 [2022-07-19 18:34:54,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:54,103 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2377 transitions. [2022-07-19 18:34:54,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:54,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2377 transitions. [2022-07-19 18:34:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:34:54,107 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:54,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:54,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 18:34:54,108 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:54,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:54,108 INFO L85 PathProgramCache]: Analyzing trace with hash 521947695, now seen corresponding path program 1 times [2022-07-19 18:34:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:54,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962459622] [2022-07-19 18:34:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:54,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:54,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962459622] [2022-07-19 18:34:54,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962459622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:54,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:54,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:34:54,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714389437] [2022-07-19 18:34:54,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:54,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:34:54,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:54,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:34:54,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:34:54,365 INFO L87 Difference]: Start difference. First operand 1734 states and 2377 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:56,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:56,854 INFO L93 Difference]: Finished difference Result 3636 states and 5023 transitions. [2022-07-19 18:34:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 18:34:56,855 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:34:56,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:56,866 INFO L225 Difference]: With dead ends: 3636 [2022-07-19 18:34:56,867 INFO L226 Difference]: Without dead ends: 3332 [2022-07-19 18:34:56,869 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 [2022-07-19 18:34:56,870 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 7463 mSDsluCounter, 4301 mSDsCounter, 0 mSdLazyCounter, 3836 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7463 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 3879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 3836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:56,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7463 Valid, 5252 Invalid, 3879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 3836 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 18:34:56,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-19 18:34:57,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 1738. [2022-07-19 18:34:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1738 states, 1709 states have (on average 1.393212404915155) internal successors, (2381), 1737 states have internal predecessors, (2381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1738 states and 2381 transitions. [2022-07-19 18:34:57,005 INFO L78 Accepts]: Start accepts. Automaton has 1738 states and 2381 transitions. Word has length 112 [2022-07-19 18:34:57,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:57,006 INFO L495 AbstractCegarLoop]: Abstraction has 1738 states and 2381 transitions. [2022-07-19 18:34:57,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2381 transitions. [2022-07-19 18:34:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:34:57,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:57,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:57,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 18:34:57,010 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:57,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1724419695, now seen corresponding path program 1 times [2022-07-19 18:34:57,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:57,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146492133] [2022-07-19 18:34:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:57,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:57,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:57,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146492133] [2022-07-19 18:34:57,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146492133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:57,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:57,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:34:57,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583537848] [2022-07-19 18:34:57,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:57,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:34:57,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:57,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:34:57,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:34:57,293 INFO L87 Difference]: Start difference. First operand 1738 states and 2381 transitions. Second operand has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:59,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:34:59,621 INFO L93 Difference]: Finished difference Result 3329 states and 4607 transitions. [2022-07-19 18:34:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:34:59,621 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:34:59,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:34:59,632 INFO L225 Difference]: With dead ends: 3329 [2022-07-19 18:34:59,632 INFO L226 Difference]: Without dead ends: 3102 [2022-07-19 18:34:59,634 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 [2022-07-19 18:34:59,634 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 7034 mSDsluCounter, 5287 mSDsCounter, 0 mSdLazyCounter, 4756 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7034 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 4822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 4756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 18:34:59,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7034 Valid, 6386 Invalid, 4822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 4756 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 18:34:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2022-07-19 18:34:59,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 1742. [2022-07-19 18:34:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3934617629889083) internal successors, (2387), 1741 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2387 transitions. [2022-07-19 18:34:59,769 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2387 transitions. Word has length 112 [2022-07-19 18:34:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:34:59,770 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2387 transitions. [2022-07-19 18:34:59,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 11 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:34:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2387 transitions. [2022-07-19 18:34:59,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:34:59,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:34:59,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:34:59,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 18:34:59,773 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:34:59,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:34:59,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1864219921, now seen corresponding path program 1 times [2022-07-19 18:34:59,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:34:59,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375442689] [2022-07-19 18:34:59,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:34:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:34:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:34:59,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:34:59,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:34:59,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375442689] [2022-07-19 18:34:59,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375442689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:34:59,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:34:59,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:34:59,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380654308] [2022-07-19 18:34:59,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:34:59,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:34:59,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:34:59,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:34:59,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:34:59,949 INFO L87 Difference]: Start difference. First operand 1742 states and 2387 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:01,619 INFO L93 Difference]: Finished difference Result 3339 states and 4639 transitions. [2022-07-19 18:35:01,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:35:01,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:01,626 INFO L225 Difference]: With dead ends: 3339 [2022-07-19 18:35:01,626 INFO L226 Difference]: Without dead ends: 3056 [2022-07-19 18:35:01,627 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 [2022-07-19 18:35:01,628 INFO L413 NwaCegarLoop]: 981 mSDtfsCounter, 9657 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9657 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:01,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9657 Valid, 4195 Invalid, 3130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 18:35:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-07-19 18:35:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 1742. [2022-07-19 18:35:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3928779918272038) internal successors, (2386), 1741 states have internal predecessors, (2386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2386 transitions. [2022-07-19 18:35:01,754 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2386 transitions. Word has length 112 [2022-07-19 18:35:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:01,754 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2386 transitions. [2022-07-19 18:35:01,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2386 transitions. [2022-07-19 18:35:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:35:01,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:01,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:01,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 18:35:01,757 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:01,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:01,758 INFO L85 PathProgramCache]: Analyzing trace with hash -326667601, now seen corresponding path program 1 times [2022-07-19 18:35:01,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:01,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318660911] [2022-07-19 18:35:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:01,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:01,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:01,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318660911] [2022-07-19 18:35:01,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318660911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:01,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:01,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 18:35:01,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175506749] [2022-07-19 18:35:01,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:01,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 18:35:01,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:01,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 18:35:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-19 18:35:01,950 INFO L87 Difference]: Start difference. First operand 1742 states and 2386 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:04,005 INFO L93 Difference]: Finished difference Result 3296 states and 4571 transitions. [2022-07-19 18:35:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 18:35:04,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:35:04,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:04,012 INFO L225 Difference]: With dead ends: 3296 [2022-07-19 18:35:04,012 INFO L226 Difference]: Without dead ends: 3017 [2022-07-19 18:35:04,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-19 18:35:04,014 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 6405 mSDsluCounter, 4990 mSDsCounter, 0 mSdLazyCounter, 4541 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6405 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 4541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:04,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6405 Valid, 6181 Invalid, 4601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 4541 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:35:04,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-19 18:35:04,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1742. [2022-07-19 18:35:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3917104495037944) internal successors, (2384), 1741 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2384 transitions. [2022-07-19 18:35:04,147 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2384 transitions. Word has length 112 [2022-07-19 18:35:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:04,147 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2384 transitions. [2022-07-19 18:35:04,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2384 transitions. [2022-07-19 18:35:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:35:04,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:04,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:04,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 18:35:04,151 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:04,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1796458449, now seen corresponding path program 1 times [2022-07-19 18:35:04,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:04,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810845955] [2022-07-19 18:35:04,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:04,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:04,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:04,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810845955] [2022-07-19 18:35:04,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810845955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:04,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:04,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 18:35:04,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724994678] [2022-07-19 18:35:04,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:04,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 18:35:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 18:35:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-19 18:35:04,344 INFO L87 Difference]: Start difference. First operand 1742 states and 2384 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:06,413 INFO L93 Difference]: Finished difference Result 3447 states and 4782 transitions. [2022-07-19 18:35:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 18:35:06,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:35:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:06,418 INFO L225 Difference]: With dead ends: 3447 [2022-07-19 18:35:06,419 INFO L226 Difference]: Without dead ends: 3048 [2022-07-19 18:35:06,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-19 18:35:06,420 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 7153 mSDsluCounter, 5116 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 6118 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:06,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 6118 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 4475 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:35:06,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2022-07-19 18:35:06,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 1742. [2022-07-19 18:35:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3905429071803852) internal successors, (2382), 1741 states have internal predecessors, (2382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2382 transitions. [2022-07-19 18:35:06,559 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2382 transitions. Word has length 112 [2022-07-19 18:35:06,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:06,559 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2382 transitions. [2022-07-19 18:35:06,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2382 transitions. [2022-07-19 18:35:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:35:06,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:06,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:06,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 18:35:06,562 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:06,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:06,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1362854767, now seen corresponding path program 1 times [2022-07-19 18:35:06,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:06,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827086273] [2022-07-19 18:35:06,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:06,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:06,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:06,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827086273] [2022-07-19 18:35:06,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827086273] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:06,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:06,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 18:35:06,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352533042] [2022-07-19 18:35:06,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:06,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 18:35:06,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:06,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 18:35:06,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-19 18:35:06,747 INFO L87 Difference]: Start difference. First operand 1742 states and 2382 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:08,611 INFO L93 Difference]: Finished difference Result 3501 states and 4844 transitions. [2022-07-19 18:35:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 18:35:08,612 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:35:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:08,617 INFO L225 Difference]: With dead ends: 3501 [2022-07-19 18:35:08,617 INFO L226 Difference]: Without dead ends: 3048 [2022-07-19 18:35:08,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-19 18:35:08,619 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 8178 mSDsluCounter, 3938 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8178 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 3591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:08,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8178 Valid, 4893 Invalid, 3591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 3545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:35:08,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3048 states. [2022-07-19 18:35:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3048 to 1742. [2022-07-19 18:35:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.389375364856976) internal successors, (2380), 1741 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2380 transitions. [2022-07-19 18:35:08,813 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2380 transitions. Word has length 112 [2022-07-19 18:35:08,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:08,813 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2380 transitions. [2022-07-19 18:35:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2380 transitions. [2022-07-19 18:35:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 18:35:08,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:08,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:08,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 18:35:08,816 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:08,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1393002159, now seen corresponding path program 1 times [2022-07-19 18:35:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:08,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951238161] [2022-07-19 18:35:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:09,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:09,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951238161] [2022-07-19 18:35:09,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951238161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:09,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:09,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 18:35:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959834871] [2022-07-19 18:35:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:09,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 18:35:09,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 18:35:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 18:35:09,037 INFO L87 Difference]: Start difference. First operand 1742 states and 2380 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:10,329 INFO L93 Difference]: Finished difference Result 3015 states and 3987 transitions. [2022-07-19 18:35:10,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 18:35:10,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2022-07-19 18:35:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:10,333 INFO L225 Difference]: With dead ends: 3015 [2022-07-19 18:35:10,333 INFO L226 Difference]: Without dead ends: 2284 [2022-07-19 18:35:10,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-07-19 18:35:10,335 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 8170 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8170 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:10,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8170 Valid, 1926 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 18:35:10,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2022-07-19 18:35:10,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1742. [2022-07-19 18:35:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1742 states, 1713 states have (on average 1.3887915936952715) internal successors, (2379), 1741 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 2379 transitions. [2022-07-19 18:35:10,485 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 2379 transitions. Word has length 112 [2022-07-19 18:35:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:10,485 INFO L495 AbstractCegarLoop]: Abstraction has 1742 states and 2379 transitions. [2022-07-19 18:35:10,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2379 transitions. [2022-07-19 18:35:10,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 18:35:10,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:10,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:10,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 18:35:10,489 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:10,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:10,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1682976688, now seen corresponding path program 1 times [2022-07-19 18:35:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:10,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48911072] [2022-07-19 18:35:10,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:10,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:10,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48911072] [2022-07-19 18:35:10,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48911072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:10,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:10,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:10,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259566220] [2022-07-19 