./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9fc434c98d81d50ebbaaf1f0c0ad7b0d03fbdae2db606436a34b66c07c286ced --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 07:32:50,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:32:50,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:32:50,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:32:50,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:32:50,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:32:50,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:32:50,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:32:50,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:32:50,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:32:50,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:32:50,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:32:50,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:32:50,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:32:50,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:32:50,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:32:50,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:32:50,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:32:50,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:32:50,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:32:50,922 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:32:50,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:32:50,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:32:50,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:32:50,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:32:50,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:32:50,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:32:50,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:32:50,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:32:50,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:32:50,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:32:50,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:32:50,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:32:50,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:32:50,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:32:50,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:32:50,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:32:50,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:32:50,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:32:50,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:32:50,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:32:50,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:32:50,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:32:50,957 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:32:50,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:32:50,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:32:50,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:32:50,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:32:50,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:32:50,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:32:50,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:32:50,959 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:32:50,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:32:50,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:32:50,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:32:50,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:32:50,961 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:32:50,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:32:50,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:32:50,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fc434c98d81d50ebbaaf1f0c0ad7b0d03fbdae2db606436a34b66c07c286ced [2022-07-12 07:32:51,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:32:51,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:32:51,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:32:51,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:32:51,179 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:32:51,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-07-12 07:32:51,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fb2d3d7/0778159689d84a88ab60b0fe68b6785d/FLAG340b82daf [2022-07-12 07:32:51,913 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:32:51,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-07-12 07:32:51,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fb2d3d7/0778159689d84a88ab60b0fe68b6785d/FLAG340b82daf [2022-07-12 07:32:52,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9fb2d3d7/0778159689d84a88ab60b0fe68b6785d [2022-07-12 07:32:52,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:32:52,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:32:52,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:32:52,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:32:52,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:32:52,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:32:52" (1/1) ... [2022-07-12 07:32:52,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd9c3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:52, skipping insertion in model container [2022-07-12 07:32:52,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:32:52" (1/1) ... [2022-07-12 07:32:52,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:32:52,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:32:52,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2022-07-12 07:32:52,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2022-07-12 07:32:52,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2022-07-12 07:32:52,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2022-07-12 07:32:52,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2022-07-12 07:32:52,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2022-07-12 07:32:52,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2022-07-12 07:32:52,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2022-07-12 07:32:52,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2022-07-12 07:32:52,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2022-07-12 07:32:52,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2022-07-12 07:32:52,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2022-07-12 07:32:52,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2022-07-12 07:32:53,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2022-07-12 07:32:53,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2022-07-12 07:32:53,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2022-07-12 07:32:53,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2022-07-12 07:32:53,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2022-07-12 07:32:53,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2022-07-12 07:32:53,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2022-07-12 07:32:53,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2022-07-12 07:32:53,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2022-07-12 07:32:53,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2022-07-12 07:32:53,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2022-07-12 07:32:53,175 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2022-07-12 07:32:53,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2022-07-12 07:32:53,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2022-07-12 07:32:53,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2022-07-12 07:32:53,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2022-07-12 07:32:53,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2022-07-12 07:32:53,350 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2022-07-12 07:32:53,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2022-07-12 07:32:53,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2022-07-12 07:32:53,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2022-07-12 07:32:53,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2022-07-12 07:32:53,413 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2022-07-12 07:32:53,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2022-07-12 07:32:54,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:32:54,532 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:32:54,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[22358,22371] [2022-07-12 07:32:54,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[28268,28281] [2022-07-12 07:32:54,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[29690,29703] [2022-07-12 07:32:54,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[30548,30561] [2022-07-12 07:32:54,643 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[32341,32354] [2022-07-12 07:32:54,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[33199,33212] [2022-07-12 07:32:54,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[34428,34441] [2022-07-12 07:32:54,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[37283,37296] [2022-07-12 07:32:54,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[38144,38157] [2022-07-12 07:32:54,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[39376,39389] [2022-07-12 07:32:54,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[41667,41680] [2022-07-12 07:32:54,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46092,46105] [2022-07-12 07:32:54,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[46953,46966] [2022-07-12 07:32:54,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[48185,48198] [2022-07-12 07:32:54,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[50476,50489] [2022-07-12 07:32:54,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[54337,54350] [2022-07-12 07:32:54,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[61299,61312] [2022-07-12 07:32:54,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[62160,62173] [2022-07-12 07:32:54,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[63392,63405] [2022-07-12 07:32:54,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[65683,65696] [2022-07-12 07:32:54,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[69544,69557] [2022-07-12 07:32:54,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[75942,75955] [2022-07-12 07:32:54,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[87347,87360] [2022-07-12 07:32:54,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[88208,88221] [2022-07-12 07:32:54,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[89401,89414] [2022-07-12 07:32:54,850 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[91653,91666] [2022-07-12 07:32:54,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[95755,95768] [2022-07-12 07:32:54,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[103009,103022] [2022-07-12 07:32:54,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[115656,115669] [2022-07-12 07:32:55,011 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.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[137951,137964] [2022-07-12 07:32:55,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[138812,138825] [2022-07-12 07:32:55,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[140044,140057] [2022-07-12 07:32:55,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[142335,142348] [2022-07-12 07:32:55,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[146196,146209] [2022-07-12 07:32:55,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[152594,152607] [2022-07-12 07:32:55,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[163435,163448] [2022-07-12 07:32:55,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c[182075,182088] [2022-07-12 07:32:55,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:32:55,887 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:32:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55 WrapperNode [2022-07-12 07:32:55,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:32:55,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:32:55,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:32:55,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:32:55,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:55,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,246 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24256 [2022-07-12 07:32:56,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:32:56,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:32:56,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:32:56,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:32:56,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:32:56,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:32:56,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:32:56,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:32:56,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (1/1) ... [2022-07-12 07:32:56,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:32:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:32:56,580 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) [2022-07-12 07:32:56,597 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 [2022-07-12 07:32:56,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:32:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:32:56,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:32:56,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:32:57,108 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:32:57,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:33:03,685 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:33:03,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:33:03,719 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:33:03,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:33:03 BoogieIcfgContainer [2022-07-12 07:33:03,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:33:03,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:33:03,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:33:03,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:33:03,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:32:52" (1/3) ... [2022-07-12 07:33:03,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f021e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:33:03, skipping insertion in model container [2022-07-12 07:33:03,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:32:55" (2/3) ... [2022-07-12 07:33:03,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f021e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:33:03, skipping insertion in model container [2022-07-12 07:33:03,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:33:03" (3/3) ... [2022-07-12 07:33:03,731 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c.v+lhb-reducer.c [2022-07-12 07:33:03,741 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:33:03,741 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-07-12 07:33:03,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:33:03,842 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@5ea752bf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3846d8bc [2022-07-12 07:33:03,842 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-07-12 07:33:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 3893 states, 3855 states have (on average 1.8658884565499352) internal successors, (7193), 3892 states have internal predecessors, (7193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-12 07:33:03,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:03,882 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, 1, 1] [2022-07-12 07:33:03,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:03,886 INFO L85 PathProgramCache]: Analyzing trace with hash 665140337, now seen corresponding path program 1 times [2022-07-12 07:33:03,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:03,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484773067] [2022-07-12 07:33:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:03,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:04,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:04,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484773067] [2022-07-12 07:33:04,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484773067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:04,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:04,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366101047] [2022-07-12 07:33:04,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:04,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:04,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:04,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:04,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:04,482 INFO L87 Difference]: Start difference. First operand has 3893 states, 3855 states have (on average 1.8658884565499352) internal successors, (7193), 3892 states have internal predecessors, (7193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:06,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:06,556 INFO L93 Difference]: Finished difference Result 6696 states and 11855 transitions. [2022-07-12 07:33:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:06,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-07-12 07:33:06,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:06,590 INFO L225 Difference]: With dead ends: 6696 [2022-07-12 07:33:06,590 INFO L226 Difference]: Without dead ends: 3883 [2022-07-12 07:33:06,601 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 [2022-07-12 07:33:06,603 INFO L413 NwaCegarLoop]: 3420 mSDtfsCounter, 18552 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18552 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:06,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18552 Valid, 4441 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:33:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2022-07-12 07:33:06,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3757. [2022-07-12 07:33:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 3720 states have (on average 1.3725806451612903) internal successors, (5106), 3756 states have internal predecessors, (5106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5106 transitions. [2022-07-12 07:33:06,769 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5106 transitions. Word has length 117 [2022-07-12 07:33:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:06,770 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5106 transitions. [2022-07-12 07:33:06,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5106 transitions. [2022-07-12 07:33:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 07:33:06,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:06,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:06,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:33:06,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:06,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:06,780 INFO L85 PathProgramCache]: Analyzing trace with hash -165228108, now seen corresponding path program 1 times [2022-07-12 07:33:06,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:06,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987507193] [2022-07-12 07:33:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:06,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:06,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:06,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987507193] [2022-07-12 07:33:06,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987507193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:06,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:06,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227486368] [2022-07-12 07:33:06,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:06,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:06,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:06,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:06,949 INFO L87 Difference]: Start difference. First operand 3757 states and 5106 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:08,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:08,127 INFO L93 Difference]: Finished difference Result 6425 states and 8996 transitions. [2022-07-12 07:33:08,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:08,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-07-12 07:33:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:08,139 INFO L225 Difference]: With dead ends: 6425 [2022-07-12 07:33:08,140 INFO L226 Difference]: Without dead ends: 3269 [2022-07-12 07:33:08,145 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 [2022-07-12 07:33:08,146 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 9500 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9500 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:08,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9500 Valid, 1829 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 07:33:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2022-07-12 07:33:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3269. [2022-07-12 07:33:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3269 states, 3232 states have (on average 1.4084158415841583) internal successors, (4552), 3268 states have internal predecessors, (4552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:08,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 3269 states and 4552 transitions. [2022-07-12 07:33:08,295 INFO L78 Accepts]: Start accepts. Automaton has 3269 states and 4552 transitions. Word has length 118 [2022-07-12 07:33:08,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:08,297 INFO L495 AbstractCegarLoop]: Abstraction has 3269 states and 4552 transitions. [2022-07-12 07:33:08,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 4552 transitions. [2022-07-12 07:33:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 07:33:08,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:08,307 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:08,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 07:33:08,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:08,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1014149644, now seen corresponding path program 1 times [2022-07-12 07:33:08,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:08,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098332839] [2022-07-12 07:33:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:08,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:08,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:08,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098332839] [2022-07-12 07:33:08,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098332839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:08,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:08,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:08,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628509023] [2022-07-12 