./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 18:40:30,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 18:40:30,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 18:40:30,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 18:40:30,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 18:40:30,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 18:40:30,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 18:40:30,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 18:40:30,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 18:40:30,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 18:40:30,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 18:40:30,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 18:40:30,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 18:40:30,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 18:40:30,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 18:40:30,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 18:40:30,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 18:40:30,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 18:40:30,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 18:40:30,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 18:40:30,393 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 18:40:30,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 18:40:30,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 18:40:30,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 18:40:30,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 18:40:30,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 18:40:30,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 18:40:30,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 18:40:30,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 18:40:30,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 18:40:30,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 18:40:30,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 18:40:30,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 18:40:30,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 18:40:30,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 18:40:30,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 18:40:30,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 18:40:30,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 18:40:30,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 18:40:30,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 18:40:30,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 18:40:30,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 18:40:30,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 18:40:30,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 18:40:30,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 18:40:30,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 18:40:30,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 18:40:30,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 18:40:30,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 18:40:30,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 18:40:30,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 18:40:30,425 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 18:40:30,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 18:40:30,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 18:40:30,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 18:40:30,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 18:40:30,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 18:40:30,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 18:40:30,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 18:40:30,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 18:40:30,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 18:40:30,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 18:40:30,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 18:40:30,429 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 18:40:30,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 18:40:30,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 18:40:30,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ee0c03ea7571fbf8ad45188f5238b16bf8ad4a8ddf56fc7d5d394e59af71d1f [2022-07-22 18:40:30,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 18:40:30,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 18:40:30,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 18:40:30,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 18:40:30,642 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 18:40:30,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-07-22 18:40:30,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c491ae71c/ae79f133bb164cc1b550d48a84e2fc20/FLAG02b55a8ef [2022-07-22 18:40:31,172 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 18:40:31,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-07-22 18:40:31,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c491ae71c/ae79f133bb164cc1b550d48a84e2fc20/FLAG02b55a8ef [2022-07-22 18:40:31,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c491ae71c/ae79f133bb164cc1b550d48a84e2fc20 [2022-07-22 18:40:31,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 18:40:31,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 18:40:31,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 18:40:31,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 18:40:31,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 18:40:31,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:40:31" (1/1) ... [2022-07-22 18:40:31,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198ee98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:31, skipping insertion in model container [2022-07-22 18:40:31,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:40:31" (1/1) ... [2022-07-22 18:40:31,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 18:40:31,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 18:40:31,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2022-07-22 18:40:31,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2022-07-22 18:40:31,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2022-07-22 18:40:31,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2022-07-22 18:40:31,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2022-07-22 18:40:31,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2022-07-22 18:40:31,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2022-07-22 18:40:31,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2022-07-22 18:40:31,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2022-07-22 18:40:31,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2022-07-22 18:40:31,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2022-07-22 18:40:31,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2022-07-22 18:40:31,888 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.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2022-07-22 18:40:31,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2022-07-22 18:40:31,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2022-07-22 18:40:31,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2022-07-22 18:40:31,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 18:40:31,996 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 18:40:32,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37768,37781] [2022-07-22 18:40:32,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53783,53796] [2022-07-22 18:40:32,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61800,61813] [2022-07-22 18:40:32,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65782,65795] [2022-07-22 18:40:32,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69649,69662] [2022-07-22 18:40:32,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86712,86725] [2022-07-22 18:40:32,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94766,94779] [2022-07-22 18:40:32,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98785,98798] [2022-07-22 18:40:32,191 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.