18:35:10,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:10,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:10,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:10,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:10,699 INFO L87 Difference]: Start difference. First operand 1742 states and 2379 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:13,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:13,088 INFO L93 Difference]: Finished difference Result 3257 states and 4490 transitions. [2022-07-19 18:35:13,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:13,089 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-19 18:35:13,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:13,094 INFO L225 Difference]: With dead ends: 3257 [2022-07-19 18:35:13,094 INFO L226 Difference]: Without dead ends: 3064 [2022-07-19 18:35:13,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:13,096 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 4531 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4531 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:13,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4531 Valid, 6278 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 18:35:13,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3064 states. [2022-07-19 18:35:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3064 to 1746. [2022-07-19 18:35:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.3890506697728597) internal successors, (2385), 1745 states have internal predecessors, (2385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2385 transitions. [2022-07-19 18:35:13,338 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2385 transitions. Word has length 113 [2022-07-19 18:35:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:13,338 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2385 transitions. [2022-07-19 18:35:13,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2385 transitions. [2022-07-19 18:35:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 18:35:13,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:13,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:13,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 18:35:13,340 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash 551994640, now seen corresponding path program 1 times [2022-07-19 18:35:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:13,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914596620] [2022-07-19 18:35:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:13,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:13,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:13,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914596620] [2022-07-19 18:35:13,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914596620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:13,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:13,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:13,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839490035] [2022-07-19 18:35:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:13,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:13,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:13,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:13,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:13,507 INFO L87 Difference]: Start difference. First operand 1746 states and 2385 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:15,735 INFO L93 Difference]: Finished difference Result 3249 states and 4499 transitions. [2022-07-19 18:35:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:15,735 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-19 18:35:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:15,739 INFO L225 Difference]: With dead ends: 3249 [2022-07-19 18:35:15,739 INFO L226 Difference]: Without dead ends: 3029 [2022-07-19 18:35:15,740 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 [2022-07-19 18:35:15,741 INFO L413 NwaCegarLoop]: 1396 mSDtfsCounter, 5564 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 5921 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:15,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 5921 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:35:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-07-19 18:35:15,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 1746. [2022-07-19 18:35:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.388468258590565) internal successors, (2384), 1745 states have internal predecessors, (2384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2384 transitions. [2022-07-19 18:35:15,984 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2384 transitions. Word has length 113 [2022-07-19 18:35:15,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:15,985 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2384 transitions. [2022-07-19 18:35:15,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2384 transitions. [2022-07-19 18:35:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:15,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:15,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:15,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 18:35:15,989 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:15,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash 295312468, now seen corresponding path program 1 times [2022-07-19 18:35:15,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:15,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801866072] [2022-07-19 18:35:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:16,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:16,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801866072] [2022-07-19 18:35:16,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801866072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:16,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:16,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:16,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747819579] [2022-07-19 18:35:16,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:16,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:16,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:16,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:16,187 INFO L87 Difference]: Start difference. First operand 1746 states and 2384 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:18,882 INFO L93 Difference]: Finished difference Result 3371 states and 4637 transitions. [2022-07-19 18:35:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:18,883 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:18,888 INFO L225 Difference]: With dead ends: 3371 [2022-07-19 18:35:18,889 INFO L226 Difference]: Without dead ends: 3145 [2022-07-19 18:35:18,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:18,891 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 8685 mSDsluCounter, 6507 mSDsCounter, 0 mSdLazyCounter, 5810 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8685 SdHoareTripleChecker+Valid, 7645 SdHoareTripleChecker+Invalid, 5941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 5810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:18,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8685 Valid, 7645 Invalid, 5941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 5810 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-19 18:35:18,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3145 states. [2022-07-19 18:35:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3145 to 1770. [2022-07-19 18:35:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1741 states have (on average 1.388856978747846) internal successors, (2418), 1769 states have internal predecessors, (2418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:19,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2418 transitions. [2022-07-19 18:35:19,176 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2418 transitions. Word has length 114 [2022-07-19 18:35:19,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:19,176 INFO L495 AbstractCegarLoop]: Abstraction has 1770 states and 2418 transitions. [2022-07-19 18:35:19,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2418 transitions. [2022-07-19 18:35:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:19,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:19,179 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] [2022-07-19 18:35:19,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 18:35:19,179 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:19,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:19,179 INFO L85 PathProgramCache]: Analyzing trace with hash -484632556, now seen corresponding path program 1 times [2022-07-19 18:35:19,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:19,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082147515] [2022-07-19 18:35:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:19,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:19,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082147515] [2022-07-19 18:35:19,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082147515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:19,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:19,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:19,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358765952] [2022-07-19 18:35:19,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:19,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:19,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:19,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:19,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:19,368 INFO L87 Difference]: Start difference. First operand 1770 states and 2418 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:21,712 INFO L93 Difference]: Finished difference Result 3452 states and 4739 transitions. [2022-07-19 18:35:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:21,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:21,718 INFO L225 Difference]: With dead ends: 3452 [2022-07-19 18:35:21,718 INFO L226 Difference]: Without dead ends: 3219 [2022-07-19 18:35:21,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:21,720 INFO L413 NwaCegarLoop]: 1098 mSDtfsCounter, 10957 mSDsluCounter, 4747 mSDsCounter, 0 mSdLazyCounter, 4377 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10957 SdHoareTripleChecker+Valid, 5845 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 4377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:21,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10957 Valid, 5845 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 4377 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:35:21,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-07-19 18:35:22,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 1780. [2022-07-19 18:35:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1751 states have (on average 1.3866362078812107) internal successors, (2428), 1779 states have internal predecessors, (2428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2428 transitions. [2022-07-19 18:35:22,065 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2428 transitions. Word has length 114 [2022-07-19 18:35:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:22,065 INFO L495 AbstractCegarLoop]: Abstraction has 1780 states and 2428 transitions. [2022-07-19 18:35:22,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2428 transitions. [2022-07-19 18:35:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:22,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:22,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:22,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 18:35:22,069 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:22,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:22,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1667199956, now seen corresponding path program 1 times [2022-07-19 18:35:22,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:22,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399925591] [2022-07-19 18:35:22,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:22,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:22,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399925591] [2022-07-19 18:35:22,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399925591] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:22,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:22,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-19 18:35:22,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043087834] [2022-07-19 18:35:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:22,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 18:35:22,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:22,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 18:35:22,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-19 18:35:22,322 INFO L87 Difference]: Start difference. First operand 1780 states and 2428 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:24,453 INFO L93 Difference]: Finished difference Result 3018 states and 4180 transitions. [2022-07-19 18:35:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-19 18:35:24,453 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:24,456 INFO L225 Difference]: With dead ends: 3018 [2022-07-19 18:35:24,456 INFO L226 Difference]: Without dead ends: 2304 [2022-07-19 18:35:24,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-07-19 18:35:24,458 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 5862 mSDsluCounter, 4201 mSDsCounter, 0 mSdLazyCounter, 3936 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5862 SdHoareTripleChecker+Valid, 5288 SdHoareTripleChecker+Invalid, 3984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 3936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:24,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5862 Valid, 5288 Invalid, 3984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 3936 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:35:24,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-07-19 18:35:24,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 1746. [2022-07-19 18:35:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1717 states have (on average 1.3873034362259755) internal successors, (2382), 1745 states have internal predecessors, (2382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2382 transitions. [2022-07-19 18:35:24,694 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2382 transitions. Word has length 114 [2022-07-19 18:35:24,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:24,694 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2382 transitions. [2022-07-19 18:35:24,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2382 transitions. [2022-07-19 18:35:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:24,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:24,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:24,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 18:35:24,696 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:24,697 INFO L85 PathProgramCache]: Analyzing trace with hash 65024596, now seen corresponding path program 1 times [2022-07-19 18:35:24,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:24,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320147634] [2022-07-19 18:35:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:24,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:24,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:24,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:24,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320147634] [2022-07-19 18:35:24,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320147634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:24,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:24,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:24,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843195000] [2022-07-19 18:35:24,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:24,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:24,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:24,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:24,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:24,886 INFO L87 Difference]: Start difference. First operand 1746 states and 2382 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:27,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:27,677 INFO L93 Difference]: Finished difference Result 3270 states and 4500 transitions. [2022-07-19 18:35:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:27,681 INFO L225 Difference]: With dead ends: 3270 [2022-07-19 18:35:27,681 INFO L226 Difference]: Without dead ends: 3071 [2022-07-19 18:35:27,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:27,683 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 10220 mSDsluCounter, 5933 mSDsCounter, 0 mSdLazyCounter, 5409 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10220 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 5551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 5409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:27,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10220 Valid, 7072 Invalid, 5551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 5409 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-19 18:35:27,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2022-07-19 18:35:27,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 1755. [2022-07-19 18:35:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1726 states have (on average 1.3870220162224798) internal successors, (2394), 1754 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2394 transitions. [2022-07-19 18:35:27,915 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2394 transitions. Word has length 114 [2022-07-19 18:35:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:27,916 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2394 transitions. [2022-07-19 18:35:27,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2394 transitions. [2022-07-19 18:35:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:27,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:27,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:27,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 18:35:27,918 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:27,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1696345492, now seen corresponding path program 1 times [2022-07-19 18:35:27,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:27,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863258018] [2022-07-19 18:35:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:28,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:28,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863258018] [2022-07-19 18:35:28,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863258018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:28,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:28,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:28,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253392001] [2022-07-19 18:35:28,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:28,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:28,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:28,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:28,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:28,098 INFO L87 Difference]: Start difference. First operand 1755 states and 2394 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:31,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:31,168 INFO L93 Difference]: Finished difference Result 3445 states and 4737 transitions. [2022-07-19 18:35:31,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:31,168 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:31,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:31,172 INFO L225 Difference]: With dead ends: 3445 [2022-07-19 18:35:31,172 INFO L226 Difference]: Without dead ends: 3203 [2022-07-19 18:35:31,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:31,173 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 6304 mSDsluCounter, 7887 mSDsCounter, 0 mSdLazyCounter, 6786 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6304 SdHoareTripleChecker+Valid, 9353 SdHoareTripleChecker+Invalid, 6849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 6786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:31,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6304 Valid, 9353 Invalid, 6849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 6786 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-19 18:35:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2022-07-19 18:35:31,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 1755. [2022-07-19 18:35:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1726 states have (on average 1.3864426419466975) internal successors, (2393), 1754 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2393 transitions. [2022-07-19 18:35:31,383 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2393 transitions. Word has length 114 [2022-07-19 18:35:31,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:31,383 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2393 transitions. [2022-07-19 18:35:31,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2393 transitions. [2022-07-19 18:35:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:31,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:31,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:31,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 18:35:31,386 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:31,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:31,386 INFO L85 PathProgramCache]: Analyzing trace with hash 593772756, now seen corresponding path program 1 times [2022-07-19 18:35:31,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:31,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119185398] [2022-07-19 18:35:31,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:31,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:31,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119185398] [2022-07-19 18:35:31,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119185398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:31,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:31,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:31,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551569471] [2022-07-19 18:35:31,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:31,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:31,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:31,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:31,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:31,565 INFO L87 Difference]: Start difference. First operand 1755 states and 2393 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:34,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:34,140 INFO L93 Difference]: Finished difference Result 3301 states and 4540 transitions. [2022-07-19 18:35:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:34,142 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:34,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:34,145 INFO L225 Difference]: With dead ends: 3301 [2022-07-19 18:35:34,146 INFO L226 Difference]: Without dead ends: 3102 [2022-07-19 18:35:34,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:34,147 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 4519 mSDsluCounter, 5451 mSDsCounter, 0 mSdLazyCounter, 5076 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 6661 SdHoareTripleChecker+Invalid, 5146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 5076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:34,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4519 Valid, 6661 Invalid, 5146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 5076 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 18:35:34,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3102 states. [2022-07-19 18:35:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3102 to 1760. [2022-07-19 18:35:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3853264009243211) internal successors, (2398), 1759 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:34,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2398 transitions. [2022-07-19 18:35:34,361 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2398 transitions. Word has length 114 [2022-07-19 