07:33:08,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:08,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:08,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:08,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:08,435 INFO L87 Difference]: Start difference. First operand 3269 states and 4552 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:10,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:10,016 INFO L93 Difference]: Finished difference Result 5937 states and 8440 transitions. [2022-07-12 07:33:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:10,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-07-12 07:33:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:10,028 INFO L225 Difference]: With dead ends: 5937 [2022-07-12 07:33:10,028 INFO L226 Difference]: Without dead ends: 3109 [2022-07-12 07:33:10,032 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 [2022-07-12 07:33:10,032 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 8578 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8578 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:10,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8578 Valid, 1305 Invalid, 2183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:33:10,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2022-07-12 07:33:10,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 3109. [2022-07-12 07:33:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 3072 states have (on average 1.4186197916666667) internal successors, (4358), 3108 states have internal predecessors, (4358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4358 transitions. [2022-07-12 07:33:10,122 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4358 transitions. Word has length 119 [2022-07-12 07:33:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:10,122 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4358 transitions. [2022-07-12 07:33:10,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4358 transitions. [2022-07-12 07:33:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-12 07:33:10,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:10,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:10,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 07:33:10,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:10,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1359526519, now seen corresponding path program 1 times [2022-07-12 07:33:10,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:10,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331681576] [2022-07-12 07:33:10,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:10,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:10,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:10,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331681576] [2022-07-12 07:33:10,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331681576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:10,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:10,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:10,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854972611] [2022-07-12 07:33:10,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:10,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:10,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:10,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:10,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:10,255 INFO L87 Difference]: Start difference. First operand 3109 states and 4358 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:11,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:11,540 INFO L93 Difference]: Finished difference Result 5777 states and 8244 transitions. [2022-07-12 07:33:11,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:11,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-07-12 07:33:11,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:11,550 INFO L225 Difference]: With dead ends: 5777 [2022-07-12 07:33:11,550 INFO L226 Difference]: Without dead ends: 2981 [2022-07-12 07:33:11,554 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 [2022-07-12 07:33:11,554 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 8321 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8321 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:11,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8321 Valid, 1438 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 07:33:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2981 states. [2022-07-12 07:33:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2981 to 2981. [2022-07-12 07:33:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2981 states, 2944 states have (on average 1.4307065217391304) internal successors, (4212), 2980 states have internal predecessors, (4212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2981 states and 4212 transitions. [2022-07-12 07:33:11,634 INFO L78 Accepts]: Start accepts. Automaton has 2981 states and 4212 transitions. Word has length 120 [2022-07-12 07:33:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:11,635 INFO L495 AbstractCegarLoop]: Abstraction has 2981 states and 4212 transitions. [2022-07-12 07:33:11,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2981 states and 4212 transitions. [2022-07-12 07:33:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-12 07:33:11,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:11,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:11,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 07:33:11,641 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:11,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:11,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1066134221, now seen corresponding path program 1 times [2022-07-12 07:33:11,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:11,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934795757] [2022-07-12 07:33:11,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:11,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:11,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:11,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934795757] [2022-07-12 07:33:11,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934795757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:11,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:11,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:11,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372592489] [2022-07-12 07:33:11,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:11,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:11,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:11,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:11,752 INFO L87 Difference]: Start difference. First operand 2981 states and 4212 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:12,791 INFO L93 Difference]: Finished difference Result 5649 states and 8096 transitions. [2022-07-12 07:33:12,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:12,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-07-12 07:33:12,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:12,801 INFO L225 Difference]: With dead ends: 5649 [2022-07-12 07:33:12,801 INFO L226 Difference]: Without dead ends: 2869 [2022-07-12 07:33:12,804 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 [2022-07-12 07:33:12,807 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 8157 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8157 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:12,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8157 Valid, 1525 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 07:33:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2022-07-12 07:33:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2869. [2022-07-12 07:33:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2869 states, 2832 states have (on average 1.4442090395480225) internal successors, (4090), 2868 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2869 states and 4090 transitions. [2022-07-12 07:33:12,894 INFO L78 Accepts]: Start accepts. Automaton has 2869 states and 4090 transitions. Word has length 121 [2022-07-12 07:33:12,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:12,895 INFO L495 AbstractCegarLoop]: Abstraction has 2869 states and 4090 transitions. [2022-07-12 07:33:12,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2869 states and 4090 transitions. [2022-07-12 07:33:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 07:33:12,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:12,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 07:33:12,900 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash -872939982, now seen corresponding path program 1 times [2022-07-12 07:33:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:12,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405369875] [2022-07-12 07:33:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:12,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:12,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405369875] [2022-07-12 07:33:12,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405369875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:12,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:12,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450881157] [2022-07-12 07:33:12,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:12,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:12,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:12,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:12,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:12,982 INFO L87 Difference]: Start difference. First operand 2869 states and 4090 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:14,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:14,007 INFO L93 Difference]: Finished difference Result 5537 states and 7972 transitions. [2022-07-12 07:33:14,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:14,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-07-12 07:33:14,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:14,023 INFO L225 Difference]: With dead ends: 5537 [2022-07-12 07:33:14,023 INFO L226 Difference]: Without dead ends: 2804 [2022-07-12 07:33:14,026 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 [2022-07-12 07:33:14,028 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 7985 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7985 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:14,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7985 Valid, 1492 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 07:33:14,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-12 07:33:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2022-07-12 07:33:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2767 states have (on average 1.452475605348753) internal successors, (4019), 2803 states have internal predecessors, (4019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4019 transitions. [2022-07-12 07:33:14,157 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4019 transitions. Word has length 122 [2022-07-12 07:33:14,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:14,157 INFO L495 AbstractCegarLoop]: Abstraction has 2804 states and 4019 transitions. [2022-07-12 07:33:14,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4019 transitions. [2022-07-12 07:33:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-12 07:33:14,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:14,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:14,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 07:33:14,162 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash 139171630, now seen corresponding path program 1 times [2022-07-12 07:33:14,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:14,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363481452] [2022-07-12 07:33:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:14,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:14,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363481452] [2022-07-12 07:33:14,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363481452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:14,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:14,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:14,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037106160] [2022-07-12 07:33:14,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:14,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:14,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:14,263 INFO L87 Difference]: Start difference. First operand 2804 states and 4019 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:15,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:15,277 INFO L93 Difference]: Finished difference Result 5472 states and 7899 transitions. [2022-07-12 07:33:15,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:15,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-07-12 07:33:15,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:15,285 INFO L225 Difference]: With dead ends: 5472 [2022-07-12 07:33:15,285 INFO L226 Difference]: Without dead ends: 2773 [2022-07-12 07:33:15,289 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 [2022-07-12 07:33:15,290 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 7866 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7866 SdHoareTripleChecker+Valid, 1477 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:15,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7866 Valid, 1477 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 07:33:15,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-07-12 07:33:15,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2773. [2022-07-12 07:33:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 2736 states have (on average 1.456140350877193) internal successors, (3984), 2772 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3984 transitions. [2022-07-12 07:33:15,419 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3984 transitions. Word has length 123 [2022-07-12 07:33:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:15,420 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 3984 transitions. [2022-07-12 07:33:15,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3984 transitions. [2022-07-12 07:33:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:33:15,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:15,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:15,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 07:33:15,425 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:15,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:15,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1019327599, now seen corresponding path program 1 times [2022-07-12 07:33:15,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:15,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481097709] [2022-07-12 07:33:15,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:15,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:15,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481097709] [2022-07-12 07:33:15,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481097709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:15,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:15,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:15,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003539766] [2022-07-12 07:33:15,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:15,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:15,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:15,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:15,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:15,531 INFO L87 Difference]: Start difference. First operand 2773 states and 3984 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:16,564 INFO L93 Difference]: Finished difference Result 5441 states and 7862 transitions. [2022-07-12 07:33:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:16,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-07-12 07:33:16,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:16,572 INFO L225 Difference]: With dead ends: 5441 [2022-07-12 07:33:16,572 INFO L226 Difference]: Without dead ends: 2762 [2022-07-12 07:33:16,575 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 [2022-07-12 07:33:16,575 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 7710 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7710 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:16,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7710 Valid, 1410 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 07:33:16,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-07-12 07:33:16,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2762. [2022-07-12 07:33:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.456880733944954) internal successors, (3970), 2761 states have internal predecessors, (3970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3970 transitions. [2022-07-12 07:33:16,705 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3970 transitions. Word has length 124 [2022-07-12 07:33:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:16,705 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3970 transitions. [2022-07-12 07:33:16,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3970 transitions. [2022-07-12 07:33:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 07:33:16,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:16,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:16,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 07:33:16,711 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:16,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:16,712 INFO L85 PathProgramCache]: Analyzing trace with hash 872951789, now seen corresponding path program 1 times [2022-07-12 07:33:16,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:16,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902959850] [2022-07-12 07:33:16,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:16,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:16,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:16,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902959850] [2022-07-12 07:33:16,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902959850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:16,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:16,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:33:16,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144908961] [2022-07-12 07:33:16,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:16,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:33:16,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:16,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:33:16,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:33:16,912 INFO L87 Difference]: Start difference. First operand 2762 states and 3970 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:19,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:19,936 INFO L93 Difference]: Finished difference Result 5346 states and 7685 transitions. [2022-07-12 07:33:19,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:33:19,937 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-12 07:33:19,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:19,947 INFO L225 Difference]: With dead ends: 5346 [2022-07-12 07:33:19,947 INFO L226 Difference]: Without dead ends: 4670 [2022-07-12 07:33:19,949 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 [2022-07-12 07:33:19,949 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 17521 mSDsluCounter, 6109 mSDsCounter, 0 mSdLazyCounter, 6257 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17521 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 6315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 6257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:19,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17521 Valid, 7584 Invalid, 6315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 6257 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:33:19,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4670 states. [2022-07-12 07:33:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4670 to 2762. [2022-07-12 07:33:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4561467889908257) internal successors, (3968), 2761 states have internal predecessors, (3968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3968 transitions. [2022-07-12 07:33:20,105 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3968 transitions. Word has length 125 [2022-07-12 07:33:20,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:20,106 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3968 transitions. [2022-07-12 07:33:20,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3968 transitions. [2022-07-12 07:33:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 07:33:20,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:20,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:20,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 07:33:20,112 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1281515480, now seen corresponding path program 1 times [2022-07-12 07:33:20,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:20,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124829395] [2022-07-12 07:33:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:20,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:20,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124829395] [2022-07-12 07:33:20,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124829395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:20,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:20,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 07:33:20,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353655409] [2022-07-12 07:33:20,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:20,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 07:33:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:20,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 07:33:20,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 07:33:20,293 INFO L87 Difference]: Start difference. First operand 2762 states and 3968 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:22,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:22,579 INFO L93 Difference]: Finished difference Result 4587 states and 6338 transitions. [2022-07-12 07:33:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 07:33:22,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-12 07:33:22,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:22,585 INFO L225 Difference]: With dead ends: 4587 [2022-07-12 07:33:22,585 INFO L226 Difference]: Without dead ends: 3480 [2022-07-12 07:33:22,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-12 07:33:22,587 INFO L413 NwaCegarLoop]: 1134 mSDtfsCounter, 13224 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 4001 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13224 SdHoareTripleChecker+Valid, 3500 SdHoareTripleChecker+Invalid, 4254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 4001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:22,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13224 Valid, 3500 Invalid, 4254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 4001 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:33:22,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2022-07-12 07:33:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 2762. [2022-07-12 07:33:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4557798165137614) internal successors, (3967), 2761 states have internal predecessors, (3967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3967 transitions. [2022-07-12 07:33:22,739 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3967 transitions. Word has length 125 [2022-07-12 07:33:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:22,739 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3967 transitions. [2022-07-12 07:33:22,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3967 transitions. [2022-07-12 07:33:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 07:33:22,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:22,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:22,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 07:33:22,743 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2063190834, now seen corresponding path program 1 times [2022-07-12 07:33:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:22,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556928696] [2022-07-12 07:33:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:22,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:22,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556928696] [2022-07-12 07:33:22,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556928696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:22,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:22,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:22,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233761890] [2022-07-12 07:33:22,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:22,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:22,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:22,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:22,891 INFO L87 Difference]: Start difference. First operand 2762 states and 3967 transitions. Second operand has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:26,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:26,373 INFO L93 Difference]: Finished difference Result 4950 states and 7106 transitions. [2022-07-12 07:33:26,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:33:26,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-12 07:33:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:26,380 INFO L225 Difference]: With dead ends: 4950 [2022-07-12 07:33:26,380 INFO L226 Difference]: Without dead ends: 4710 [2022-07-12 07:33:26,381 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 [2022-07-12 07:33:26,382 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 11699 mSDsluCounter, 7470 mSDsCounter, 0 mSdLazyCounter, 7587 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11699 SdHoareTripleChecker+Valid, 8985 SdHoareTripleChecker+Invalid, 7694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 7587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:26,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11699 Valid, 8985 Invalid, 7694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 7587 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 07:33:26,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4710 states. [2022-07-12 07:33:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4710 to 2775. [2022-07-12 07:33:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 2738 states have (on average 1.4558071585098613) internal successors, (3986), 2774 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 3986 transitions. [2022-07-12 07:33:26,564 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 3986 transitions. Word has length 125 [2022-07-12 07:33:26,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:26,565 INFO L495 AbstractCegarLoop]: Abstraction has 2775 states and 3986 transitions. [2022-07-12 07:33:26,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.416666666666666) internal successors, (125), 11 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3986 transitions. [2022-07-12 07:33:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 07:33:26,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:26,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:26,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 07:33:26,569 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash 2108954040, now seen corresponding path program 1 times [2022-07-12 07:33:26,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:26,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860288020] [2022-07-12 07:33:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:26,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:26,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:26,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860288020] [2022-07-12 07:33:26,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860288020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:26,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:26,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:26,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897226885] [2022-07-12 07:33:26,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:26,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:26,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:26,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:26,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:26,701 INFO L87 Difference]: Start difference. First operand 2775 states and 3986 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:29,393 INFO L93 Difference]: Finished difference Result 3658 states and 5276 transitions. [2022-07-12 07:33:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:29,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-12 07:33:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:29,397 INFO L225 Difference]: With dead ends: 3658 [2022-07-12 07:33:29,397 INFO L226 Difference]: Without dead ends: 3055 [2022-07-12 07:33:29,398 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 [2022-07-12 07:33:29,399 INFO L413 NwaCegarLoop]: 1455 mSDtfsCounter, 8285 mSDsluCounter, 6250 mSDsCounter, 0 mSdLazyCounter, 6311 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8285 SdHoareTripleChecker+Valid, 7705 SdHoareTripleChecker+Invalid, 6338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 6311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:29,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8285 Valid, 7705 Invalid, 6338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 6311 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:33:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2022-07-12 07:33:29,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2762. [2022-07-12 07:33:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4554128440366974) internal successors, (3966), 2761 states have internal predecessors, (3966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3966 transitions. [2022-07-12 07:33:29,577 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3966 transitions. Word has length 125 [2022-07-12 07:33:29,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:29,578 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3966 transitions. [2022-07-12 07:33:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3966 transitions. [2022-07-12 07:33:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 07:33:29,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:29,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:29,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 07:33:29,581 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:29,582 INFO L85 PathProgramCache]: Analyzing trace with hash 871478774, now seen corresponding path program 1 times [2022-07-12 07:33:29,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:29,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330274429] [2022-07-12 07:33:29,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:29,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:29,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330274429] [2022-07-12 07:33:29,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330274429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:29,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:29,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:29,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679627297] [2022-07-12 07:33:29,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:29,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:29,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:29,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:29,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:29,706 INFO L87 Difference]: Start difference. First operand 2762 states and 3966 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:32,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:32,788 INFO L93 Difference]: Finished difference Result 4858 states and 6981 transitions. [2022-07-12 07:33:32,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:32,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-07-12 07:33:32,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:32,797 INFO L225 Difference]: With dead ends: 4858 [2022-07-12 07:33:32,797 INFO L226 Difference]: Without dead ends: 4618 [2022-07-12 07:33:32,798 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 [2022-07-12 07:33:32,799 INFO L413 NwaCegarLoop]: 1506 mSDtfsCounter, 11359 mSDsluCounter, 5067 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11359 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 5622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:32,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11359 Valid, 6573 Invalid, 5622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:33:32,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-07-12 07:33:33,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 2762. [2022-07-12 07:33:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.455045871559633) internal successors, (3965), 2761 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3965 transitions. [2022-07-12 07:33:33,054 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3965 transitions. Word has length 125 [2022-07-12 07:33:33,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:33,054 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3965 transitions. [2022-07-12 07:33:33,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 8 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3965 transitions. [2022-07-12 07:33:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:33,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:33,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:33,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 07:33:33,060 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:33,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1393816537, now seen corresponding path program 1 times [2022-07-12 07:33:33,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:33,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425708184] [2022-07-12 07:33:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:33,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:33,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:33,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425708184] [2022-07-12 07:33:33,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425708184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:33,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:33,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:33,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451841272] [2022-07-12 07:33:33,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:33,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:33,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:33,241 INFO L87 Difference]: Start difference. First operand 2762 states and 3965 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:36,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:36,450 INFO L93 Difference]: Finished difference Result 4858 states and 6980 transitions. [2022-07-12 07:33:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:36,451 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:36,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:36,474 INFO L225 Difference]: With dead ends: 4858 [2022-07-12 07:33:36,474 INFO L226 Difference]: Without dead ends: 4618 [2022-07-12 07:33:36,476 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 [2022-07-12 07:33:36,477 INFO L413 NwaCegarLoop]: 1522 mSDtfsCounter, 11132 mSDsluCounter, 5114 mSDsCounter, 0 mSdLazyCounter, 5519 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11132 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 5622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 5519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:36,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11132 Valid, 6636 Invalid, 5622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 5519 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:33:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-07-12 07:33:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 2762. [2022-07-12 07:33:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4546788990825688) internal successors, (3964), 2761 states have internal predecessors, (3964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3964 transitions. [2022-07-12 07:33:36,738 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3964 transitions. Word has length 127 [2022-07-12 07:33:36,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:36,738 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3964 transitions. [2022-07-12 07:33:36,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3964 transitions. [2022-07-12 07:33:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:36,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:36,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:36,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 07:33:36,744 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:36,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:36,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1270994115, now seen corresponding path program 1 times [2022-07-12 07:33:36,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:36,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377190297] [2022-07-12 07:33:36,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:36,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:36,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377190297] [2022-07-12 07:33:36,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377190297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:36,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:36,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:36,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462835804] [2022-07-12 07:33:36,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:36,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:36,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:36,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:36,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:36,935 INFO L87 Difference]: Start difference. First operand 2762 states and 3964 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:40,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:40,038 INFO L93 Difference]: Finished difference Result 4951 states and 7112 transitions. [2022-07-12 07:33:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:40,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:40,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:40,057 INFO L225 Difference]: With dead ends: 4951 [2022-07-12 07:33:40,058 INFO L226 Difference]: Without dead ends: 4642 [2022-07-12 07:33:40,060 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 [2022-07-12 07:33:40,061 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 10934 mSDsluCounter, 5696 mSDsCounter, 0 mSdLazyCounter, 6055 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10934 SdHoareTripleChecker+Valid, 7436 SdHoareTripleChecker+Invalid, 6111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 6055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:40,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10934 Valid, 7436 Invalid, 6111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 6055 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:33:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-07-12 07:33:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-07-12 07:33:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4543119266055047) internal successors, (3963), 2761 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3963 transitions. [2022-07-12 07:33:40,283 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3963 transitions. Word has length 127 [2022-07-12 07:33:40,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:40,283 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3963 transitions. [2022-07-12 07:33:40,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3963 transitions. [2022-07-12 07:33:40,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:40,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:40,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:40,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 07:33:40,287 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:40,287 INFO L85 PathProgramCache]: Analyzing trace with hash -404587771, now seen corresponding path program 1 times [2022-07-12 07:33:40,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:40,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970366713] [2022-07-12 07:33:40,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:40,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:40,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:40,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970366713] [2022-07-12 07:33:40,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970366713] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:40,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:40,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:40,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625676115] [2022-07-12 07:33:40,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:40,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:40,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:40,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:40,417 INFO L87 Difference]: Start difference. First operand 2762 states and 3963 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:43,469 INFO L93 Difference]: Finished difference Result 4930 states and 7090 transitions. [2022-07-12 07:33:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:43,470 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:43,475 INFO L225 Difference]: With dead ends: 4930 [2022-07-12 07:33:43,475 INFO L226 Difference]: Without dead ends: 4642 [2022-07-12 07:33:43,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:33:43,476 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 14229 mSDsluCounter, 5723 mSDsCounter, 0 mSdLazyCounter, 6061 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14229 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 6136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 6061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:43,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14229 Valid, 7463 Invalid, 6136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 6061 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:33:43,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-07-12 07:33:43,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-07-12 07:33:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4539449541284404) internal successors, (3962), 2761 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3962 transitions. [2022-07-12 07:33:43,734 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3962 transitions. Word has length 127 [2022-07-12 07:33:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:43,735 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3962 transitions. [2022-07-12 07:33:43,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3962 transitions. [2022-07-12 07:33:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:43,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:43,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:43,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 07:33:43,739 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:43,740 INFO L85 PathProgramCache]: Analyzing trace with hash -369681398, now seen corresponding path program 1 times [2022-07-12 07:33:43,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:43,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787143851] [2022-07-12 07:33:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:43,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787143851] [2022-07-12 07:33:43,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787143851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:43,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:43,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:43,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475144970] [2022-07-12 07:33:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:43,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:43,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:43,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:43,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:43,865 INFO L87 Difference]: Start difference. First operand 2762 states and 3962 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:46,936 INFO L93 Difference]: Finished difference Result 5054 states and 7277 transitions. [2022-07-12 07:33:46,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:46,936 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:46,942 INFO L225 Difference]: With dead ends: 5054 [2022-07-12 07:33:46,942 INFO L226 Difference]: Without dead ends: 4678 [2022-07-12 07:33:46,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:33:46,943 