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102689,102702] [2022-07-22 18:40:32,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[107203,107216] [2022-07-22 18:40:32,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[111131,111144] [2022-07-22 18:40:32,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[115150,115163] [2022-07-22 18:40:32,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[119054,119067] [2022-07-22 18:40:32,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[123189,123202] [2022-07-22 18:40:32,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[127260,127273] [2022-07-22 18:40:32,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[131260,131273] [2022-07-22 18:40:32,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 18:40:32,271 INFO L208 MainTranslator]: Completed translation [2022-07-22 18:40:32,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32 WrapperNode [2022-07-22 18:40:32,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 18:40:32,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 18:40:32,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 18:40:32,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 18:40:32,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,389 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5851 [2022-07-22 18:40:32,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 18:40:32,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 18:40:32,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 18:40:32,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 18:40:32,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 18:40:32,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 18:40:32,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 18:40:32,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 18:40:32,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (1/1) ... [2022-07-22 18:40:32,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 18:40:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 18:40:32,522 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) [2022-07-22 18:40:32,533 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 [2022-07-22 18:40:32,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 18:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 18:40:32,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 18:40:32,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 18:40:32,799 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 18:40:32,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 18:40:34,450 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 18:40:34,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 18:40:34,460 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 18:40:34,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:40:34 BoogieIcfgContainer [2022-07-22 18:40:34,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 18:40:34,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 18:40:34,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 18:40:34,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 18:40:34,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 06:40:31" (1/3) ... [2022-07-22 18:40:34,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daf1850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:40:34, skipping insertion in model container [2022-07-22 18:40:34,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:40:32" (2/3) ... [2022-07-22 18:40:34,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1daf1850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:40:34, skipping insertion in model container [2022-07-22 18:40:34,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:40:34" (3/3) ... [2022-07-22 18:40:34,468 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2022-07-22 18:40:34,477 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 18:40:34,477 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-07-22 18:40:34,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 18:40:34,554 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@1464f5c7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@45e1db8a [2022-07-22 18:40:34,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-07-22 18:40:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 18:40:34,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:34,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:34,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:34,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1494001524, now seen corresponding path program 1 times [2022-07-22 18:40:34,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:34,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688512922] [2022-07-22 18:40:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:34,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:34,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:34,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688512922] [2022-07-22 18:40:34,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688512922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:34,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:34,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 18:40:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610811497] [2022-07-22 18:40:34,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:34,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 18:40:34,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:34,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 18:40:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 18:40:34,867 INFO L87 Difference]: Start difference. First operand has 1193 states, 1176 states have (on average 1.7704081632653061) internal successors, (2082), 1192 states have internal predecessors, (2082), 0 states have call successors, (0), 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 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:35,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:35,817 INFO L93 Difference]: Finished difference Result 1974 states and 3328 transitions. [2022-07-22 18:40:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:40:35,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-07-22 18:40:35,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:35,831 INFO L225 Difference]: With dead ends: 1974 [2022-07-22 18:40:35,831 INFO L226 Difference]: Without dead ends: 1363 [2022-07-22 18:40:35,840 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 [2022-07-22 18:40:35,842 INFO L413 NwaCegarLoop]: 917 mSDtfsCounter, 6004 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6004 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:35,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6004 Valid, 1303 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 18:40:35,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2022-07-22 18:40:35,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1247. [2022-07-22 18:40:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1231 states have (on average 1.3233143785540211) internal successors, (1629), 1246 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1629 transitions. [2022-07-22 18:40:35,948 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1629 transitions. Word has length 73 [2022-07-22 18:40:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:35,948 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1629 transitions. [2022-07-22 18:40:35,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1629 transitions. [2022-07-22 18:40:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 18:40:35,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:35,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:35,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 18:40:35,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:35,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:35,955 INFO L85 PathProgramCache]: Analyzing trace with hash -2060458333, now seen corresponding path program 1 times [2022-07-22 18:40:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:35,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122916841] [2022-07-22 18:40:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:35,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:36,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:36,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122916841] [2022-07-22 18:40:36,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122916841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:36,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:36,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 18:40:36,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607908893] [2022-07-22 18:40:36,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:36,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 18:40:36,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:36,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 18:40:36,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 18:40:36,144 INFO L87 Difference]: Start difference. First operand 1247 states and 1629 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:36,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:36,702 INFO L93 Difference]: Finished difference Result 1712 states and 2253 transitions. [2022-07-22 18:40:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:40:36,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-07-22 