18:35:34,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:34,361 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2398 transitions. [2022-07-19 18:35:34,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2398 transitions. [2022-07-19 18:35:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:34,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:34,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:34,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-19 18:35:34,364 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:34,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash -13080044, now seen corresponding path program 1 times [2022-07-19 18:35:34,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:34,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986873227] [2022-07-19 18:35:34,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:34,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:34,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:34,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986873227] [2022-07-19 18:35:34,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986873227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:34,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:34,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:34,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149680205] [2022-07-19 18:35:34,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:34,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:34,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:34,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:34,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:34,504 INFO L87 Difference]: Start difference. First operand 1760 states and 2398 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:36,568 INFO L93 Difference]: Finished difference Result 3378 states and 4669 transitions. [2022-07-19 18:35:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:36,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:36,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:36,573 INFO L225 Difference]: With dead ends: 3378 [2022-07-19 18:35:36,573 INFO L226 Difference]: Without dead ends: 3074 [2022-07-19 18:35:36,574 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 [2022-07-19 18:35:36,575 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 8821 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8821 SdHoareTripleChecker+Valid, 5346 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:36,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8821 Valid, 5346 Invalid, 3874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:35:36,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3074 states. [2022-07-19 18:35:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3074 to 1760. [2022-07-19 18:35:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3847487001733103) internal successors, (2397), 1759 states have internal predecessors, (2397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2397 transitions. [2022-07-19 18:35:36,843 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2397 transitions. Word has length 114 [2022-07-19 18:35:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:36,843 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2397 transitions. [2022-07-19 18:35:36,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:36,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2397 transitions. [2022-07-19 18:35:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:36,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:36,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:36,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-19 18:35:36,845 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:36,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1189391956, now seen corresponding path program 1 times [2022-07-19 18:35:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:36,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101558532] [2022-07-19 18:35:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:36,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:36,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101558532] [2022-07-19 18:35:36,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101558532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:36,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:36,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:36,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414574253] [2022-07-19 18:35:36,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:36,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:36,991 INFO L87 Difference]: Start difference. First operand 1760 states and 2397 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:39,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:39,002 INFO L93 Difference]: Finished difference Result 3059 states and 4162 transitions. [2022-07-19 18:35:39,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:39,003 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:39,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:39,007 INFO L225 Difference]: With dead ends: 3059 [2022-07-19 18:35:39,007 INFO L226 Difference]: Without dead ends: 2883 [2022-07-19 18:35:39,008 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 [2022-07-19 18:35:39,008 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 8669 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 3109 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8669 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 3109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:39,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8669 Valid, 3864 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 3109 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:35:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2022-07-19 18:35:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 1760. [2022-07-19 18:35:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3841709994222993) internal successors, (2396), 1759 states have internal predecessors, (2396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2396 transitions. [2022-07-19 18:35:39,246 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2396 transitions. Word has length 114 [2022-07-19 18:35:39,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:39,246 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2396 transitions. [2022-07-19 18:35:39,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2396 transitions. [2022-07-19 18:35:39,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:39,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:39,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:39,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-19 18:35:39,248 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:39,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1486418668, now seen corresponding path program 1 times [2022-07-19 18:35:39,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:39,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417487266] [2022-07-19 18:35:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:39,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:39,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417487266] [2022-07-19 18:35:39,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417487266] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:39,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:39,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:39,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933395171] [2022-07-19 18:35:39,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:39,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:39,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:39,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:39,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:39,394 INFO L87 Difference]: Start difference. First operand 1760 states and 2396 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:41,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:41,685 INFO L93 Difference]: Finished difference Result 3280 states and 4528 transitions. [2022-07-19 18:35:41,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:41,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:41,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:41,689 INFO L225 Difference]: With dead ends: 3280 [2022-07-19 18:35:41,689 INFO L226 Difference]: Without dead ends: 3052 [2022-07-19 18:35:41,690 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 [2022-07-19 18:35:41,691 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 5371 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5371 SdHoareTripleChecker+Valid, 6091 SdHoareTripleChecker+Invalid, 4454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:41,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5371 Valid, 6091 Invalid, 4454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 18:35:41,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-07-19 18:35:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 1760. [2022-07-19 18:35:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3835932986712882) internal successors, (2395), 1759 states have internal predecessors, (2395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2395 transitions. [2022-07-19 18:35:41,948 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2395 transitions. Word has length 114 [2022-07-19 18:35:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:41,948 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2395 transitions. [2022-07-19 18:35:41,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2395 transitions. [2022-07-19 18:35:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-19 18:35:41,950 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:41,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:41,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-19 18:35:41,951 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:41,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:41,951 INFO L85 PathProgramCache]: Analyzing trace with hash -404323814, now seen corresponding path program 1 times [2022-07-19 18:35:41,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:41,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914191676] [2022-07-19 18:35:41,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:41,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:42,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:42,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914191676] [2022-07-19 18:35:42,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914191676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:42,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:42,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:42,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627868808] [2022-07-19 18:35:42,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:42,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:42,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:42,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:42,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:42,114 INFO L87 Difference]: Start difference. First operand 1760 states and 2395 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:44,183 INFO L93 Difference]: Finished difference Result 3150 states and 4323 transitions. [2022-07-19 18:35:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:44,184 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-19 18:35:44,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:44,187 INFO L225 Difference]: With dead ends: 3150 [2022-07-19 18:35:44,187 INFO L226 Difference]: Without dead ends: 2971 [2022-07-19 18:35:44,188 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 [2022-07-19 18:35:44,188 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 5168 mSDsluCounter, 3304 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5168 SdHoareTripleChecker+Valid, 4320 SdHoareTripleChecker+Invalid, 3413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:44,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5168 Valid, 4320 Invalid, 3413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:35:44,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2022-07-19 18:35:44,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 1760. [2022-07-19 18:35:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3830155979202774) internal successors, (2394), 1759 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2394 transitions. [2022-07-19 18:35:44,450 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2394 transitions. Word has length 114 [2022-07-19 18:35:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:44,450 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2394 transitions. [2022-07-19 18:35:44,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2394 transitions. [2022-07-19 18:35:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:44,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:44,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:44,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-19 18:35:44,454 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:44,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:44,454 INFO L85 PathProgramCache]: Analyzing trace with hash 519576363, now seen corresponding path program 1 times [2022-07-19 18:35:44,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:44,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114869460] [2022-07-19 18:35:44,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:44,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:44,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:44,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114869460] [2022-07-19 18:35:44,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114869460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:44,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:44,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:44,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005189906] [2022-07-19 18:35:44,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:44,609 INFO L87 Difference]: Start difference. First operand 1760 states and 2394 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:47,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:47,231 INFO L93 Difference]: Finished difference Result 3242 states and 4465 transitions. [2022-07-19 18:35:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:47,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:35:47,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:47,235 INFO L225 Difference]: With dead ends: 3242 [2022-07-19 18:35:47,235 INFO L226 Difference]: Without dead ends: 3024 [2022-07-19 18:35:47,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:35:47,236 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 7156 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 4544 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7156 SdHoareTripleChecker+Valid, 6217 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:47,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7156 Valid, 6217 Invalid, 4643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4544 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-19 18:35:47,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2022-07-19 18:35:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 1760. [2022-07-19 18:35:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1731 states have (on average 1.3818601964182553) internal successors, (2392), 1759 states have internal predecessors, (2392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 2392 transitions. [2022-07-19 18:35:47,535 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 2392 transitions. Word has length 115 [2022-07-19 18:35:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:47,535 INFO L495 AbstractCegarLoop]: Abstraction has 1760 states and 2392 transitions. [2022-07-19 18:35:47,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2392 transitions. [2022-07-19 18:35:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:47,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:47,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:47,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-19 18:35:47,538 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:47,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:47,539 INFO L85 PathProgramCache]: Analyzing trace with hash 650049387, now seen corresponding path program 1 times [2022-07-19 18:35:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:47,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686042815] [2022-07-19 18:35:47,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:47,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:47,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:47,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686042815] [2022-07-19 18:35:47,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686042815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:47,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:47,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:47,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134048104] [2022-07-19 18:35:47,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:47,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:47,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:47,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:47,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:47,741 INFO L87 Difference]: Start difference. First operand 1760 states and 2392 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:50,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:50,417 INFO L93 Difference]: Finished difference Result 3205 states and 4337 transitions. [2022-07-19 18:35:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:50,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:35:50,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:50,422 INFO L225 Difference]: With dead ends: 3205 [2022-07-19 18:35:50,422 INFO L226 Difference]: Without dead ends: 3032 [2022-07-19 18:35:50,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:50,424 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 7395 mSDsluCounter, 4471 mSDsCounter, 0 mSdLazyCounter, 4537 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7395 SdHoareTripleChecker+Valid, 5420 SdHoareTripleChecker+Invalid, 4866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 4537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:50,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7395 Valid, 5420 Invalid, 4866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 4537 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 18:35:50,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-07-19 18:35:50,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 1771. [2022-07-19 18:35:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1742 states have (on average 1.3823191733639495) internal successors, (2408), 1770 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2408 transitions. [2022-07-19 18:35:50,710 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2408 transitions. Word has length 115 [2022-07-19 18:35:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:50,710 INFO L495 AbstractCegarLoop]: Abstraction has 1771 states and 2408 transitions. [2022-07-19 18:35:50,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2408 transitions. [2022-07-19 18:35:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:50,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:50,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:50,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-19 18:35:50,712 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:50,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:50,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1603323979, now seen corresponding path program 1 times [2022-07-19 18:35:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:50,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919614718] [2022-07-19 18:35:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:50,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919614718] [2022-07-19 18:35:50,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919614718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:50,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:50,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:35:50,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675256998] [2022-07-19 18:35:50,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:50,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:35:50,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:50,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:35:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:35:50,879 INFO L87 Difference]: Start difference. First operand 1771 states and 2408 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:53,480 INFO L93 Difference]: Finished difference Result 3207 states and 4339 transitions. [2022-07-19 18:35:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-19 18:35:53,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:35:53,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:53,484 INFO L225 Difference]: With dead ends: 3207 [2022-07-19 18:35:53,484 INFO L226 Difference]: Without dead ends: 3034 [2022-07-19 18:35:53,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-19 18:35:53,485 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 8968 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 4208 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8968 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 4588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 4208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:53,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8968 Valid, 4923 Invalid, 4588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 4208 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:35:53,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2022-07-19 18:35:53,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 1785. [2022-07-19 18:35:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1756 states have (on average 1.382118451025057) internal successors, (2427), 1784 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2427 transitions. [2022-07-19 18:35:53,811 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2427 transitions. Word has length 115 [2022-07-19 18:35:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:53,811 INFO L495 AbstractCegarLoop]: Abstraction has 1785 states and 2427 transitions. [2022-07-19 18:35:53,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2427 transitions. [2022-07-19 18:35:53,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:53,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:53,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:53,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-19 18:35:53,814 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:53,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:53,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2105452661, now seen corresponding path program 1 times [2022-07-19 18:35:53,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:53,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182989522] [2022-07-19 18:35:53,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:53,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:53,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:53,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182989522] [2022-07-19 18:35:53,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182989522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:53,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:53,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:53,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772066058] [2022-07-19 18:35:53,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:53,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:53,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:53,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:53,962 INFO L87 Difference]: Start difference. First operand 1785 states and 2427 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:55,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:55,929 INFO L93 Difference]: Finished difference Result 2416 states and 3329 transitions. [2022-07-19 