INFO L413 NwaCegarLoop]: 1782 mSDtfsCounter, 14559 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 6192 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14559 SdHoareTripleChecker+Valid, 7586 SdHoareTripleChecker+Invalid, 6241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 6192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:46,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14559 Valid, 7586 Invalid, 6241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 6192 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:33:46,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2022-07-12 07:33:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 2762. [2022-07-12 07:33:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.453577981651376) internal successors, (3961), 2761 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3961 transitions. [2022-07-12 07:33:47,198 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3961 transitions. Word has length 127 [2022-07-12 07:33:47,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:47,198 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3961 transitions. [2022-07-12 07:33:47,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3961 transitions. [2022-07-12 07:33:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:47,202 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:47,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:47,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 07:33:47,202 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:47,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:47,202 INFO L85 PathProgramCache]: Analyzing trace with hash 101802033, now seen corresponding path program 1 times [2022-07-12 07:33:47,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:47,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911654319] [2022-07-12 07:33:47,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:47,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:47,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:47,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:47,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911654319] [2022-07-12 07:33:47,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911654319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:47,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:47,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:47,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688181011] [2022-07-12 07:33:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:47,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:47,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:47,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:47,329 INFO L87 Difference]: Start difference. First operand 2762 states and 3961 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:50,570 INFO L93 Difference]: Finished difference Result 4915 states and 7070 transitions. [2022-07-12 07:33:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:50,570 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:50,576 INFO L225 Difference]: With dead ends: 4915 [2022-07-12 07:33:50,576 INFO L226 Difference]: Without dead ends: 4642 [2022-07-12 07:33:50,577 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 [2022-07-12 07:33:50,578 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 13435 mSDsluCounter, 6154 mSDsCounter, 0 mSdLazyCounter, 6565 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13435 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 6637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 6565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:50,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13435 Valid, 8018 Invalid, 6637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 6565 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:33:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2022-07-12 07:33:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 2762. [2022-07-12 07:33:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.453211009174312) internal successors, (3960), 2761 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3960 transitions. [2022-07-12 07:33:50,831 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3960 transitions. Word has length 127 [2022-07-12 07:33:50,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:50,831 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3960 transitions. [2022-07-12 07:33:50,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3960 transitions. [2022-07-12 07:33:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:50,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:50,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:50,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 07:33:50,835 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:50,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash -2110906991, now seen corresponding path program 1 times [2022-07-12 07:33:50,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:50,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69738357] [2022-07-12 07:33:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:50,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:50,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:50,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69738357] [2022-07-12 07:33:50,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69738357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:50,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:50,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:50,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541399079] [2022-07-12 07:33:50,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:50,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:50,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:50,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:50,979 INFO L87 Difference]: Start difference. First operand 2762 states and 3960 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:54,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:54,918 INFO L93 Difference]: Finished difference Result 5314 states and 7618 transitions. [2022-07-12 07:33:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:33:54,919 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:54,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:54,926 INFO L225 Difference]: With dead ends: 5314 [2022-07-12 07:33:54,926 INFO L226 Difference]: Without dead ends: 4902 [2022-07-12 07:33:54,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:33:54,928 INFO L413 NwaCegarLoop]: 1828 mSDtfsCounter, 11226 mSDsluCounter, 8688 mSDsCounter, 0 mSdLazyCounter, 8616 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11226 SdHoareTripleChecker+Valid, 10516 SdHoareTripleChecker+Invalid, 8685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 8616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:54,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11226 Valid, 10516 Invalid, 8685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 8616 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 07:33:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4902 states. [2022-07-12 07:33:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4902 to 2776. [2022-07-12 07:33:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2739 states have (on average 1.452354874041621) internal successors, (3978), 2775 states have internal predecessors, (3978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 3978 transitions. [2022-07-12 07:33:55,243 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 3978 transitions. Word has length 127 [2022-07-12 07:33:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:55,243 INFO L495 AbstractCegarLoop]: Abstraction has 2776 states and 3978 transitions. [2022-07-12 07:33:55,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 3978 transitions. [2022-07-12 07:33:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:55,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:55,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:55,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 07:33:55,247 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:55,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:55,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1988084569, now seen corresponding path program 1 times [2022-07-12 07:33:55,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:55,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203144027] [2022-07-12 07:33:55,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:55,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:55,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203144027] [2022-07-12 07:33:55,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203144027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:55,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:55,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:55,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444918881] [2022-07-12 07:33:55,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:55,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:55,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:55,401 INFO L87 Difference]: Start difference. First operand 2776 states and 3978 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:59,476 INFO L93 Difference]: Finished difference Result 5076 states and 7274 transitions. [2022-07-12 07:33:59,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:33:59,477 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:33:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:59,482 INFO L225 Difference]: With dead ends: 5076 [2022-07-12 07:33:59,482 INFO L226 Difference]: Without dead ends: 4788 [2022-07-12 07:33:59,483 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 [2022-07-12 07:33:59,483 INFO L413 NwaCegarLoop]: 1904 mSDtfsCounter, 6876 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 9164 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6876 SdHoareTripleChecker+Valid, 10921 SdHoareTripleChecker+Invalid, 9233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 9164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:59,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6876 Valid, 10921 Invalid, 9233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 9164 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 07:33:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4788 states. [2022-07-12 07:33:59,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4788 to 2784. [2022-07-12 07:33:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4524936294139061) internal successors, (3990), 2783 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3990 transitions. [2022-07-12 07:33:59,749 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3990 transitions. Word has length 127 [2022-07-12 07:33:59,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:59,750 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3990 transitions. [2022-07-12 07:33:59,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3990 transitions. [2022-07-12 07:33:59,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:33:59,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:59,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:59,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 07:33:59,753 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:59,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:59,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1913593849, now seen corresponding path program 1 times [2022-07-12 07:33:59,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:59,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360350257] [2022-07-12 07:33:59,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:59,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:59,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360350257] [2022-07-12 07:33:59,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360350257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:59,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:59,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:59,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118549132] [2022-07-12 07:33:59,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:59,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:59,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:59,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:59,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:59,858 INFO L87 Difference]: Start difference. First operand 2784 states and 3990 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:03,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:03,011 INFO L93 Difference]: Finished difference Result 4924 states and 7069 transitions. [2022-07-12 07:34:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:03,012 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:34:03,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:03,017 INFO L225 Difference]: With dead ends: 4924 [2022-07-12 07:34:03,017 INFO L226 Difference]: Without dead ends: 4640 [2022-07-12 07:34:03,018 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 [2022-07-12 07:34:03,018 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 9849 mSDsluCounter, 6265 mSDsCounter, 0 mSdLazyCounter, 6775 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9849 SdHoareTripleChecker+Valid, 8171 SdHoareTripleChecker+Invalid, 6867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 6775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:03,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9849 Valid, 8171 Invalid, 6867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 6775 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:34:03,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2022-07-12 07:34:03,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 2784. [2022-07-12 07:34:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4517655624317438) internal successors, (3988), 2783 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3988 transitions. [2022-07-12 07:34:03,327 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3988 transitions. Word has length 127 [2022-07-12 07:34:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:03,327 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3988 transitions. [2022-07-12 07:34:03,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3988 transitions. [2022-07-12 07:34:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-12 07:34:03,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:03,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:03,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 07:34:03,331 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:03,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:03,331 INFO L85 PathProgramCache]: Analyzing trace with hash -582969139, now seen corresponding path program 1 times [2022-07-12 07:34:03,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:03,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28150826] [2022-07-12 07:34:03,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:03,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:03,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:03,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28150826] [2022-07-12 07:34:03,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28150826] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:03,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:03,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:03,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451133497] [2022-07-12 07:34:03,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:03,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:03,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:03,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:03,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:03,443 INFO L87 Difference]: Start difference. First operand 2784 states and 3988 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:06,706 INFO L93 Difference]: Finished difference Result 5292 states and 7608 transitions. [2022-07-12 07:34:06,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:06,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-07-12 07:34:06,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:06,711 INFO L225 Difference]: With dead ends: 5292 [2022-07-12 07:34:06,711 INFO L226 Difference]: Without dead ends: 4700 [2022-07-12 07:34:06,712 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 [2022-07-12 07:34:06,713 INFO L413 NwaCegarLoop]: 1921 mSDtfsCounter, 13556 mSDsluCounter, 6127 mSDsCounter, 0 mSdLazyCounter, 6579 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13556 SdHoareTripleChecker+Valid, 8048 SdHoareTripleChecker+Invalid, 6620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 6579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:06,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13556 Valid, 8048 Invalid, 6620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 6579 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:34:06,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4700 states. [2022-07-12 07:34:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4700 to 2784. [2022-07-12 07:34:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2747 states have (on average 1.4510374954495813) internal successors, (3986), 2783 states have internal predecessors, (3986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 3986 transitions. [2022-07-12 07:34:07,001 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 3986 transitions. Word has length 127 [2022-07-12 07:34:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:07,001 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 3986 transitions. [2022-07-12 07:34:07,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 8 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 3986 transitions. [2022-07-12 07:34:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:07,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:07,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:07,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 07:34:07,005 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:07,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:07,005 INFO L85 PathProgramCache]: Analyzing trace with hash -794169949, now seen corresponding path program 1 times [2022-07-12 07:34:07,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:07,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572664652] [2022-07-12 07:34:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:07,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:07,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:07,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572664652] [2022-07-12 07:34:07,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572664652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:07,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:07,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:07,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844270079] [2022-07-12 07:34:07,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:07,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:07,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:07,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:07,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:07,212 INFO L87 Difference]: Start difference. First operand 2784 states and 3986 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:13,267 INFO L93 Difference]: Finished difference Result 7062 states and 10195 transitions. [2022-07-12 07:34:13,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:34:13,268 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:13,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:13,276 INFO L225 Difference]: With dead ends: 7062 [2022-07-12 07:34:13,276 INFO L226 Difference]: Without dead ends: 6650 [2022-07-12 07:34:13,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:34:13,278 INFO L413 NwaCegarLoop]: 2233 mSDtfsCounter, 23470 mSDsluCounter, 9506 mSDsCounter, 0 mSdLazyCounter, 9674 mSolverCounterSat, 1400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23470 SdHoareTripleChecker+Valid, 11739 SdHoareTripleChecker+Invalid, 11074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1400 IncrementalHoareTripleChecker+Valid, 9674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:13,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23470 Valid, 11739 Invalid, 11074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1400 Valid, 9674 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 07:34:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6650 states. [2022-07-12 07:34:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6650 to 2788. [2022-07-12 07:34:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2751 states have (on average 1.450381679389313) internal successors, (3990), 2787 states have internal predecessors, (3990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3990 transitions. [2022-07-12 07:34:13,664 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3990 transitions. Word has length 129 [2022-07-12 07:34:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:13,664 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 3990 transitions. [2022-07-12 07:34:13,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3990 transitions. [2022-07-12 07:34:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:13,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:13,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:13,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 07:34:13,668 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:13,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:13,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1685362764, now seen corresponding path program 1 times [2022-07-12 07:34:13,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:13,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865403174] [2022-07-12 07:34:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:13,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:13,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:13,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865403174] [2022-07-12 07:34:13,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865403174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:13,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:13,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:13,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603511653] [2022-07-12 