18:40:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:36,707 INFO L225 Difference]: With dead ends: 1712 [2022-07-22 18:40:36,707 INFO L226 Difference]: Without dead ends: 1183 [2022-07-22 18:40:36,708 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 [2022-07-22 18:40:36,709 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 3250 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:36,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 563 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:36,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-07-22 18:40:36,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2022-07-22 18:40:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1167 states have (on average 1.332476435304199) internal successors, (1555), 1182 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1555 transitions. [2022-07-22 18:40:36,756 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1555 transitions. Word has length 73 [2022-07-22 18:40:36,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:36,757 INFO L495 AbstractCegarLoop]: Abstraction has 1183 states and 1555 transitions. [2022-07-22 18:40:36,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:36,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1555 transitions. [2022-07-22 18:40:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-22 18:40:36,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:36,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:36,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 18:40:36,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:36,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:36,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1618618520, now seen corresponding path program 1 times [2022-07-22 18:40:36,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:36,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178842171] [2022-07-22 18:40:36,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:36,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:36,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:36,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178842171] [2022-07-22 18:40:36,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178842171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:36,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:36,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 18:40:36,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448378346] [2022-07-22 18:40:36,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:36,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 18:40:36,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:36,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 18:40:36,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 18:40:36,839 INFO L87 Difference]: Start difference. First operand 1183 states and 1555 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:37,215 INFO L93 Difference]: Finished difference Result 1395 states and 1829 transitions. [2022-07-22 18:40:37,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:40:37,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-07-22 18:40:37,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:37,218 INFO L225 Difference]: With dead ends: 1395 [2022-07-22 18:40:37,218 INFO L226 Difference]: Without dead ends: 802 [2022-07-22 18:40:37,219 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 [2022-07-22 18:40:37,220 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 2130 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:37,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 417 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 18:40:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-07-22 18:40:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2022-07-22 18:40:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 786 states have (on average 1.340966921119593) internal successors, (1054), 801 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1054 transitions. [2022-07-22 18:40:37,245 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1054 transitions. Word has length 73 [2022-07-22 18:40:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:37,246 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 1054 transitions. [2022-07-22 18:40:37,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1054 transitions. [2022-07-22 18:40:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-22 18:40:37,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:37,247 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] [2022-07-22 18:40:37,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 18:40:37,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:37,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:37,248 INFO L85 PathProgramCache]: Analyzing trace with hash -700009990, now seen corresponding path program 1 times [2022-07-22 18:40:37,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:37,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101485316] [2022-07-22 18:40:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:37,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101485316] [2022-07-22 18:40:37,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101485316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:37,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:37,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 18:40:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053143157] [2022-07-22 18:40:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:37,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 18:40:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 18:40:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 18:40:37,305 INFO L87 Difference]: Start difference. First operand 802 states and 1054 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:37,554 INFO L93 Difference]: Finished difference Result 1126 states and 1489 transitions. [2022-07-22 18:40:37,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:40:37,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-07-22 18:40:37,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:37,557 INFO L225 Difference]: With dead ends: 1126 [2022-07-22 18:40:37,557 INFO L226 Difference]: Without dead ends: 691 [2022-07-22 18:40:37,558 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 [2022-07-22 18:40:37,559 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1844 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1844 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:37,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1844 Valid, 368 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:40:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2022-07-22 18:40:37,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 691. [2022-07-22 18:40:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 675 states have (on average 1.3555555555555556) internal successors, (915), 690 states have internal predecessors, (915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 915 transitions. [2022-07-22 18:40:37,582 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 915 transitions. Word has length 75 [2022-07-22 18:40:37,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:37,583 INFO L495 AbstractCegarLoop]: Abstraction has 691 states and 915 transitions. [2022-07-22 18:40:37,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 915 transitions. [2022-07-22 18:40:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-07-22 18:40:37,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:37,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:37,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 18:40:37,585 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:37,585 INFO L85 PathProgramCache]: Analyzing trace with hash 137435073, now seen corresponding path program 1 times [2022-07-22 18:40:37,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:37,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848513203] [2022-07-22 18:40:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:37,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:37,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:37,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848513203] [2022-07-22 18:40:37,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848513203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:37,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:37,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 18:40:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620793359] [2022-07-22 18:40:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:37,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 18:40:37,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 18:40:37,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 