18:35:55,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:55,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:35:55,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:55,932 INFO L225 Difference]: With dead ends: 2416 [2022-07-19 18:35:55,932 INFO L226 Difference]: Without dead ends: 1997 [2022-07-19 18:35:55,932 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 [2022-07-19 18:35:55,936 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 5190 mSDsluCounter, 4072 mSDsCounter, 0 mSdLazyCounter, 3567 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5190 SdHoareTripleChecker+Valid, 5003 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:55,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5190 Valid, 5003 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3567 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:35:55,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2022-07-19 18:35:56,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1734. [2022-07-19 18:35:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3835777126099706) internal successors, (2359), 1733 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2359 transitions. [2022-07-19 18:35:56,227 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2359 transitions. Word has length 115 [2022-07-19 18:35:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:56,227 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2359 transitions. [2022-07-19 18:35:56,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2359 transitions. [2022-07-19 18:35:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:56,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:56,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:56,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-19 18:35:56,230 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:56,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:56,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1088967413, now seen corresponding path program 1 times [2022-07-19 18:35:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:56,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236320714] [2022-07-19 18:35:56,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:56,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:56,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236320714] [2022-07-19 18:35:56,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236320714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:56,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:56,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:56,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125348817] [2022-07-19 18:35:56,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:56,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:56,367 INFO L87 Difference]: Start difference. First operand 1734 states and 2359 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:35:58,577 INFO L93 Difference]: Finished difference Result 3186 states and 4391 transitions. [2022-07-19 18:35:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:35:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:35:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:35:58,580 INFO L225 Difference]: With dead ends: 3186 [2022-07-19 18:35:58,580 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:35:58,581 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 [2022-07-19 18:35:58,581 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 6307 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6307 SdHoareTripleChecker+Valid, 4774 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:35:58,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6307 Valid, 4774 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:35:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:35:58,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:35:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3829912023460411) internal successors, (2358), 1733 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2358 transitions. [2022-07-19 18:35:58,878 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2358 transitions. Word has length 115 [2022-07-19 18:35:58,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:35:58,879 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2358 transitions. [2022-07-19 18:35:58,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:35:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2358 transitions. [2022-07-19 18:35:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:35:58,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:35:58,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:35:58,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-19 18:35:58,882 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:35:58,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:35:58,883 INFO L85 PathProgramCache]: Analyzing trace with hash 2070030155, now seen corresponding path program 1 times [2022-07-19 18:35:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:35:58,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038487069] [2022-07-19 18:35:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:35:58,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:35:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:35:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:35:59,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:35:59,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038487069] [2022-07-19 18:35:59,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038487069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:35:59,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:35:59,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:35:59,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664627320] [2022-07-19 18:35:59,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:35:59,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:35:59,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:35:59,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:35:59,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:35:59,021 INFO L87 Difference]: Start difference. First operand 1734 states and 2358 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:01,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:01,434 INFO L93 Difference]: Finished difference Result 3244 states and 4477 transitions. [2022-07-19 18:36:01,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:01,434 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:36:01,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:01,437 INFO L225 Difference]: With dead ends: 3244 [2022-07-19 18:36:01,437 INFO L226 Difference]: Without dead ends: 3017 [2022-07-19 18:36:01,438 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 [2022-07-19 18:36:01,438 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 3667 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 4504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:01,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 6184 Invalid, 4504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4471 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 18:36:01,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-19 18:36:01,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1734. [2022-07-19 18:36:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3824046920821114) internal successors, (2357), 1733 states have internal predecessors, (2357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2357 transitions. [2022-07-19 18:36:01,740 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2357 transitions. Word has length 115 [2022-07-19 18:36:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:01,741 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2357 transitions. [2022-07-19 18:36:01,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:01,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2357 transitions. [2022-07-19 18:36:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:36:01,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:01,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:01,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-19 18:36:01,743 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:01,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1614159349, now seen corresponding path program 1 times [2022-07-19 18:36:01,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:01,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837517971] [2022-07-19 18:36:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:01,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:01,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:01,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837517971] [2022-07-19 18:36:01,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837517971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:01,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:01,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:01,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240180221] [2022-07-19 18:36:01,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:01,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:01,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:01,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:01,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:01,868 INFO L87 Difference]: Start difference. First operand 1734 states and 2357 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:04,163 INFO L93 Difference]: Finished difference Result 3187 states and 4390 transitions. [2022-07-19 18:36:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:04,164 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:36:04,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:04,167 INFO L225 Difference]: With dead ends: 3187 [2022-07-19 18:36:04,167 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:04,167 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 [2022-07-19 18:36:04,168 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 5957 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 3856 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5957 SdHoareTripleChecker+Valid, 5160 SdHoareTripleChecker+Invalid, 3947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:04,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5957 Valid, 5160 Invalid, 3947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3856 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:04,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3818181818181818) internal successors, (2356), 1733 states have internal predecessors, (2356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2356 transitions. [2022-07-19 18:36:04,472 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2356 transitions. Word has length 115 [2022-07-19 18:36:04,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:04,472 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2356 transitions. [2022-07-19 18:36:04,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2356 transitions. [2022-07-19 18:36:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:36:04,475 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:04,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:04,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-19 18:36:04,475 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:04,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:04,476 INFO L85 PathProgramCache]: Analyzing trace with hash -31670965, now seen corresponding path program 1 times [2022-07-19 18:36:04,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:04,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722424948] [2022-07-19 18:36:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:04,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:04,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:04,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722424948] [2022-07-19 18:36:04,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722424948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:04,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:04,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:04,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596751240] [2022-07-19 18:36:04,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:04,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:04,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:04,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:04,612 INFO L87 Difference]: Start difference. First operand 1734 states and 2356 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:06,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:06,772 INFO L93 Difference]: Finished difference Result 3030 states and 4117 transitions. [2022-07-19 18:36:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:06,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:36:06,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:06,775 INFO L225 Difference]: With dead ends: 3030 [2022-07-19 18:36:06,775 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:36:06,776 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 [2022-07-19 18:36:06,776 INFO L413 NwaCegarLoop]: 949 mSDtfsCounter, 4494 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4494 SdHoareTripleChecker+Valid, 3895 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:06,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4494 Valid, 3895 Invalid, 3336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 3102 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:36:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:36:07,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:36:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3812316715542523) internal successors, (2355), 1733 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:07,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2355 transitions. [2022-07-19 18:36:07,099 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2355 transitions. Word has length 115 [2022-07-19 18:36:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:07,100 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2355 transitions. [2022-07-19 18:36:07,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2355 transitions. [2022-07-19 18:36:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:36:07,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:07,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:07,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-19 18:36:07,103 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:07,103 INFO L85 PathProgramCache]: Analyzing trace with hash -890996981, now seen corresponding path program 1 times [2022-07-19 18:36:07,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:07,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118694534] [2022-07-19 18:36:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:07,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:07,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118694534] [2022-07-19 18:36:07,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118694534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:07,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:07,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:07,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834313831] [2022-07-19 18:36:07,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:07,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:07,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:07,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:07,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:07,241 INFO L87 Difference]: Start difference. First operand 1734 states and 2355 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:09,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:09,809 INFO L93 Difference]: Finished difference Result 3184 states and 4383 transitions. [2022-07-19 18:36:09,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:09,809 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:36:09,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:09,812 INFO L225 Difference]: With dead ends: 3184 [2022-07-19 18:36:09,812 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:09,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:36:09,813 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 7674 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 4276 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7674 SdHoareTripleChecker+Valid, 5874 SdHoareTripleChecker+Invalid, 4378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 4276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:09,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7674 Valid, 5874 Invalid, 4378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 4276 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:09,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3806451612903226) internal successors, (2354), 1733 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2354 transitions. [2022-07-19 18:36:10,137 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2354 transitions. Word has length 115 [2022-07-19 18:36:10,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:10,138 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2354 transitions. [2022-07-19 18:36:10,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2354 transitions. [2022-07-19 18:36:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 18:36:10,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:10,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:10,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-19 18:36:10,140 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:10,140 INFO L85 PathProgramCache]: Analyzing trace with hash 664895691, now seen corresponding path program 1 times [2022-07-19 18:36:10,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:10,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267158665] [2022-07-19 18:36:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:10,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:10,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267158665] [2022-07-19 18:36:10,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267158665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:10,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:10,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:10,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586905450] [2022-07-19 18:36:10,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:10,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:10,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:10,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:10,276 INFO L87 Difference]: Start difference. First operand 1734 states and 2354 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:12,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:12,915 INFO L93 Difference]: Finished difference Result 3122 states and 4278 transitions. [2022-07-19 18:36:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-19 18:36:12,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:12,918 INFO L225 Difference]: With dead ends: 3122 [2022-07-19 18:36:12,919 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:12,919 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 [2022-07-19 18:36:12,920 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 7352 mSDsluCounter, 4456 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7352 SdHoareTripleChecker+Valid, 5492 SdHoareTripleChecker+Invalid, 4241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:12,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7352 Valid, 5492 Invalid, 4241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 4053 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:13,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.380058651026393) internal successors, (2353), 1733 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2353 transitions. [2022-07-19 18:36:13,256 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2353 transitions. Word has length 115 [2022-07-19 18:36:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:13,257 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2353 transitions. [2022-07-19 18:36:13,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2353 transitions. [2022-07-19 18:36:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:13,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:13,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-19 18:36:13,260 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1624407687, now seen corresponding path program 1 times [2022-07-19 18:36:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:13,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327898039] [2022-07-19 18:36:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:13,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:13,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327898039] [2022-07-19 18:36:13,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327898039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:13,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:13,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:13,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306508302] [2022-07-19 18:36:13,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:13,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:13,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:13,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:13,414 INFO L87 Difference]: Start difference. First operand 1734 states and 2353 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:16,153 INFO L93 Difference]: Finished difference Result 3219 states and 4427 transitions. [2022-07-19 18:36:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:16,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:16,157 INFO L225 Difference]: With dead ends: 3219 [2022-07-19 18:36:16,158 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:16,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:36:16,159 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 7182 mSDsluCounter, 4914 mSDsCounter, 0 mSdLazyCounter, 4428 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7182 SdHoareTripleChecker+Valid, 6075 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 4428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:16,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7182 Valid, 6075 Invalid, 4528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 4428 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 18:36:16,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3788856304985337) internal successors, (2351), 1733 states have internal predecessors, (2351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2351 transitions. [2022-07-19 18:36:16,512 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2351 transitions. Word has length 116 [2022-07-19 18:36:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:16,512 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2351 transitions. [2022-07-19 18:36:16,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2351 transitions. [2022-07-19 18:36:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:16,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:16,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:16,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-19 18:36:16,514 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:16,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:16,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1890614585, now seen corresponding path program 1 times [2022-07-19 18:36:16,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:16,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6708356] [2022-07-19 18:36:16,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:16,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:16,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6708356] [2022-07-19 18:36:16,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6708356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:16,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:16,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:16,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509474774] [2022-07-19 18:36:16,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:16,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:16,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:16,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:16,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:16,656 