07:34:13,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:13,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:13,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:13,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:13,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:13,782 INFO L87 Difference]: Start difference. First operand 2788 states and 3990 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:17,067 INFO L93 Difference]: Finished difference Result 4877 states and 6996 transitions. [2022-07-12 07:34:17,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:17,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:17,073 INFO L225 Difference]: With dead ends: 4877 [2022-07-12 07:34:17,073 INFO L226 Difference]: Without dead ends: 4644 [2022-07-12 07:34:17,074 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 [2022-07-12 07:34:17,075 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 9686 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 6776 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9686 SdHoareTripleChecker+Valid, 8180 SdHoareTripleChecker+Invalid, 6868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 6776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:17,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9686 Valid, 8180 Invalid, 6868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 6776 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:34:17,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2022-07-12 07:34:17,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 2788. [2022-07-12 07:34:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 2751 states have (on average 1.4500181752090149) internal successors, (3989), 2787 states have internal predecessors, (3989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3989 transitions. [2022-07-12 07:34:17,447 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3989 transitions. Word has length 129 [2022-07-12 07:34:17,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:17,448 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 3989 transitions. [2022-07-12 07:34:17,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3989 transitions. [2022-07-12 07:34:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:17,451 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:17,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:17,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 07:34:17,451 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:17,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1329556290, now seen corresponding path program 1 times [2022-07-12 07:34:17,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:17,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491967265] [2022-07-12 07:34:17,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:17,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:17,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:17,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491967265] [2022-07-12 07:34:17,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491967265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:17,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:17,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:17,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767085642] [2022-07-12 07:34:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:17,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:17,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:17,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:17,630 INFO L87 Difference]: Start difference. First operand 2788 states and 3989 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:23,186 INFO L93 Difference]: Finished difference Result 6342 states and 9137 transitions. [2022-07-12 07:34:23,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:34:23,186 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:23,192 INFO L225 Difference]: With dead ends: 6342 [2022-07-12 07:34:23,192 INFO L226 Difference]: Without dead ends: 6102 [2022-07-12 07:34:23,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:34:23,194 INFO L413 NwaCegarLoop]: 2039 mSDtfsCounter, 17003 mSDsluCounter, 7327 mSDsCounter, 0 mSdLazyCounter, 7768 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17003 SdHoareTripleChecker+Valid, 9366 SdHoareTripleChecker+Invalid, 9038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 7768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:23,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17003 Valid, 9366 Invalid, 9038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1270 Valid, 7768 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 07:34:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6102 states. [2022-07-12 07:34:23,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6102 to 2792. [2022-07-12 07:34:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2755 states have (on average 1.4493647912885663) internal successors, (3993), 2791 states have internal predecessors, (3993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3993 transitions. [2022-07-12 07:34:23,627 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3993 transitions. Word has length 129 [2022-07-12 07:34:23,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:23,628 INFO L495 AbstractCegarLoop]: Abstraction has 2792 states and 3993 transitions. [2022-07-12 07:34:23,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3993 transitions. [2022-07-12 07:34:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:23,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:23,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:23,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 07:34:23,631 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:23,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1410747634, now seen corresponding path program 1 times [2022-07-12 07:34:23,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:23,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428276115] [2022-07-12 07:34:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:23,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:23,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428276115] [2022-07-12 07:34:23,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428276115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:23,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:23,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374911487] [2022-07-12 07:34:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:23,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:23,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:23,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:23,827 INFO L87 Difference]: Start difference. First operand 2792 states and 3993 transitions. Second operand has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:29,914 INFO L93 Difference]: Finished difference Result 6626 states and 9563 transitions. [2022-07-12 07:34:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:34:29,914 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:29,920 INFO L225 Difference]: With dead ends: 6626 [2022-07-12 07:34:29,920 INFO L226 Difference]: Without dead ends: 6338 [2022-07-12 07:34:29,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:34:29,922 INFO L413 NwaCegarLoop]: 2295 mSDtfsCounter, 21035 mSDsluCounter, 7763 mSDsCounter, 0 mSdLazyCounter, 8341 mSolverCounterSat, 1289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21035 SdHoareTripleChecker+Valid, 10058 SdHoareTripleChecker+Invalid, 9630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1289 IncrementalHoareTripleChecker+Valid, 8341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:29,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21035 Valid, 10058 Invalid, 9630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1289 Valid, 8341 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 07:34:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2022-07-12 07:34:30,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 2796. [2022-07-12 07:34:30,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.448713301920986) internal successors, (3997), 2795 states have internal predecessors, (3997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3997 transitions. [2022-07-12 07:34:30,380 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3997 transitions. Word has length 129 [2022-07-12 07:34:30,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:30,380 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3997 transitions. [2022-07-12 07:34:30,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.75) internal successors, (129), 11 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3997 transitions. [2022-07-12 07:34:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:30,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:30,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:30,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-12 07:34:30,383 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash -492901468, now seen corresponding path program 1 times [2022-07-12 07:34:30,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:30,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521906014] [2022-07-12 07:34:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:30,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:30,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521906014] [2022-07-12 07:34:30,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521906014] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:30,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:30,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:30,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83925269] [2022-07-12 07:34:30,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:30,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:30,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:30,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:30,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:30,476 INFO L87 Difference]: Start difference. First operand 2796 states and 3997 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:34,014 INFO L93 Difference]: Finished difference Result 4881 states and 6998 transitions. [2022-07-12 07:34:34,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:34,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:34,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:34,019 INFO L225 Difference]: With dead ends: 4881 [2022-07-12 07:34:34,019 INFO L226 Difference]: Without dead ends: 4648 [2022-07-12 07:34:34,020 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 [2022-07-12 07:34:34,020 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 9817 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 6638 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9817 SdHoareTripleChecker+Valid, 8041 SdHoareTripleChecker+Invalid, 6730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 6638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:34,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9817 Valid, 8041 Invalid, 6730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 6638 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:34:34,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-07-12 07:34:34,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-07-12 07:34:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.4483508517578834) internal successors, (3996), 2795 states have internal predecessors, (3996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3996 transitions. [2022-07-12 07:34:34,470 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3996 transitions. Word has length 129 [2022-07-12 07:34:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:34,471 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3996 transitions. [2022-07-12 07:34:34,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3996 transitions. [2022-07-12 07:34:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:34,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:34,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:34,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 07:34:34,473 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:34,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:34,474 INFO L85 PathProgramCache]: Analyzing trace with hash -732883344, now seen corresponding path program 1 times [2022-07-12 07:34:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:34,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980731564] [2022-07-12 07:34:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:34,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:34,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:34,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980731564] [2022-07-12 07:34:34,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980731564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:34,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:34,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:34,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874526610] [2022-07-12 07:34:34,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:34,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:34,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:34,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:34,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:34,571 INFO L87 Difference]: Start difference. First operand 2796 states and 3996 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:38,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:38,117 INFO L93 Difference]: Finished difference Result 4881 states and 6997 transitions. [2022-07-12 07:34:38,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:38,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:38,122 INFO L225 Difference]: With dead ends: 4881 [2022-07-12 07:34:38,122 INFO L226 Difference]: Without dead ends: 4648 [2022-07-12 07:34:38,123 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 [2022-07-12 07:34:38,124 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 9957 mSDsluCounter, 6056 mSDsCounter, 0 mSdLazyCounter, 6550 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9957 SdHoareTripleChecker+Valid, 7945 SdHoareTripleChecker+Invalid, 6642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 6550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:38,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9957 Valid, 7945 Invalid, 6642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 6550 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:34:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-07-12 07:34:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-07-12 07:34:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.4479884015947808) internal successors, (3995), 2795 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3995 transitions. [2022-07-12 07:34:38,614 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3995 transitions. Word has length 129 [2022-07-12 07:34:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:38,615 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3995 transitions. [2022-07-12 07:34:38,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3995 transitions. [2022-07-12 07:34:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:38,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:38,617 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:38,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-12 07:34:38,618 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:38,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:38,618 INFO L85 PathProgramCache]: Analyzing trace with hash -429367370, now seen corresponding path program 1 times [2022-07-12 07:34:38,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:38,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045036796] [2022-07-12 07:34:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:38,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:38,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:38,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:38,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045036796] [2022-07-12 07:34:38,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045036796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:38,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:38,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:38,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067795502] [2022-07-12 07:34:38,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:38,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:38,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:38,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:38,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:38,710 INFO L87 Difference]: Start difference. First operand 2796 states and 3995 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:42,410 INFO L93 Difference]: Finished difference Result 4873 states and 6984 transitions. [2022-07-12 07:34:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:42,410 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:42,415 INFO L225 Difference]: With dead ends: 4873 [2022-07-12 07:34:42,415 INFO L226 Difference]: Without dead ends: 4648 [2022-07-12 07:34:42,415 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 [2022-07-12 07:34:42,416 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 10060 mSDsluCounter, 5991 mSDsCounter, 0 mSdLazyCounter, 6398 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10060 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 6492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 6398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:42,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10060 Valid, 7794 Invalid, 6492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 6398 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:34:42,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4648 states. [2022-07-12 07:34:42,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4648 to 2796. [2022-07-12 07:34:42,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 2759 states have (on average 1.447625951431678) internal successors, (3994), 2795 states have internal predecessors, (3994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3994 transitions. [2022-07-12 07:34:42,901 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3994 transitions. Word has length 129 [2022-07-12 07:34:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:42,901 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 3994 transitions. [2022-07-12 07:34:42,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3994 transitions. [2022-07-12 07:34:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:42,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:42,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:42,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-12 07:34:42,904 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:42,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:42,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1325526123, now seen corresponding path program 1 times [2022-07-12 07:34:42,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:42,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946767788] [2022-07-12 07:34:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:42,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:43,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:43,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:43,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946767788] [2022-07-12 07:34:43,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946767788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:43,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:43,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:43,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409327745] [2022-07-12 07:34:43,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:43,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:43,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:43,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:43,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:43,005 INFO L87 Difference]: Start difference. First operand 2796 states and 3994 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:45,548 INFO L93 Difference]: Finished difference Result 4179 states and 5979 transitions. [2022-07-12 07:34:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 07:34:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:45,552 INFO L225 Difference]: With dead ends: 4179 [2022-07-12 07:34:45,552 INFO L226 Difference]: Without dead ends: 3067 [2022-07-12 07:34:45,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2022-07-12 07:34:45,554 INFO L413 NwaCegarLoop]: 1536 mSDtfsCounter, 8628 mSDsluCounter, 4483 mSDsCounter, 0 mSdLazyCounter, 4923 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8628 SdHoareTripleChecker+Valid, 6019 SdHoareTripleChecker+Invalid, 4950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 4923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:45,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8628 Valid, 6019 Invalid, 4950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 4923 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:34:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3067 states. [2022-07-12 07:34:46,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3067 to 2774. [2022-07-12 07:34:46,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4475703324808185) internal successors, (3962), 2773 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3962 transitions. [2022-07-12 07:34:46,058 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3962 transitions. Word has length 129 [2022-07-12 07:34:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:46,059 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3962 transitions. [2022-07-12 07:34:46,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3962 transitions. [2022-07-12 07:34:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:46,061 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:46,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:46,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 07:34:46,062 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash -278170955, now seen corresponding path program 1 times [2022-07-12 07:34:46,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:46,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980407282] [2022-07-12 07:34:46,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:46,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:46,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:46,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980407282] [2022-07-12 