18:40:37,658 INFO L87 Difference]: Start difference. First operand 691 states and 915 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:37,851 INFO L93 Difference]: Finished difference Result 966 states and 1281 transitions. [2022-07-22 18:40:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 18:40:37,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-07-22 18:40:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:37,854 INFO L225 Difference]: With dead ends: 966 [2022-07-22 18:40:37,854 INFO L226 Difference]: Without dead ends: 587 [2022-07-22 18:40:37,855 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 [2022-07-22 18:40:37,855 INFO L413 NwaCegarLoop]: 314 mSDtfsCounter, 1533 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:37,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1533 Valid, 334 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:40:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-07-22 18:40:37,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2022-07-22 18:40:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.362521891418564) internal successors, (778), 586 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 778 transitions. [2022-07-22 18:40:37,878 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 778 transitions. Word has length 77 [2022-07-22 18:40:37,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:37,878 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 778 transitions. [2022-07-22 18:40:37,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 778 transitions. [2022-07-22 18:40:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 18:40:37,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:37,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:37,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 18:40:37,880 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:37,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:37,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1748744325, now seen corresponding path program 1 times [2022-07-22 18:40:37,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:37,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948359978] [2022-07-22 18:40:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:37,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:37,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:37,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948359978] [2022-07-22 18:40:37,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948359978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:37,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:37,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 18:40:37,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414247758] [2022-07-22 18:40:37,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:37,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 18:40:37,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:37,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 18:40:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:40:37,998 INFO L87 Difference]: Start difference. First operand 587 states and 778 transitions. Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:38,809 INFO L93 Difference]: Finished difference Result 1281 states and 1736 transitions. [2022-07-22 18:40:38,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 18:40:38,810 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-07-22 18:40:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:38,813 INFO L225 Difference]: With dead ends: 1281 [2022-07-22 18:40:38,813 INFO L226 Difference]: Without dead ends: 1009 [2022-07-22 18:40:38,813 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 [2022-07-22 18:40:38,814 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 3739 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 2124 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:38,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 2124 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:40:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2022-07-22 18:40:38,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 587. [2022-07-22 18:40:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3590192644483363) internal successors, (776), 586 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 776 transitions. [2022-07-22 18:40:38,842 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 776 transitions. Word has length 79 [2022-07-22 18:40:38,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:38,842 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 776 transitions. [2022-07-22 18:40:38,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 10 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 776 transitions. [2022-07-22 18:40:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 18:40:38,843 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:38,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:38,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 18:40:38,844 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:38,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:38,844 INFO L85 PathProgramCache]: Analyzing trace with hash -945208837, now seen corresponding path program 1 times [2022-07-22 18:40:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:38,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193209103] [2022-07-22 18:40:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:38,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:38,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193209103] [2022-07-22 18:40:38,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193209103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:38,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:38,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:40:38,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754520975] [2022-07-22 18:40:38,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:38,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 18:40:38,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:38,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 18:40:38,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-22 18:40:38,962 INFO L87 Difference]: Start difference. First operand 587 states and 776 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:39,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:39,469 INFO L93 Difference]: Finished difference Result 1128 states and 1472 transitions. [2022-07-22 18:40:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 18:40:39,470 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-07-22 18:40:39,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:39,472 INFO L225 Difference]: With dead ends: 1128 [2022-07-22 18:40:39,473 INFO L226 Difference]: Without dead ends: 836 [2022-07-22 18:40:39,473 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 [2022-07-22 18:40:39,474 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 2825 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:39,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 1030 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2022-07-22 18:40:39,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 587. [2022-07-22 18:40:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3572679509632224) internal successors, (775), 586 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:39,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 775 transitions. [2022-07-22 18:40:39,518 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 775 transitions. Word has length 79 [2022-07-22 18:40:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:39,518 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 775 transitions. [2022-07-22 18:40:39,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 775 transitions. [2022-07-22 18:40:39,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 18:40:39,520 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:39,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:39,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 18:40:39,521 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:39,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -883245509, now seen corresponding path program 1 times [2022-07-22 18:40:39,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:39,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623243684] [2022-07-22 18:40:39,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:39,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:39,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623243684] [2022-07-22 18:40:39,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623243684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:39,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:39,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974117990] [2022-07-22 