INFO L87 Difference]: Start difference. First operand 1734 states and 2351 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:19,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:19,091 INFO L93 Difference]: Finished difference Result 3226 states and 4432 transitions. [2022-07-19 18:36:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:19,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:19,095 INFO L225 Difference]: With dead ends: 3226 [2022-07-19 18:36:19,095 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:19,096 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 [2022-07-19 18:36:19,096 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 6516 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 3496 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6516 SdHoareTripleChecker+Valid, 4798 SdHoareTripleChecker+Invalid, 3594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:19,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6516 Valid, 4798 Invalid, 3594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3496 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:19,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3777126099706745) internal successors, (2349), 1733 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2349 transitions. [2022-07-19 18:36:19,450 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2349 transitions. Word has length 116 [2022-07-19 18:36:19,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:19,450 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2349 transitions. [2022-07-19 18:36:19,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2349 transitions. [2022-07-19 18:36:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:19,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:19,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:19,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-19 18:36:19,452 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:19,452 INFO L85 PathProgramCache]: Analyzing trace with hash -252520199, now seen corresponding path program 1 times [2022-07-19 18:36:19,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:19,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046865407] [2022-07-19 18:36:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:19,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:19,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:19,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046865407] [2022-07-19 18:36:19,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046865407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:19,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:19,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:19,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104928421] [2022-07-19 18:36:19,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:19,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:19,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:19,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:19,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:19,587 INFO L87 Difference]: Start difference. First operand 1734 states and 2349 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:21,933 INFO L93 Difference]: Finished difference Result 3037 states and 4117 transitions. [2022-07-19 18:36:21,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:21,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:21,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:21,937 INFO L225 Difference]: With dead ends: 3037 [2022-07-19 18:36:21,937 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:36:21,938 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 [2022-07-19 18:36:21,938 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 6503 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 3100 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6503 SdHoareTripleChecker+Valid, 3914 SdHoareTripleChecker+Invalid, 3463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 3100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:21,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6503 Valid, 3914 Invalid, 3463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 3100 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:36:21,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:36:22,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:36:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3765395894428152) internal successors, (2347), 1733 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2347 transitions. [2022-07-19 18:36:22,304 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2347 transitions. Word has length 116 [2022-07-19 18:36:22,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:22,304 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2347 transitions. [2022-07-19 18:36:22,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2347 transitions. [2022-07-19 18:36:22,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:22,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:22,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:22,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-19 18:36:22,306 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:22,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:22,306 INFO L85 PathProgramCache]: Analyzing trace with hash 393927993, now seen corresponding path program 1 times [2022-07-19 18:36:22,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:22,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339925621] [2022-07-19 18:36:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:22,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:22,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:22,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339925621] [2022-07-19 18:36:22,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339925621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:22,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:22,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:22,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507028467] [2022-07-19 18:36:22,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:22,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:22,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:22,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:22,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:22,442 INFO L87 Difference]: Start difference. First operand 1734 states and 2347 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:25,117 INFO L93 Difference]: Finished difference Result 3214 states and 4410 transitions. [2022-07-19 18:36:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:25,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:25,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:25,121 INFO L225 Difference]: With dead ends: 3214 [2022-07-19 18:36:25,121 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:25,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:36:25,122 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 7168 mSDsluCounter, 4917 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7168 SdHoareTripleChecker+Valid, 6078 SdHoareTripleChecker+Invalid, 4507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:25,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7168 Valid, 6078 Invalid, 4507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:25,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3753665689149561) internal successors, (2345), 1733 states have internal predecessors, (2345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2345 transitions. [2022-07-19 18:36:25,501 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2345 transitions. Word has length 116 [2022-07-19 18:36:25,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:25,501 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2345 transitions. [2022-07-19 18:36:25,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2345 transitions. [2022-07-19 18:36:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:25,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:25,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:25,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-19 18:36:25,503 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:25,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:25,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1942997369, now seen corresponding path program 1 times [2022-07-19 18:36:25,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:25,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722330130] [2022-07-19 18:36:25,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:25,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:25,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:25,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722330130] [2022-07-19 18:36:25,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722330130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:25,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:25,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:25,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936093175] [2022-07-19 18:36:25,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:25,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:25,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:25,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:25,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:25,623 INFO L87 Difference]: Start difference. First operand 1734 states and 2345 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:28,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:28,308 INFO L93 Difference]: Finished difference Result 3297 states and 4529 transitions. [2022-07-19 18:36:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:28,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:28,312 INFO L225 Difference]: With dead ends: 3297 [2022-07-19 18:36:28,312 INFO L226 Difference]: Without dead ends: 3017 [2022-07-19 18:36:28,313 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 [2022-07-19 18:36:28,313 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 5321 mSDsluCounter, 4585 mSDsCounter, 0 mSdLazyCounter, 4328 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 6075 SdHoareTripleChecker+Invalid, 4377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 4328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:28,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 6075 Invalid, 4377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 4328 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:28,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-19 18:36:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1734. [2022-07-19 18:36:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3741935483870968) internal successors, (2343), 1733 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2343 transitions. [2022-07-19 18:36:28,721 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2343 transitions. Word has length 116 [2022-07-19 18:36:28,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:28,721 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2343 transitions. [2022-07-19 18:36:28,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2343 transitions. [2022-07-19 18:36:28,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:28,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:28,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-19 18:36:28,723 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1189995001, now seen corresponding path program 1 times [2022-07-19 18:36:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:28,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013654437] [2022-07-19 18:36:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:28,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:28,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013654437] [2022-07-19 18:36:28,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013654437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:28,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:28,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:28,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922320645] [2022-07-19 18:36:28,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:28,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:28,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:28,865 INFO L87 Difference]: Start difference. First operand 1734 states and 2343 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:31,414 INFO L93 Difference]: Finished difference Result 3214 states and 4406 transitions. [2022-07-19 18:36:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:31,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:31,418 INFO L225 Difference]: With dead ends: 3214 [2022-07-19 18:36:31,418 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:31,420 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 [2022-07-19 18:36:31,420 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 3873 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 3907 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3873 SdHoareTripleChecker+Valid, 5325 SdHoareTripleChecker+Invalid, 3967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 3907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:31,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3873 Valid, 5325 Invalid, 3967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 3907 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 18:36:31,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:31,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3730205278592376) internal successors, (2341), 1733 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2341 transitions. [2022-07-19 18:36:31,804 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2341 transitions. Word has length 116 [2022-07-19 18:36:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:31,805 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2341 transitions. [2022-07-19 18:36:31,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2341 transitions. [2022-07-19 18:36:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:31,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:31,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:31,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-19 18:36:31,807 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:31,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1930475273, now seen corresponding path program 1 times [2022-07-19 18:36:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:31,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847164753] [2022-07-19 18:36:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:31,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:31,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847164753] [2022-07-19 18:36:31,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847164753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:31,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:31,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:31,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269300612] [2022-07-19 18:36:31,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:31,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:31,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:31,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:31,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:31,944 INFO L87 Difference]: Start difference. First operand 1734 states and 2341 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:34,380 INFO L93 Difference]: Finished difference Result 3133 states and 4279 transitions. [2022-07-19 18:36:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:34,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:34,383 INFO L225 Difference]: With dead ends: 3133 [2022-07-19 18:36:34,383 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:34,384 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 [2022-07-19 18:36:34,384 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 8005 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 3556 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8005 SdHoareTripleChecker+Valid, 4817 SdHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 3556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:34,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8005 Valid, 4817 Invalid, 3790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 3556 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3718475073313783) internal successors, (2339), 1733 states have internal predecessors, (2339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2339 transitions. [2022-07-19 18:36:34,780 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2339 transitions. Word has length 116 [2022-07-19 18:36:34,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:34,780 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2339 transitions. [2022-07-19 18:36:34,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2339 transitions. [2022-07-19 18:36:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:34,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:34,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:34,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-19 18:36:34,783 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:34,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1299442937, now seen corresponding path program 1 times [2022-07-19 18:36:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:34,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559036709] [2022-07-19 18:36:34,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:34,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:34,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:34,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559036709] [2022-07-19 18:36:34,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559036709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:34,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:34,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:34,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706594162] [2022-07-19 18:36:34,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:34,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:34,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:34,904 INFO L87 Difference]: Start difference. First operand 1734 states and 2339 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:37,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:37,416 INFO L93 Difference]: Finished difference Result 3129 states and 4270 transitions. [2022-07-19 18:36:37,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:37,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:37,420 INFO L225 Difference]: With dead ends: 3129 [2022-07-19 18:36:37,420 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:37,421 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 [2022-07-19 18:36:37,421 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 4124 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3555 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4124 SdHoareTripleChecker+Valid, 4808 SdHoareTripleChecker+Invalid, 3670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 3555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:37,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4124 Valid, 4808 Invalid, 3670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 3555 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:37,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3712609970674488) internal successors, (2338), 1733 states have internal predecessors, (2338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2338 transitions. [2022-07-19 18:36:37,817 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2338 transitions. Word has length 116 [2022-07-19 18:36:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:37,817 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2338 transitions. [2022-07-19 18:36:37,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2338 transitions. [2022-07-19 18:36:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:37,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:37,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:37,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-19 18:36:37,819 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1364203463, now seen corresponding path program 1 times [2022-07-19 18:36:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:37,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806875985] [2022-07-19 18:36:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:37,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:37,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:37,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806875985] [2022-07-19 18:36:37,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806875985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:37,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:37,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:37,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222279779] [2022-07-19 18:36:37,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:37,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:37,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:37,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:37,946 INFO L87 Difference]: Start difference. First operand 1734 states and 2338 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:40,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:40,599 INFO L93 Difference]: Finished difference Result 3259 states and 4466 transitions. [2022-07-19 18:36:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:40,599 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:40,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:40,603 INFO L225 Difference]: With dead ends: 3259 [2022-07-19 18:36:40,603 INFO L226 Difference]: Without dead ends: 3017 [2022-07-19 18:36:40,604 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 [2022-07-19 18:36:40,605 INFO L413 NwaCegarLoop]: 1553 mSDtfsCounter, 3528 mSDsluCounter, 4758 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3528 SdHoareTripleChecker+Valid, 6311 SdHoareTripleChecker+Invalid, 4531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:40,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3528 Valid, 6311 Invalid, 4531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 4500 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 18:36:40,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-19 18:36:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1734. [2022-07-19 18:36:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.370674486803519) internal successors, (2337), 1733 states have internal predecessors, (2337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:41,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2337 transitions. [2022-07-19 18:36:41,030 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2337 transitions. Word has length 116 [2022-07-19 18:36:41,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:41,030 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2337 transitions. [2022-07-19 18:36:41,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2337 transitions. [2022-07-19 18:36:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:41,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:41,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:41,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-19 18:36:41,032 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:41,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:41,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1432156289, now seen corresponding path program 1 times [2022-07-19 18:36:41,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:41,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793169627] [2022-07-19 18:36:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:41,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:41,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793169627] [2022-07-19 18:36:41,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793169627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:41,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:41,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:41,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618169152] [2022-07-19 