07:34:46,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980407282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:46,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:46,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:46,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066333388] [2022-07-12 07:34:46,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:46,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:46,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:46,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:46,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:46,174 INFO L87 Difference]: Start difference. First operand 2774 states and 3962 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:49,889 INFO L93 Difference]: Finished difference Result 5062 states and 7255 transitions. [2022-07-12 07:34:49,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:49,889 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:49,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:49,894 INFO L225 Difference]: With dead ends: 5062 [2022-07-12 07:34:49,894 INFO L226 Difference]: Without dead ends: 4650 [2022-07-12 07:34:49,895 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 [2022-07-12 07:34:49,896 INFO L413 NwaCegarLoop]: 1931 mSDtfsCounter, 13484 mSDsluCounter, 6295 mSDsCounter, 0 mSdLazyCounter, 6636 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13484 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 6709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:49,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13484 Valid, 8226 Invalid, 6709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 6636 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:34:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-07-12 07:34:50,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-07-12 07:34:50,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4468396054073804) internal successors, (3960), 2773 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3960 transitions. [2022-07-12 07:34:50,446 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3960 transitions. Word has length 129 [2022-07-12 07:34:50,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:50,446 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3960 transitions. [2022-07-12 07:34:50,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3960 transitions. [2022-07-12 07:34:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:50,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:50,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:50,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-12 07:34:50,449 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:50,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:50,449 INFO L85 PathProgramCache]: Analyzing trace with hash -155348533, now seen corresponding path program 1 times [2022-07-12 07:34:50,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:50,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581280366] [2022-07-12 07:34:50,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:50,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:50,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:50,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581280366] [2022-07-12 07:34:50,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581280366] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:50,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:50,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515021058] [2022-07-12 07:34:50,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:50,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:50,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:50,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:50,547 INFO L87 Difference]: Start difference. First operand 2774 states and 3960 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:54,182 INFO L93 Difference]: Finished difference Result 4914 states and 7037 transitions. [2022-07-12 07:34:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:54,182 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:54,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:54,188 INFO L225 Difference]: With dead ends: 4914 [2022-07-12 07:34:54,189 INFO L226 Difference]: Without dead ends: 4626 [2022-07-12 07:34:54,190 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 [2022-07-12 07:34:54,191 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 13465 mSDsluCounter, 5984 mSDsCounter, 0 mSdLazyCounter, 6391 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13465 SdHoareTripleChecker+Valid, 7796 SdHoareTripleChecker+Invalid, 6517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 6391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:54,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13465 Valid, 7796 Invalid, 6517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 6391 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:34:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-07-12 07:34:54,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-07-12 07:34:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4461088783339422) internal successors, (3958), 2773 states have internal predecessors, (3958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3958 transitions. [2022-07-12 07:34:54,726 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3958 transitions. Word has length 129 [2022-07-12 07:34:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:54,726 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3958 transitions. [2022-07-12 07:34:54,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3958 transitions. [2022-07-12 07:34:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:54,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:54,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:54,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-12 07:34:54,729 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:54,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:54,729 INFO L85 PathProgramCache]: Analyzing trace with hash 198098984, now seen corresponding path program 1 times [2022-07-12 07:34:54,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:54,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555546262] [2022-07-12 07:34:54,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:54,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:54,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:54,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555546262] [2022-07-12 07:34:54,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555546262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:54,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:54,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:54,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676100172] [2022-07-12 07:34:54,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:54,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:54,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:54,825 INFO L87 Difference]: Start difference. First operand 2774 states and 3958 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:58,430 INFO L93 Difference]: Finished difference Result 4910 states and 7029 transitions. [2022-07-12 07:34:58,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:58,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:34:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:58,436 INFO L225 Difference]: With dead ends: 4910 [2022-07-12 07:34:58,436 INFO L226 Difference]: Without dead ends: 4626 [2022-07-12 07:34:58,437 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 [2022-07-12 07:34:58,437 INFO L413 NwaCegarLoop]: 1812 mSDtfsCounter, 10038 mSDsluCounter, 5988 mSDsCounter, 0 mSdLazyCounter, 6384 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10038 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 6478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 6384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:58,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10038 Valid, 7800 Invalid, 6478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 6384 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:34:58,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-07-12 07:34:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-07-12 07:34:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4453781512605042) internal successors, (3956), 2773 states have internal predecessors, (3956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3956 transitions. [2022-07-12 07:34:58,992 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3956 transitions. Word has length 129 [2022-07-12 07:34:58,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:58,993 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3956 transitions. [2022-07-12 07:34:58,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3956 transitions. [2022-07-12 07:34:58,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:34:58,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:58,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:58,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-12 07:34:58,995 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:58,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:58,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1804232376, now seen corresponding path program 1 times [2022-07-12 07:34:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:58,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377294284] [2022-07-12 07:34:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:58,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:59,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:59,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377294284] [2022-07-12 07:34:59,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377294284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:59,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:59,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:59,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580091223] [2022-07-12 07:34:59,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:59,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:59,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:59,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:59,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:59,099 INFO L87 Difference]: Start difference. First operand 2774 states and 3956 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:02,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:02,765 INFO L93 Difference]: Finished difference Result 5042 states and 7216 transitions. [2022-07-12 07:35:02,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:02,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:35:02,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:02,770 INFO L225 Difference]: With dead ends: 5042 [2022-07-12 07:35:02,770 INFO L226 Difference]: Without dead ends: 4650 [2022-07-12 07:35:02,770 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 [2022-07-12 07:35:02,771 INFO L413 NwaCegarLoop]: 2063 mSDtfsCounter, 12707 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 6862 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12707 SdHoareTripleChecker+Valid, 8497 SdHoareTripleChecker+Invalid, 6929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 6862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:02,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12707 Valid, 8497 Invalid, 6929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 6862 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:35:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-07-12 07:35:03,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-07-12 07:35:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4446474241870662) internal successors, (3954), 2773 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3954 transitions. [2022-07-12 07:35:03,298 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3954 transitions. Word has length 129 [2022-07-12 07:35:03,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:03,298 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3954 transitions. [2022-07-12 07:35:03,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3954 transitions. [2022-07-12 07:35:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:35:03,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:03,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:03,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-12 07:35:03,301 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:03,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash 377874393, now seen corresponding path program 1 times [2022-07-12 07:35:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:03,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167312163] [2022-07-12 07:35:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:03,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:03,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167312163] [2022-07-12 07:35:03,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167312163] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:03,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:03,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143351538] [2022-07-12 07:35:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:03,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:03,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:03,409 INFO L87 Difference]: Start difference. First operand 2774 states and 3954 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:07,203 INFO L93 Difference]: Finished difference Result 5030 states and 7205 transitions. [2022-07-12 07:35:07,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:07,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:35:07,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:07,208 INFO L225 Difference]: With dead ends: 5030 [2022-07-12 07:35:07,208 INFO L226 Difference]: Without dead ends: 4650 [2022-07-12 07:35:07,209 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 [2022-07-12 07:35:07,209 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 13442 mSDsluCounter, 6316 mSDsCounter, 0 mSdLazyCounter, 6622 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13442 SdHoareTripleChecker+Valid, 8243 SdHoareTripleChecker+Invalid, 6695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:07,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13442 Valid, 8243 Invalid, 6695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 6622 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:35:07,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2022-07-12 07:35:07,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 2774. [2022-07-12 07:35:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.4439166971136281) internal successors, (3952), 2773 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3952 transitions. [2022-07-12 07:35:07,740 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3952 transitions. Word has length 129 [2022-07-12 07:35:07,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:07,740 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3952 transitions. [2022-07-12 07:35:07,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3952 transitions. [2022-07-12 07:35:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 07:35:07,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:07,743 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:07,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-12 07:35:07,743 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:07,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:07,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1295720559, now seen corresponding path program 1 times [2022-07-12 07:35:07,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455102188] [2022-07-12 07:35:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:07,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455102188] [2022-07-12 07:35:07,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455102188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:07,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:07,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985277780] [2022-07-12 07:35:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:07,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:07,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:07,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:07,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:07,845 INFO L87 Difference]: Start difference. First operand 2774 states and 3952 transitions. Second operand has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:11,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:11,796 INFO L93 Difference]: Finished difference Result 4902 states and 7016 transitions. [2022-07-12 07:35:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:11,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2022-07-12 07:35:11,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:11,801 INFO L225 Difference]: With dead ends: 4902 [2022-07-12 07:35:11,801 INFO L226 Difference]: Without dead ends: 4626 [2022-07-12 07:35:11,802 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 [2022-07-12 07:35:11,803 INFO L413 NwaCegarLoop]: 1971 mSDtfsCounter, 9413 mSDsluCounter, 6472 mSDsCounter, 0 mSdLazyCounter, 6946 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9413 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 7036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 6946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:11,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9413 Valid, 8443 Invalid, 7036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 6946 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:35:11,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-07-12 07:35:12,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2774. [2022-07-12 07:35:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2737 states have (on average 1.44318597004019) internal successors, (3950), 2773 states have internal predecessors, (3950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 3950 transitions. [2022-07-12 07:35:12,374 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 3950 transitions. Word has length 129 [2022-07-12 07:35:12,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:12,375 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 3950 transitions. [2022-07-12 07:35:12,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.333333333333334) internal successors, (129), 8 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3950 transitions. [2022-07-12 07:35:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:12,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:12,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:12,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-12 07:35:12,377 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:12,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1007777001, now seen corresponding path program 1 times [2022-07-12 07:35:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:12,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954039301] [2022-07-12 07:35:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:12,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:12,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954039301] [2022-07-12 07:35:12,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954039301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:12,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:12,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:12,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939583283] [2022-07-12 07:35:12,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:12,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:12,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:12,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:12,488 INFO L87 Difference]: Start difference. First operand 2774 states and 3950 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:16,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:16,811 INFO L93 Difference]: Finished difference Result 4866 states and 6957 transitions. [2022-07-12 07:35:16,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:16,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-12 07:35:16,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:16,817 INFO L225 Difference]: With dead ends: 4866 [2022-07-12 07:35:16,817 INFO L226 Difference]: Without dead ends: 4626 [2022-07-12 07:35:16,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:16,818 INFO L413 NwaCegarLoop]: 2092 mSDtfsCounter, 8677 mSDsluCounter, 8341 mSDsCounter, 0 mSdLazyCounter, 8543 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8677 SdHoareTripleChecker+Valid, 10433 SdHoareTripleChecker+Invalid, 8621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 8543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:16,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8677 Valid, 10433 Invalid, 8621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 8543 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:35:16,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4626 states. [2022-07-12 07:35:17,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4626 to 2770. [2022-07-12 07:35:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4434687156970363) internal successors, (3945), 2769 states have internal predecessors, (3945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3945 transitions. [2022-07-12 07:35:17,384 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3945 transitions. Word has length 130 [2022-07-12 07:35:17,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:17,384 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3945 transitions. [2022-07-12 07:35:17,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3945 transitions. [2022-07-12 07:35:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:17,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:17,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-12 07:35:17,386 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1785995811, now seen corresponding path program 1 times [2022-07-12 07:35:17,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:17,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189763884] [2022-07-12 07:35:17,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:17,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:17,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189763884] [2022-07-12 07:35:17,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189763884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:17,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:17,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:17,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674154732] [2022-07-12 