18:36:41,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:41,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:41,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:41,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:41,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:41,165 INFO L87 Difference]: Start difference. First operand 1734 states and 2337 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:43,901 INFO L93 Difference]: Finished difference Result 3124 states and 4262 transitions. [2022-07-19 18:36:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:43,901 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:43,905 INFO L225 Difference]: With dead ends: 3124 [2022-07-19 18:36:43,905 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:43,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:36:43,906 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 7087 mSDsluCounter, 4752 mSDsCounter, 0 mSdLazyCounter, 4277 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7087 SdHoareTripleChecker+Valid, 5893 SdHoareTripleChecker+Invalid, 4461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 4277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:43,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7087 Valid, 5893 Invalid, 4461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 4277 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:43,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3700879765395895) internal successors, (2336), 1733 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2336 transitions. [2022-07-19 18:36:44,336 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2336 transitions. Word has length 116 [2022-07-19 18:36:44,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:44,336 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2336 transitions. [2022-07-19 18:36:44,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2336 transitions. [2022-07-19 18:36:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:44,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:44,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:44,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-19 18:36:44,338 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:44,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:44,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1795174855, now seen corresponding path program 1 times [2022-07-19 18:36:44,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:44,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936128607] [2022-07-19 18:36:44,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:44,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:44,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:44,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:44,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936128607] [2022-07-19 18:36:44,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936128607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:44,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:44,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:44,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769715504] [2022-07-19 18:36:44,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:44,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:44,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:44,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:44,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:44,472 INFO L87 Difference]: Start difference. First operand 1734 states and 2336 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:47,075 INFO L93 Difference]: Finished difference Result 3129 states and 4265 transitions. [2022-07-19 18:36:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:47,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:47,079 INFO L225 Difference]: With dead ends: 3129 [2022-07-19 18:36:47,079 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:47,079 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 [2022-07-19 18:36:47,080 INFO L413 NwaCegarLoop]: 1141 mSDtfsCounter, 6064 mSDsluCounter, 3669 mSDsCounter, 0 mSdLazyCounter, 3542 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6064 SdHoareTripleChecker+Valid, 4810 SdHoareTripleChecker+Invalid, 3716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 3542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:47,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6064 Valid, 4810 Invalid, 3716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 3542 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:47,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:47,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3695014662756597) internal successors, (2335), 1733 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:47,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2335 transitions. [2022-07-19 18:36:47,492 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2335 transitions. Word has length 116 [2022-07-19 18:36:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:47,493 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2335 transitions. [2022-07-19 18:36:47,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2335 transitions. [2022-07-19 18:36:47,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:47,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:47,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:47,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-19 18:36:47,495 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:47,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash -2004694273, now seen corresponding path program 1 times [2022-07-19 18:36:47,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:47,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90162480] [2022-07-19 18:36:47,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:47,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:47,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:47,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90162480] [2022-07-19 18:36:47,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90162480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:47,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:47,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:47,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403137879] [2022-07-19 18:36:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:47,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:47,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:47,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:47,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:47,604 INFO L87 Difference]: Start difference. First operand 1734 states and 2335 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:50,163 INFO L93 Difference]: Finished difference Result 3187 states and 4359 transitions. [2022-07-19 18:36:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:50,166 INFO L225 Difference]: With dead ends: 3187 [2022-07-19 18:36:50,166 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:36:50,167 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 [2022-07-19 18:36:50,168 INFO L413 NwaCegarLoop]: 1340 mSDtfsCounter, 3887 mSDsluCounter, 4148 mSDsCounter, 0 mSdLazyCounter, 3968 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3887 SdHoareTripleChecker+Valid, 5488 SdHoareTripleChecker+Invalid, 4028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 3968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:50,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3887 Valid, 5488 Invalid, 4028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 3968 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:36:50,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:36:50,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:36:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3689149560117302) internal successors, (2334), 1733 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2334 transitions. [2022-07-19 18:36:50,591 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2334 transitions. Word has length 116 [2022-07-19 18:36:50,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:50,591 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2334 transitions. [2022-07-19 18:36:50,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2334 transitions. [2022-07-19 18:36:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-19 18:36:50,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:50,593 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:50,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-19 18:36:50,593 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:50,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:50,593 INFO L85 PathProgramCache]: Analyzing trace with hash -998360641, now seen corresponding path program 1 times [2022-07-19 18:36:50,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:50,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983546532] [2022-07-19 18:36:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:50,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:50,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:50,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983546532] [2022-07-19 18:36:50,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983546532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:50,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:50,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:50,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440311909] [2022-07-19 18:36:50,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:50,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:50,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:50,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:50,735 INFO L87 Difference]: Start difference. First operand 1734 states and 2334 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:53,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:53,545 INFO L93 Difference]: Finished difference Result 3124 states and 4258 transitions. [2022-07-19 18:36:53,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:53,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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 [2022-07-19 18:36:53,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:53,549 INFO L225 Difference]: With dead ends: 3124 [2022-07-19 18:36:53,549 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:36:53,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:36:53,550 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 7040 mSDsluCounter, 4805 mSDsCounter, 0 mSdLazyCounter, 4318 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7040 SdHoareTripleChecker+Valid, 5964 SdHoareTripleChecker+Invalid, 4501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 4318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:53,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7040 Valid, 5964 Invalid, 4501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 4318 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:36:53,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:36:53,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:36:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3683284457478007) internal successors, (2333), 1733 states have internal predecessors, (2333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2333 transitions. [2022-07-19 18:36:53,995 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2333 transitions. Word has length 116 [2022-07-19 18:36:53,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:53,995 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2333 transitions. [2022-07-19 18:36:53,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 8 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) [2022-07-19 18:36:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2333 transitions. [2022-07-19 18:36:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:36:53,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:53,997 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] [2022-07-19 18:36:53,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-19 18:36:53,997 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:53,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:53,998 INFO L85 PathProgramCache]: Analyzing trace with hash -13995130, now seen corresponding path program 1 times [2022-07-19 18:36:53,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:53,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777149244] [2022-07-19 18:36:53,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:53,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:54,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:54,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777149244] [2022-07-19 18:36:54,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777149244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:54,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:54,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:54,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291206450] [2022-07-19 18:36:54,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:54,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:54,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:54,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:54,111 INFO L87 Difference]: Start difference. First operand 1734 states and 2333 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:36:56,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:56,694 INFO L93 Difference]: Finished difference Result 3033 states and 4094 transitions. [2022-07-19 18:36:56,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:56,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:36:56,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:56,697 INFO L225 Difference]: With dead ends: 3033 [2022-07-19 18:36:56,697 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:36:56,698 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 [2022-07-19 18:36:56,699 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 8267 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 3173 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8267 SdHoareTripleChecker+Valid, 4076 SdHoareTripleChecker+Invalid, 3650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 3173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:56,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8267 Valid, 4076 Invalid, 3650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 3173 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:36:56,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:36:57,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:36:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3671554252199414) internal successors, (2331), 1733 states have internal predecessors, (2331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:36:57,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2331 transitions. [2022-07-19 18:36:57,134 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2331 transitions. Word has length 117 [2022-07-19 18:36:57,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:36:57,134 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2331 transitions. [2022-07-19 18:36:57,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:36:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2331 transitions. [2022-07-19 18:36:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:36:57,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:36:57,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:36:57,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-19 18:36:57,136 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:36:57,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:36:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash -608904954, now seen corresponding path program 1 times [2022-07-19 18:36:57,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:36:57,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480160614] [2022-07-19 18:36:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:36:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:36:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:36:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:36:57,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:36:57,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480160614] [2022-07-19 18:36:57,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480160614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:36:57,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:36:57,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:36:57,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366990341] [2022-07-19 18:36:57,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:36:57,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:36:57,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:36:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:36:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:36:57,245 INFO L87 Difference]: Start difference. First operand 1734 states and 2331 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:36:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:36:59,982 INFO L93 Difference]: Finished difference Result 3316 states and 4533 transitions. [2022-07-19 18:36:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:36:59,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:36:59,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:36:59,986 INFO L225 Difference]: With dead ends: 3316 [2022-07-19 18:36:59,986 INFO L226 Difference]: Without dead ends: 3017 [2022-07-19 18:36:59,987 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 [2022-07-19 18:36:59,988 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 5221 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 4360 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 6167 SdHoareTripleChecker+Invalid, 4407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 4360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 18:36:59,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 6167 Invalid, 4407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 4360 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 18:36:59,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-07-19 18:37:00,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 1734. [2022-07-19 18:37:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.365982404692082) internal successors, (2329), 1733 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2329 transitions. [2022-07-19 18:37:00,456 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2329 transitions. Word has length 117 [2022-07-19 18:37:00,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:00,456 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2329 transitions. [2022-07-19 18:37:00,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2329 transitions. [2022-07-19 18:37:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:00,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:00,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:00,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-19 18:37:00,459 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:00,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:00,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1059843514, now seen corresponding path program 1 times [2022-07-19 18:37:00,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:00,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668717418] [2022-07-19 18:37:00,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:00,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:00,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:00,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668717418] [2022-07-19 18:37:00,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668717418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:00,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:00,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:00,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062720609] [2022-07-19 18:37:00,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:00,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:00,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:00,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:00,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:00,579 INFO L87 Difference]: Start difference. First operand 1734 states and 2329 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:03,091 INFO L93 Difference]: Finished difference Result 3033 states and 4088 transitions. [2022-07-19 18:37:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:03,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:03,095 INFO L225 Difference]: With dead ends: 3033 [2022-07-19 18:37:03,095 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:03,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:37:03,097 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 4353 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 3160 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4353 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 3160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:03,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4353 Valid, 4081 Invalid, 3388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 3160 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:03,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3648093841642228) internal successors, (2327), 1733 states have internal predecessors, (2327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2327 transitions. [2022-07-19 18:37:03,573 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2327 transitions. Word has length 117 [2022-07-19 18:37:03,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:03,573 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2327 transitions. [2022-07-19 18:37:03,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2327 transitions. [2022-07-19 18:37:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:03,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:03,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:03,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-19 18:37:03,575 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2146234374, now seen corresponding path program 1 times [2022-07-19 18:37:03,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:03,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527120545] [2022-07-19 18:37:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:03,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527120545] [2022-07-19 18:37:03,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527120545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:03,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:03,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393413672] [2022-07-19 18:37:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:03,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:03,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:03,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:03,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:03,723 INFO L87 Difference]: Start difference. First operand 1734 states and 2327 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:06,712 INFO L93 Difference]: Finished difference Result 3135 states and 4265 transitions. [2022-07-19 18:37:06,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:06,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:06,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:06,715 INFO L225 Difference]: With dead ends: 3135 [2022-07-19 18:37:06,715 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:06,715 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 [2022-07-19 18:37:06,716 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 6926 mSDsluCounter, 4967 mSDsCounter, 0 mSdLazyCounter, 4480 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6926 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 4661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 4480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:06,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6926 Valid, 6181 Invalid, 4661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 4480 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 