07:35:17,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:17,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:17,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:17,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:17,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:17,489 INFO L87 Difference]: Start difference. First operand 2770 states and 3945 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:21,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:21,369 INFO L93 Difference]: Finished difference Result 4934 states and 7060 transitions. [2022-07-12 07:35:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:21,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-12 07:35:21,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:21,375 INFO L225 Difference]: With dead ends: 4934 [2022-07-12 07:35:21,375 INFO L226 Difference]: Without dead ends: 4646 [2022-07-12 07:35:21,376 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 [2022-07-12 07:35:21,376 INFO L413 NwaCegarLoop]: 2125 mSDtfsCounter, 9275 mSDsluCounter, 6635 mSDsCounter, 0 mSdLazyCounter, 7144 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9275 SdHoareTripleChecker+Valid, 8760 SdHoareTripleChecker+Invalid, 7196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 7144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:21,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9275 Valid, 8760 Invalid, 7196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 7144 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:35:21,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4646 states. [2022-07-12 07:35:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4646 to 2766. [2022-07-12 07:35:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4437522902161963) internal successors, (3940), 2765 states have internal predecessors, (3940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3940 transitions. [2022-07-12 07:35:21,961 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3940 transitions. Word has length 130 [2022-07-12 07:35:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:21,961 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3940 transitions. [2022-07-12 07:35:21,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3940 transitions. [2022-07-12 07:35:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:21,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:21,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:21,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-12 07:35:21,964 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:21,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1476058932, now seen corresponding path program 1 times [2022-07-12 07:35:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:21,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780669242] [2022-07-12 07:35:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:22,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:22,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780669242] [2022-07-12 07:35:22,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780669242] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:22,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:22,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:22,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705108253] [2022-07-12 07:35:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:22,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:22,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:22,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:22,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:22,059 INFO L87 Difference]: Start difference. First operand 2766 states and 3940 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:26,050 INFO L93 Difference]: Finished difference Result 5090 states and 7282 transitions. [2022-07-12 07:35:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:26,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-07-12 07:35:26,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:26,056 INFO L225 Difference]: With dead ends: 5090 [2022-07-12 07:35:26,056 INFO L226 Difference]: Without dead ends: 4678 [2022-07-12 07:35:26,057 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 [2022-07-12 07:35:26,058 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 6309 mSDsluCounter, 6841 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6309 SdHoareTripleChecker+Valid, 9168 SdHoareTripleChecker+Invalid, 7364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:26,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 9168 Invalid, 7364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:35:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2022-07-12 07:35:26,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 2762. [2022-07-12 07:35:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4440366972477063) internal successors, (3935), 2761 states have internal predecessors, (3935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3935 transitions. [2022-07-12 07:35:26,603 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3935 transitions. Word has length 130 [2022-07-12 07:35:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:26,603 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3935 transitions. [2022-07-12 07:35:26,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3935 transitions. [2022-07-12 07:35:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:26,605 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:26,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:26,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-12 07:35:26,606 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1605767138, now seen corresponding path program 1 times [2022-07-12 07:35:26,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:26,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903930932] [2022-07-12 07:35:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:26,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:26,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903930932] [2022-07-12 07:35:26,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903930932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:26,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:26,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:26,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527719062] [2022-07-12 07:35:26,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:26,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:26,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:26,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:26,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:26,710 INFO L87 Difference]: Start difference. First operand 2762 states and 3935 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:31,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:31,054 INFO L93 Difference]: Finished difference Result 4785 states and 6830 transitions. [2022-07-12 07:35:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:35:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:31,060 INFO L225 Difference]: With dead ends: 4785 [2022-07-12 07:35:31,060 INFO L226 Difference]: Without dead ends: 4570 [2022-07-12 07:35:31,061 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 [2022-07-12 07:35:31,061 INFO L413 NwaCegarLoop]: 1897 mSDtfsCounter, 11421 mSDsluCounter, 7861 mSDsCounter, 0 mSdLazyCounter, 8128 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11421 SdHoareTripleChecker+Valid, 9758 SdHoareTripleChecker+Invalid, 8309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 8128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:31,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11421 Valid, 9758 Invalid, 8309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 8128 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 07:35:31,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2022-07-12 07:35:31,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 2762. [2022-07-12 07:35:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2725 states have (on average 1.4436697247706423) internal successors, (3934), 2761 states have internal predecessors, (3934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3934 transitions. [2022-07-12 07:35:31,654 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3934 transitions. Word has length 131 [2022-07-12 07:35:31,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:31,654 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3934 transitions. [2022-07-12 07:35:31,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3934 transitions. [2022-07-12 07:35:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:31,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:31,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:31,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-12 07:35:31,657 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash 400845992, now seen corresponding path program 1 times [2022-07-12 07:35:31,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:31,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110986043] [2022-07-12 07:35:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:31,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:31,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:31,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110986043] [2022-07-12 07:35:31,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110986043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:31,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:31,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:35:31,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170804000] [2022-07-12 07:35:31,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:31,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:35:31,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:31,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:35:31,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:35:31,828 INFO L87 Difference]: Start difference. First operand 2762 states and 3934 transitions. Second operand has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:38,714 INFO L93 Difference]: Finished difference Result 6344 states and 9105 transitions. [2022-07-12 07:35:38,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:35:38,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:35:38,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:38,723 INFO L225 Difference]: With dead ends: 6344 [2022-07-12 07:35:38,723 INFO L226 Difference]: Without dead ends: 6090 [2022-07-12 07:35:38,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:35:38,725 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 18829 mSDsluCounter, 8579 mSDsCounter, 0 mSdLazyCounter, 8983 mSolverCounterSat, 1329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18829 SdHoareTripleChecker+Valid, 10861 SdHoareTripleChecker+Invalid, 10312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1329 IncrementalHoareTripleChecker+Valid, 8983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:38,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18829 Valid, 10861 Invalid, 10312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1329 Valid, 8983 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-12 07:35:38,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6090 states. [2022-07-12 07:35:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6090 to 2766. [2022-07-12 07:35:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4430194210333456) internal successors, (3938), 2765 states have internal predecessors, (3938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3938 transitions. [2022-07-12 07:35:39,545 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3938 transitions. Word has length 131 [2022-07-12 07:35:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:39,545 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3938 transitions. [2022-07-12 07:35:39,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3938 transitions. [2022-07-12 07:35:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:39,549 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:39,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:39,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-12 07:35:39,549 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:39,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1724721269, now seen corresponding path program 1 times [2022-07-12 07:35:39,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:39,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914827274] [2022-07-12 07:35:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:39,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:39,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:39,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914827274] [2022-07-12 07:35:39,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914827274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:39,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:39,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:39,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037955347] [2022-07-12 07:35:39,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:39,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:39,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:39,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:39,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:39,692 INFO L87 Difference]: Start difference. First operand 2766 states and 3938 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:45,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:45,092 INFO L93 Difference]: Finished difference Result 4784 states and 6828 transitions. [2022-07-12 07:35:45,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:45,093 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:35:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:45,099 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:35:45,099 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:35:45,100 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 [2022-07-12 07:35:45,101 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 11299 mSDsluCounter, 8052 mSDsCounter, 0 mSdLazyCounter, 8330 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11299 SdHoareTripleChecker+Valid, 10012 SdHoareTripleChecker+Invalid, 8509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 8330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:45,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11299 Valid, 10012 Invalid, 8509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 8330 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 07:35:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:35:45,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2766. [2022-07-12 07:35:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4426529864419202) internal successors, (3937), 2765 states have internal predecessors, (3937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3937 transitions. [2022-07-12 07:35:45,757 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3937 transitions. Word has length 131 [2022-07-12 07:35:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:45,757 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3937 transitions. [2022-07-12 07:35:45,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3937 transitions. [2022-07-12 07:35:45,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:45,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:45,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:45,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-12 07:35:45,760 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:45,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1011705232, now seen corresponding path program 1 times [2022-07-12 07:35:45,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:45,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618001202] [2022-07-12 07:35:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:45,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:45,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618001202] [2022-07-12 07:35:45,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618001202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:45,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:45,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:45,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83830544] [2022-07-12 07:35:45,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:45,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:45,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:45,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:45,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:45,869 INFO L87 Difference]: Start difference. First operand 2766 states and 3937 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:50,406 INFO L93 Difference]: Finished difference Result 4789 states and 6832 transitions. [2022-07-12 07:35:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:35:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:50,411 INFO L225 Difference]: With dead ends: 4789 [2022-07-12 07:35:50,411 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:35:50,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:50,413 INFO L413 NwaCegarLoop]: 2042 mSDtfsCounter, 8615 mSDsluCounter, 8168 mSDsCounter, 0 mSdLazyCounter, 8475 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8615 SdHoareTripleChecker+Valid, 10210 SdHoareTripleChecker+Invalid, 8617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 8475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:50,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8615 Valid, 10210 Invalid, 8617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 8475 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:35:50,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:35:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2766. [2022-07-12 07:35:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4422865518504946) internal successors, (3936), 2765 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:51,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3936 transitions. [2022-07-12 07:35:51,019 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3936 transitions. Word has length 131 [2022-07-12 07:35:51,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:51,019 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3936 transitions. [2022-07-12 07:35:51,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3936 transitions. [2022-07-12 07:35:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:51,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:51,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:51,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-12 07:35:51,022 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:51,022 INFO L85 PathProgramCache]: Analyzing trace with hash -268340785, now seen corresponding path program 1 times [2022-07-12 07:35:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160132684] [2022-07-12 07:35:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:51,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:51,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160132684] [2022-07-12 07:35:51,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160132684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:51,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:51,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:51,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727025342] [2022-07-12 07:35:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:51,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:51,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:51,126 INFO L87 Difference]: Start difference. First operand 2766 states and 3936 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:55,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:55,266 INFO L93 Difference]: Finished difference Result 4784 states and 6825 transitions. [2022-07-12 07:35:55,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:55,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:35:55,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:55,278 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:35:55,278 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:35:55,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:55,279 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 11155 mSDsluCounter, 6524 mSDsCounter, 0 mSdLazyCounter, 7150 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11155 SdHoareTripleChecker+Valid, 8562 SdHoareTripleChecker+Invalid, 7327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 7150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:55,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11155 Valid, 8562 Invalid, 7327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 7150 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:35:55,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:35:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2766. [2022-07-12 07:35:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2729 states have (on average 1.4419201172590692) internal successors, (3935), 2765 states have internal predecessors, (3935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 3935 transitions. [2022-07-12 07:35:55,904 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 3935 transitions. Word has length 131 [2022-07-12 07:35:55,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:55,904 INFO L495 AbstractCegarLoop]: Abstraction has 2766 states and 3935 transitions. [2022-07-12 07:35:55,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3935 transitions. [2022-07-12 07:35:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:35:55,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:55,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:35:55,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-12 07:35:55,911 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:55,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:55,911 INFO L85 PathProgramCache]: Analyzing trace with hash 198760446, now seen corresponding path program 1 times [2022-07-12 07:35:55,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:55,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019278421] [2022-07-12 07:35:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:56,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:56,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019278421] [2022-07-12 07:35:56,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019278421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:56,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:56,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:35:56,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133656364] [2022-07-12 07:35:56,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:56,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:35:56,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:56,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:35:56,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:35:56,071 INFO L87 Difference]: Start difference. First operand 2766 states and 3935 transitions. Second operand has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:03,041 INFO L93 Difference]: Finished difference Result 6062 states and 8686 transitions. [2022-07-12 07:36:03,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:36:03,041 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:03,047 INFO L225 Difference]: With dead ends: 6062 [2022-07-12 07:36:03,047 INFO L226 Difference]: Without dead ends: 5847 [2022-07-12 07:36:03,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:36:03,048 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 16019 mSDsluCounter, 9289 mSDsCounter, 0 mSdLazyCounter, 9535 mSolverCounterSat, 1364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16019 SdHoareTripleChecker+Valid, 11330 SdHoareTripleChecker+Invalid, 10899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1364 IncrementalHoareTripleChecker+Valid, 9535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:03,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16019 Valid, 11330 Invalid, 10899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1364 Valid, 9535 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-12 07:36:03,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2022-07-12 07:36:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 2770. [2022-07-12 07:36:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4412733260153676) internal successors, (3939), 2769 states have internal predecessors, (3939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3939 transitions. [2022-07-12 07:36:03,737 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3939 transitions. Word has length 131 [2022-07-12 07:36:03,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:03,737 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3939 transitions. [2022-07-12 07:36:03,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.916666666666666) internal successors, (131), 11 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3939 transitions. [2022-07-12 07:36:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:03,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:03,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:03,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-12 07:36:03,741 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:03,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:03,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1756890139, now seen corresponding path program 1 times [2022-07-12 07:36:03,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:03,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707531095] [2022-07-12 07:36:03,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:03,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:03,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707531095] [2022-07-12 07:36:03,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707531095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:03,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:03,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:03,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153579061] [2022-07-12 07:36:03,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:03,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:03,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:03,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:03,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:03,867 INFO L87 Difference]: Start difference. First operand 2770 states and 3939 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:08,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:08,446 INFO L93 Difference]: Finished difference Result 4784 states and 6822 transitions. [2022-07-12 07:36:08,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:08,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:08,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:08,451 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:36:08,451 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:08,452 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 [2022-07-12 07:36:08,452 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 11321 mSDsluCounter, 7995 mSDsCounter, 0 mSdLazyCounter, 8237 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11321 SdHoareTripleChecker+Valid, 9936 SdHoareTripleChecker+Invalid, 8416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 8237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:08,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11321 Valid, 9936 Invalid, 8416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 8237 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 07:36:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4409074277350897) internal successors, (3938), 2769 states have internal predecessors, (3938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3938 transitions. [2022-07-12 07:36:09,228 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3938 transitions. Word has length 131 [2022-07-12 07:36:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:09,228 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3938 transitions. [2022-07-12 07:36:09,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3938 transitions. [2022-07-12 07:36:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:09,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:09,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:09,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-12 07:36:09,232 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:09,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:09,232 INFO L85 PathProgramCache]: Analyzing trace with hash -332393185, now seen corresponding path program 1 times [2022-07-12 07:36:09,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:09,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514340277] [2022-07-12 07:36:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:09,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:09,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514340277] [2022-07-12 07:36:09,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514340277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:09,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:09,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457969871] [2022-07-12 07:36:09,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:09,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:09,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:09,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:09,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:09,337 INFO L87 Difference]: Start difference. First operand 2770 states and 3938 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:13,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:13,666 INFO L93 Difference]: Finished difference Result 4784 states and 6821 transitions. [2022-07-12 07:36:13,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:13,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:13,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:13,671 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:36:13,671 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:13,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:13,672 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 8803 mSDsluCounter, 7117 mSDsCounter, 0 mSdLazyCounter, 7523 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8803 SdHoareTripleChecker+Valid, 9077 SdHoareTripleChecker+Invalid, 7668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 7523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:13,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8803 Valid, 9077 Invalid, 7668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 7523 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 07:36:13,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:14,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4405415294548116) internal successors, (3937), 2769 states have internal predecessors, (3937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3937 transitions. [2022-07-12 07:36:14,366 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3937 transitions. Word has length 131 [2022-07-12 07:36:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:14,366 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3937 transitions. [2022-07-12 07:36:14,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3937 transitions. [2022-07-12 07:36:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:14,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:14,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:14,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-12 07:36:14,369 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 71533926, now seen corresponding path program 1 times [2022-07-12 07:36:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943138738] [2022-07-12 07:36:14,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:14,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:14,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943138738] [2022-07-12 07:36:14,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943138738] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:14,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:14,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:14,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585604478] [2022-07-12 07:36:14,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:14,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:14,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:14,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:14,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:14,469 INFO L87 Difference]: Start difference. First operand 2770 states and 3937 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:18,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:18,618 INFO L93 Difference]: Finished difference Result 4782 states and 6817 transitions. [2022-07-12 07:36:18,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:18,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:18,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:18,623 INFO L225 Difference]: With dead ends: 4782 [2022-07-12 07:36:18,623 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:18,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:18,624 INFO L413 NwaCegarLoop]: 1879 mSDtfsCounter, 11415 mSDsluCounter, 6176 mSDsCounter, 0 mSdLazyCounter, 6709 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11415 SdHoareTripleChecker+Valid, 8055 SdHoareTripleChecker+Invalid, 6890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 6709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:18,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11415 Valid, 8055 Invalid, 6890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 6709 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:36:18,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:19,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4401756311745335) internal successors, (3936), 2769 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3936 transitions. [2022-07-12 07:36:19,334 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3936 transitions. Word has length 131 [2022-07-12 07:36:19,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:19,334 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3936 transitions. [2022-07-12 07:36:19,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3936 transitions. [2022-07-12 07:36:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:19,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:19,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:19,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-12 07:36:19,336 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:19,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:19,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1692837739, now seen corresponding path program 1 times [2022-07-12 07:36:19,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:19,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181524449] [2022-07-12 07:36:19,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:19,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:19,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:19,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181524449] [2022-07-12 07:36:19,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181524449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:19,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:19,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:19,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302953260] [2022-07-12 07:36:19,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:19,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:19,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:19,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:19,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:19,442 INFO L87 Difference]: Start difference. First operand 2770 states and 3936 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:24,202 INFO L93 Difference]: Finished difference Result 4784 states and 6818 transitions. [2022-07-12 07:36:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:24,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:24,209 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:36:24,209 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:24,211 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 [2022-07-12 07:36:24,211 INFO L413 NwaCegarLoop]: 1941 mSDtfsCounter, 11309 mSDsluCounter, 7996 mSDsCounter, 0 mSdLazyCounter, 8217 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11309 SdHoareTripleChecker+Valid, 9937 SdHoareTripleChecker+Invalid, 8396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 8217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:24,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11309 Valid, 9937 Invalid, 8396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 8217 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:36:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4398097328942554) internal successors, (3935), 2769 states have internal predecessors, (3935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3935 transitions. [2022-07-12 07:36:24,972 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3935 transitions. Word has length 131 [2022-07-12 07:36:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:24,972 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3935 transitions. [2022-07-12 07:36:24,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3935 transitions. [2022-07-12 07:36:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:24,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:24,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:24,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-12 07:36:24,974 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:24,975 INFO L85 PathProgramCache]: Analyzing trace with hash 135475635, now seen corresponding path program 1 times [2022-07-12 07:36:24,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:24,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370680033] [2022-07-12 07:36:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:25,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:25,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370680033] [2022-07-12 07:36:25,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370680033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:25,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:25,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952913415] [2022-07-12 07:36:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:25,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:25,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:25,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:25,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:25,073 INFO L87 Difference]: Start difference. First operand 2770 states and 3935 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:29,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:29,342 INFO L93 Difference]: Finished difference Result 4789 states and 6821 transitions. [2022-07-12 07:36:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:29,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:29,347 INFO L225 Difference]: With dead ends: 4789 [2022-07-12 07:36:29,348 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:29,349 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 [2022-07-12 07:36:29,349 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 9118 mSDsluCounter, 6449 mSDsCounter, 0 mSdLazyCounter, 7082 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9118 SdHoareTripleChecker+Valid, 8463 SdHoareTripleChecker+Invalid, 7246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 7082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:29,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9118 Valid, 8463 Invalid, 7246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 7082 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 07:36:29,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:30,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4394438346139773) internal successors, (3934), 2769 states have internal predecessors, (3934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3934 transitions. [2022-07-12 07:36:30,042 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3934 transitions. Word has length 131 [2022-07-12 07:36:30,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:30,042 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3934 transitions. [2022-07-12 07:36:30,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3934 transitions. [2022-07-12 07:36:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:30,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:30,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:30,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-12 07:36:30,045 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1315496971, now seen corresponding path program 1 times [2022-07-12 07:36:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:30,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407068008] [2022-07-12 07:36:30,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:30,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:30,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407068008] [2022-07-12 07:36:30,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407068008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:30,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:30,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46842699] [2022-07-12 07:36:30,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:30,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:30,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:30,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:30,149 INFO L87 Difference]: Start difference. First operand 2770 states and 3934 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:34,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:34,690 INFO L93 Difference]: Finished difference Result 4784 states and 6815 transitions. [2022-07-12 07:36:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:34,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 07:36:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:34,695 INFO L225 Difference]: With dead ends: 4784 [2022-07-12 07:36:34,695 INFO L226 Difference]: Without dead ends: 4574 [2022-07-12 07:36:34,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:34,697 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 8734 mSDsluCounter, 7934 mSDsCounter, 0 mSdLazyCounter, 8153 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8734 SdHoareTripleChecker+Valid, 9894 SdHoareTripleChecker+Invalid, 8297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 8153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:34,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8734 Valid, 9894 Invalid, 8297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 8153 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 07:36:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-12 07:36:35,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 2770. [2022-07-12 07:36:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2733 states have (on average 1.4390779363336992) internal successors, (3933), 2769 states have internal predecessors, (3933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3933 transitions. [2022-07-12 07:36:35,450 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3933 transitions. Word has length 131 [2022-07-12 07:36:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:35,450 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3933 transitions. [2022-07-12 07:36:35,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3933 transitions. [2022-07-12 07:36:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:36:35,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:35,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:36:35,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-12 07:36:35,453 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash -310745543, now seen corresponding path program 1 times [2022-07-12 07:36:35,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:35,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363663931] [2022-07-12 07:36:35,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:35,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:35,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363663931] [2022-07-12 07:36:35,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363663931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:35,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:35,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:35,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819371483] [2022-07-12 07:36:35,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:35,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:35,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:35,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:35,565 INFO L87 Difference]: Start difference. First operand 2770 states and 3933 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)