18:37:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3636363636363635) internal successors, (2325), 1733 states have internal predecessors, (2325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2325 transitions. [2022-07-19 18:37:07,177 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2325 transitions. Word has length 117 [2022-07-19 18:37:07,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:07,177 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2325 transitions. [2022-07-19 18:37:07,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2325 transitions. [2022-07-19 18:37:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:07,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:07,179 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] [2022-07-19 18:37:07,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-19 18:37:07,179 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:07,180 INFO L85 PathProgramCache]: Analyzing trace with hash -358231066, now seen corresponding path program 1 times [2022-07-19 18:37:07,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:07,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168008490] [2022-07-19 18:37:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:07,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168008490] [2022-07-19 18:37:07,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168008490] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:07,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:07,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:07,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28538997] [2022-07-19 18:37:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:07,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:07,298 INFO L87 Difference]: Start difference. First operand 1734 states and 2325 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:09,766 INFO L93 Difference]: Finished difference Result 3033 states and 4082 transitions. [2022-07-19 18:37:09,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:09,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:09,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:09,770 INFO L225 Difference]: With dead ends: 3033 [2022-07-19 18:37:09,770 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:09,770 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 [2022-07-19 18:37:09,771 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 4333 mSDsluCounter, 3104 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4333 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 3402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:09,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4333 Valid, 4108 Invalid, 3402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 3175 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 18:37:09,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:10,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3624633431085045) internal successors, (2323), 1733 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2323 transitions. [2022-07-19 18:37:10,259 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2323 transitions. Word has length 117 [2022-07-19 18:37:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:10,259 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2323 transitions. [2022-07-19 18:37:10,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2323 transitions. [2022-07-19 18:37:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:10,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:10,261 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-19 18:37:10,262 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:10,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1273802438, now seen corresponding path program 1 times [2022-07-19 18:37:10,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:10,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256798626] [2022-07-19 18:37:10,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:10,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:10,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:10,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256798626] [2022-07-19 18:37:10,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256798626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:10,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:10,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:10,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554700546] [2022-07-19 18:37:10,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:10,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:10,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:10,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:10,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:10,389 INFO L87 Difference]: Start difference. First operand 1734 states and 2323 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:13,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:13,058 INFO L93 Difference]: Finished difference Result 3029 states and 4074 transitions. [2022-07-19 18:37:13,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:13,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:13,062 INFO L225 Difference]: With dead ends: 3029 [2022-07-19 18:37:13,062 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:13,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-19 18:37:13,063 INFO L413 NwaCegarLoop]: 1003 mSDtfsCounter, 8193 mSDsluCounter, 3106 mSDsCounter, 0 mSdLazyCounter, 3173 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8193 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 3173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:13,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8193 Valid, 4109 Invalid, 3647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 3173 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3612903225806452) internal successors, (2321), 1733 states have internal predecessors, (2321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2321 transitions. [2022-07-19 18:37:13,567 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2321 transitions. Word has length 117 [2022-07-19 18:37:13,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:13,568 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2321 transitions. [2022-07-19 18:37:13,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2321 transitions. [2022-07-19 18:37:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:13,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:13,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:13,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-19 18:37:13,570 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:13,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:13,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1860035750, now seen corresponding path program 1 times [2022-07-19 18:37:13,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:13,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221352202] [2022-07-19 18:37:13,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:13,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:13,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221352202] [2022-07-19 18:37:13,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221352202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:13,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:13,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:13,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850870650] [2022-07-19 18:37:13,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:13,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:13,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:13,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:13,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:13,689 INFO L87 Difference]: Start difference. First operand 1734 states and 2321 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:16,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:16,372 INFO L93 Difference]: Finished difference Result 3192 states and 4346 transitions. [2022-07-19 18:37:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:16,375 INFO L225 Difference]: With dead ends: 3192 [2022-07-19 18:37:16,375 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:37:16,376 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 [2022-07-19 18:37:16,376 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 5825 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 3818 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5825 SdHoareTripleChecker+Valid, 5465 SdHoareTripleChecker+Invalid, 3909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 3818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:16,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5825 Valid, 5465 Invalid, 3909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 3818 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:16,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:37:16,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:37:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3607038123167154) internal successors, (2320), 1733 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2320 transitions. [2022-07-19 18:37:16,865 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2320 transitions. Word has length 117 [2022-07-19 18:37:16,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:16,865 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2320 transitions. [2022-07-19 18:37:16,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2320 transitions. [2022-07-19 18:37:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:16,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:16,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:16,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-07-19 18:37:16,869 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:16,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:16,869 INFO L85 PathProgramCache]: Analyzing trace with hash 262312294, now seen corresponding path program 1 times [2022-07-19 18:37:16,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:16,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049180132] [2022-07-19 18:37:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:17,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049180132] [2022-07-19 18:37:17,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049180132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:17,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:17,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:17,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584717851] [2022-07-19 18:37:17,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:17,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:17,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:17,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:17,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:17,006 INFO L87 Difference]: Start difference. First operand 1734 states and 2320 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:20,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:20,049 INFO L93 Difference]: Finished difference Result 3125 states and 4243 transitions. [2022-07-19 18:37:20,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:20,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:20,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:20,053 INFO L225 Difference]: With dead ends: 3125 [2022-07-19 18:37:20,053 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:20,054 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 [2022-07-19 18:37:20,054 INFO L413 NwaCegarLoop]: 1237 mSDtfsCounter, 6871 mSDsluCounter, 5034 mSDsCounter, 0 mSdLazyCounter, 4511 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6871 SdHoareTripleChecker+Valid, 6271 SdHoareTripleChecker+Invalid, 4691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 4511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:20,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6871 Valid, 6271 Invalid, 4691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 4511 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-19 18:37:20,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.360117302052786) internal successors, (2319), 1733 states have internal predecessors, (2319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2319 transitions. [2022-07-19 18:37:20,592 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2319 transitions. Word has length 117 [2022-07-19 18:37:20,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:20,593 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2319 transitions. [2022-07-19 18:37:20,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2319 transitions. [2022-07-19 18:37:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:20,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:20,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:20,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-07-19 18:37:20,595 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:20,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:20,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1215586886, now seen corresponding path program 1 times [2022-07-19 18:37:20,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:20,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687686874] [2022-07-19 18:37:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:20,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:20,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:20,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687686874] [2022-07-19 18:37:20,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687686874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:20,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:20,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:20,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445272217] [2022-07-19 18:37:20,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:20,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:20,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:20,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:20,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:20,702 INFO L87 Difference]: Start difference. First operand 1734 states and 2319 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:23,417 INFO L93 Difference]: Finished difference Result 3125 states and 4242 transitions. [2022-07-19 18:37:23,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:23,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:23,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:23,420 INFO L225 Difference]: With dead ends: 3125 [2022-07-19 18:37:23,420 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:23,421 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 [2022-07-19 18:37:23,421 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 5727 mSDsluCounter, 3910 mSDsCounter, 0 mSdLazyCounter, 3771 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 5161 SdHoareTripleChecker+Invalid, 3940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 3771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:23,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 5161 Invalid, 3940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 3771 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:23,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3595307917888564) internal successors, (2318), 1733 states have internal predecessors, (2318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2318 transitions. [2022-07-19 18:37:23,924 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2318 transitions. Word has length 117 [2022-07-19 18:37:23,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:23,924 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2318 transitions. [2022-07-19 18:37:23,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:23,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2318 transitions. [2022-07-19 18:37:23,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:23,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:23,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:23,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-07-19 18:37:23,926 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:23,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1801777542, now seen corresponding path program 1 times [2022-07-19 18:37:23,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:23,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25769335] [2022-07-19 18:37:23,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:23,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:24,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:24,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25769335] [2022-07-19 18:37:24,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25769335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:24,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:24,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336927254] [2022-07-19 18:37:24,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:24,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:24,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:24,041 INFO L87 Difference]: Start difference. First operand 1734 states and 2318 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:26,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:26,754 INFO L93 Difference]: Finished difference Result 3028 states and 4068 transitions. [2022-07-19 18:37:26,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:26,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:26,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:26,758 INFO L225 Difference]: With dead ends: 3028 [2022-07-19 18:37:26,758 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:26,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-19 18:37:26,759 INFO L413 NwaCegarLoop]: 1019 mSDtfsCounter, 8098 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 3198 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8098 SdHoareTripleChecker+Valid, 4171 SdHoareTripleChecker+Invalid, 3666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 3198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:26,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8098 Valid, 4171 Invalid, 3666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 3198 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3589442815249266) internal successors, (2317), 1733 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2317 transitions. [2022-07-19 18:37:27,302 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2317 transitions. Word has length 117 [2022-07-19 18:37:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:27,302 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2317 transitions. [2022-07-19 18:37:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:27,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2317 transitions. [2022-07-19 18:37:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:27,303 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:27,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:27,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-07-19 18:37:27,304 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash -144446999, now seen corresponding path program 1 times [2022-07-19 18:37:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:27,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098675883] [2022-07-19 18:37:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:27,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:27,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098675883] [2022-07-19 18:37:27,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098675883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:27,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:27,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275579073] [2022-07-19 18:37:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:27,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:27,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:27,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:27,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:27,439 INFO L87 Difference]: Start difference. First operand 1734 states and 2317 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:30,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:30,410 INFO L93 Difference]: Finished difference Result 3123 states and 4237 transitions. [2022-07-19 18:37:30,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:30,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:30,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:30,413 INFO L225 Difference]: With dead ends: 3123 [2022-07-19 18:37:30,413 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:30,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:37:30,414 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 6954 mSDsluCounter, 4873 mSDsCounter, 0 mSdLazyCounter, 4319 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6954 SdHoareTripleChecker+Valid, 6055 SdHoareTripleChecker+Invalid, 4501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 4319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:30,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6954 Valid, 6055 Invalid, 4501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 4319 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:37:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.358357771260997) internal successors, (2316), 1733 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2316 transitions. [2022-07-19 18:37:30,926 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2316 transitions. Word has length 117 [2022-07-19 18:37:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:30,926 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2316 transitions. [2022-07-19 18:37:30,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2316 transitions. [2022-07-19 18:37:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:30,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:30,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:30,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-07-19 18:37:30,929 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:30,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:30,929 INFO L85 PathProgramCache]: Analyzing trace with hash 397967046, now seen corresponding path program 1 times [2022-07-19 18:37:30,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:30,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189596409] [2022-07-19 18:37:30,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:31,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189596409] [2022-07-19 18:37:31,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189596409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:31,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:31,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58502818] [2022-07-19 18:37:31,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:31,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:31,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:31,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:31,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:31,064 INFO L87 Difference]: Start difference. First operand 1734 states and 2316 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:33,849 INFO L93 Difference]: Finished difference Result 3192 states and 4341 transitions. [2022-07-19 18:37:33,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:33,850 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:33,853 INFO L225 Difference]: With dead ends: 3192 [2022-07-19 18:37:33,853 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:37:33,854 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 [2022-07-19 18:37:33,854 INFO L413 NwaCegarLoop]: 1397 mSDtfsCounter, 3763 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 4034 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3763 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 4034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:33,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3763 Valid, 5713 Invalid, 4093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 4034 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:37:34,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:37:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3577712609970674) internal successors, (2315), 1733 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2315 transitions. [2022-07-19 18:37:34,384 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2315 transitions. Word has length 117 [2022-07-19 18:37:34,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2315 transitions. [2022-07-19 18:37:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2315 transitions. [2022-07-19 18:37:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:34,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:34,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:34,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-07-19 18:37:34,387 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:34,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash -523647834, now seen corresponding path program 1 times [2022-07-19 18:37:34,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:34,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313171726] [2022-07-19 18:37:34,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:34,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:34,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313171726] [2022-07-19 18:37:34,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313171726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:34,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:34,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785443533] [2022-07-19 18:37:34,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:34,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:34,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:34,495 INFO L87 Difference]: Start difference. First operand 1734 states and 2315 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:37,205 INFO L93 Difference]: Finished difference Result 3030 states and 4067 transitions. [2022-07-19 18:37:37,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:37,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:37,208 INFO L225 Difference]: With dead ends: 3030 [2022-07-19 18:37:37,208 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:37,208 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 [2022-07-19 18:37:37,209 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 4273 mSDsluCounter, 3166 mSDsCounter, 0 mSdLazyCounter, 3205 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4273 SdHoareTripleChecker+Valid, 4192 SdHoareTripleChecker+Invalid, 3429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 3205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:37,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4273 Valid, 4192 Invalid, 3429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 3205 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:37,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:37,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3571847507331378) internal successors, (2314), 1733 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:37,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2314 transitions. [2022-07-19 18:37:37,732 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2314 transitions. Word has length 117 [2022-07-19 18:37:37,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:37,733 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2314 transitions. [2022-07-19 18:37:37,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2314 transitions. [2022-07-19 18:37:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:37,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:37,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:37,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-07-19 18:37:37,735 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1380950854, now seen corresponding path program 1 times [2022-07-19 18:37:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:37,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689104567] [2022-07-19 18:37:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:37,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:37,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:37,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689104567] [2022-07-19 18:37:37,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689104567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:37,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:37,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:37,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125984467] [2022-07-19 18:37:37,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:37,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:37,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:37,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:37,851 INFO L87 Difference]: Start difference. First operand 1734 states and 2314 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:40,709 INFO L93 Difference]: Finished difference Result 3125 states and 4236 transitions. [2022-07-19 18:37:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:40,709 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:40,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:40,712 INFO L225 Difference]: With dead ends: 3125 [2022-07-19 18:37:40,712 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:40,713 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 [2022-07-19 18:37:40,713 INFO L413 NwaCegarLoop]: 1274 mSDtfsCounter, 7471 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 3798 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7471 SdHoareTripleChecker+Valid, 5254 SdHoareTripleChecker+Invalid, 4021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:40,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7471 Valid, 5254 Invalid, 4021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3798 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:40,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3565982404692083) internal successors, (2313), 1733 states have internal predecessors, (2313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2313 transitions. [2022-07-19 18:37:41,262 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2313 transitions. Word has length 117 [2022-07-19 18:37:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:41,262 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2313 transitions. [2022-07-19 18:37:41,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2313 transitions. [2022-07-19 18:37:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:41,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:41,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:41,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-07-19 18:37:41,264 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1605934662, now seen corresponding path program 1 times [2022-07-19 18:37:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:41,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48392121] [2022-07-19 18:37:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:41,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:41,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48392121] [2022-07-19 18:37:41,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48392121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:41,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:41,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:41,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929364373] [2022-07-19 18:37:41,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:41,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:41,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:41,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:41,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:41,392 INFO L87 Difference]: Start difference. First operand 1734 states and 2313 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:44,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:44,189 INFO L93 Difference]: Finished difference Result 3028 states and 4062 transitions. [2022-07-19 18:37:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:44,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:44,193 INFO L225 Difference]: With dead ends: 3028 [2022-07-19 18:37:44,193 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:44,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-19 18:37:44,195 INFO L413 NwaCegarLoop]: 1033 mSDtfsCounter, 8002 mSDsluCounter, 3192 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8002 SdHoareTripleChecker+Valid, 4225 SdHoareTripleChecker+Invalid, 3680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:44,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8002 Valid, 4225 Invalid, 3680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 3218 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:44,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:44,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3560117302052785) internal successors, (2312), 1733 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2312 transitions. [2022-07-19 18:37:44,747 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2312 transitions. Word has length 117 [2022-07-19 18:37:44,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:44,747 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2312 transitions. [2022-07-19 18:37:44,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2312 transitions. [2022-07-19 18:37:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:44,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:44,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:44,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-07-19 18:37:44,750 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:44,750 INFO L85 PathProgramCache]: Analyzing trace with hash 424439974, now seen corresponding path program 1 times [2022-07-19 18:37:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:44,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628447893] [2022-07-19 18:37:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:44,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:44,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:44,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628447893] [2022-07-19 18:37:44,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628447893] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:44,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:44,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220930752] [2022-07-19 18:37:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:44,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:44,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:44,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:44,858 INFO L87 Difference]: Start difference. First operand 1734 states and 2312 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:47,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:47,754 INFO L93 Difference]: Finished difference Result 3192 states and 4334 transitions. [2022-07-19 18:37:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:47,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:47,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:47,758 INFO L225 Difference]: With dead ends: 3192 [2022-07-19 18:37:47,758 INFO L226 Difference]: Without dead ends: 2993 [2022-07-19 18:37:47,759 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 [2022-07-19 18:37:47,759 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 4603 mSDsluCounter, 4409 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4603 SdHoareTripleChecker+Valid, 5818 SdHoareTripleChecker+Invalid, 4127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:47,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4603 Valid, 5818 Invalid, 4127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 4053 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2022-07-19 18:37:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 1734. [2022-07-19 18:37:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.355425219941349) internal successors, (2311), 1733 states have internal predecessors, (2311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2311 transitions. [2022-07-19 18:37:48,335 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2311 transitions. Word has length 117 [2022-07-19 18:37:48,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:48,335 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2311 transitions. [2022-07-19 18:37:48,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:48,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2311 transitions. [2022-07-19 18:37:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:48,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:48,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:48,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-07-19 18:37:48,339 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:48,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:48,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1152680474, now seen corresponding path program 1 times [2022-07-19 18:37:48,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:48,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834302415] [2022-07-19 18:37:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:48,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:48,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834302415] [2022-07-19 18:37:48,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834302415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:48,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:48,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:48,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744687424] [2022-07-19 18:37:48,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:48,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:48,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:48,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:48,473 INFO L87 Difference]: Start difference. First operand 1734 states and 2311 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:51,570 INFO L93 Difference]: Finished difference Result 3125 states and 4232 transitions. [2022-07-19 18:37:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:51,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:51,574 INFO L225 Difference]: With dead ends: 3125 [2022-07-19 18:37:51,574 INFO L226 Difference]: Without dead ends: 2945 [2022-07-19 18:37:51,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-19 18:37:51,575 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 6856 mSDsluCounter, 5002 mSDsCounter, 0 mSdLazyCounter, 4400 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6856 SdHoareTripleChecker+Valid, 6228 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 4400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:51,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6856 Valid, 6228 Invalid, 4580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 4400 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-19 18:37:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2945 states. [2022-07-19 18:37:52,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2945 to 1734. [2022-07-19 18:37:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3548387096774193) internal successors, (2310), 1733 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2310 transitions. [2022-07-19 18:37:52,155 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2310 transitions. Word has length 117 [2022-07-19 18:37:52,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:52,155 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2310 transitions. [2022-07-19 18:37:52,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2310 transitions. [2022-07-19 18:37:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:52,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:52,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:52,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-07-19 18:37:52,158 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:52,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:52,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2126269434, now seen corresponding path program 1 times [2022-07-19 18:37:52,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:52,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537323821] [2022-07-19 18:37:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:52,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:52,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:52,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537323821] [2022-07-19 18:37:52,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537323821] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:52,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:52,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:52,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401016067] [2022-07-19 18:37:52,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:52,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:52,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:52,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:52,270 INFO L87 Difference]: Start difference. First operand 1734 states and 2310 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:55,104 INFO L93 Difference]: Finished difference Result 3028 states and 4059 transitions. [2022-07-19 18:37:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:55,104 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:55,107 INFO L225 Difference]: With dead ends: 3028 [2022-07-19 18:37:55,107 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:55,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-19 18:37:55,108 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 7950 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 3231 mSolverCounterSat, 459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7950 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 3231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:55,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7950 Valid, 4252 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 3231 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 18:37:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:55,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3542521994134897) internal successors, (2309), 1733 states have internal predecessors, (2309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2309 transitions. [2022-07-19 18:37:55,656 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2309 transitions. Word has length 117 [2022-07-19 18:37:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:55,656 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2309 transitions. [2022-07-19 18:37:55,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2309 transitions. [2022-07-19 18:37:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:55,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:55,658 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] [2022-07-19 18:37:55,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-07-19 18:37:55,659 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:55,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:55,659 INFO L85 PathProgramCache]: Analyzing trace with hash -144491962, now seen corresponding path program 1 times [2022-07-19 18:37:55,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:55,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461041102] [2022-07-19 18:37:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:55,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:55,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461041102] [2022-07-19 18:37:55,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461041102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:55,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:55,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 18:37:55,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031258812] [2022-07-19 18:37:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:55,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 18:37:55,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:55,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 18:37:55,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 18:37:55,787 INFO L87 Difference]: Start difference. First operand 1734 states and 2309 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:58,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 18:37:58,716 INFO L93 Difference]: Finished difference Result 3028 states and 4058 transitions. [2022-07-19 18:37:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-19 18:37:58,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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 [2022-07-19 18:37:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 18:37:58,720 INFO L225 Difference]: With dead ends: 3028 [2022-07-19 18:37:58,720 INFO L226 Difference]: Without dead ends: 2857 [2022-07-19 18:37:58,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-19 18:37:58,721 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 7594 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 3424 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7594 SdHoareTripleChecker+Valid, 4505 SdHoareTripleChecker+Invalid, 3879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 3424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 18:37:58,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7594 Valid, 4505 Invalid, 3879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 3424 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 18:37:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2857 states. [2022-07-19 18:37:59,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2857 to 1734. [2022-07-19 18:37:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1705 states have (on average 1.3536656891495602) internal successors, (2308), 1733 states have internal predecessors, (2308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 18:37:59,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2308 transitions. [2022-07-19 18:37:59,356 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2308 transitions. Word has length 117 [2022-07-19 18:37:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 18:37:59,356 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2308 transitions. [2022-07-19 18:37:59,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 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) [2022-07-19 18:37:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2308 transitions. [2022-07-19 18:37:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 18:37:59,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 18:37:59,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 18:37:59,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-07-19 18:37:59,358 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-19 18:37:59,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 18:37:59,359 INFO L85 PathProgramCache]: Analyzing trace with hash -693956154, now seen corresponding path program 1 times [2022-07-19 18:37:59,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 18:37:59,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546749600] [2022-07-19 18:37:59,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 18:37:59,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 18:37:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 18:37:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 18:37:59,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 18:37:59,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546749600] [2022-07-19 18:37:59,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546749600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 18:37:59,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 18:37:59,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 18:37:59,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784330705] [2022-07-19 18:37:59,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 18:37:59,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 18:37:59,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 18:37:59,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 18:37:59,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-19 18:37:59,543 INFO L87 Difference]: Start difference. First operand 1734 states and 2308 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 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)