18:40:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:39,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:39,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:39,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:39,622 INFO L87 Difference]: Start difference. First operand 587 states and 775 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:40,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:40,392 INFO L93 Difference]: Finished difference Result 1355 states and 1861 transitions. [2022-07-22 18:40:40,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-07-22 18:40:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:40,396 INFO L225 Difference]: With dead ends: 1355 [2022-07-22 18:40:40,396 INFO L226 Difference]: Without dead ends: 1198 [2022-07-22 18:40:40,397 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 [2022-07-22 18:40:40,397 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 3024 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:40,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 1795 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:40,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-07-22 18:40:40,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-07-22 18:40:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3555166374781087) internal successors, (774), 586 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 774 transitions. [2022-07-22 18:40:40,451 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 774 transitions. Word has length 79 [2022-07-22 18:40:40,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:40,451 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 774 transitions. [2022-07-22 18:40:40,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 774 transitions. [2022-07-22 18:40:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-22 18:40:40,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:40,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:40,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 18:40:40,453 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash -876086789, now seen corresponding path program 1 times [2022-07-22 18:40:40,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:40,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592172243] [2022-07-22 18:40:40,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:40,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:40,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:40,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592172243] [2022-07-22 18:40:40,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592172243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:40,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:40,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:40,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724669004] [2022-07-22 18:40:40,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:40,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:40,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:40,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:40,528 INFO L87 Difference]: Start difference. First operand 587 states and 774 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:41,055 INFO L93 Difference]: Finished difference Result 987 states and 1348 transitions. [2022-07-22 18:40:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:41,055 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-07-22 18:40:41,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:41,058 INFO L225 Difference]: With dead ends: 987 [2022-07-22 18:40:41,058 INFO L226 Difference]: Without dead ends: 787 [2022-07-22 18:40:41,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:40:41,059 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2084 mSDsluCounter, 994 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:41,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 1313 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:41,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-07-22 18:40:41,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 587. [2022-07-22 18:40:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3537653239929948) internal successors, (773), 586 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 773 transitions. [2022-07-22 18:40:41,116 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 773 transitions. Word has length 79 [2022-07-22 18:40:41,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:41,117 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 773 transitions. [2022-07-22 18:40:41,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 773 transitions. [2022-07-22 18:40:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-22 18:40:41,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:41,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:41,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 18:40:41,118 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:41,119 INFO L85 PathProgramCache]: Analyzing trace with hash -178984548, now seen corresponding path program 1 times [2022-07-22 18:40:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:41,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558929191] [2022-07-22 18:40:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:41,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558929191] [2022-07-22 18:40:41,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558929191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:41,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:41,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:41,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518882992] [2022-07-22 18:40:41,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:41,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:41,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:41,207 INFO L87 Difference]: Start difference. First operand 587 states and 773 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:41,893 INFO L93 Difference]: Finished difference Result 1279 states and 1740 transitions. [2022-07-22 18:40:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:41,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-07-22 18:40:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:41,896 INFO L225 Difference]: With dead ends: 1279 [2022-07-22 18:40:41,896 INFO L226 Difference]: Without dead ends: 1148 [2022-07-22 18:40:41,897 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 [2022-07-22 18:40:41,897 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1622 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:41,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 1489 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-07-22 18:40:41,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-07-22 18:40:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3520140105078808) internal successors, (772), 586 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 772 transitions. [2022-07-22 18:40:41,951 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 772 transitions. Word has length 80 [2022-07-22 18:40:41,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:41,951 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 772 transitions. [2022-07-22 18:40:41,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:41,951 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 772 transitions. [2022-07-22 18:40:41,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:41,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:41,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:41,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 18:40:41,952 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1996016320, now seen corresponding path program 1 times [2022-07-22 18:40:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:41,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780691484] [2022-07-22 18:40:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:41,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:42,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:42,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780691484] [2022-07-22 18:40:42,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780691484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:42,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:42,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:42,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58948829] [2022-07-22 18:40:42,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:42,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:42,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:42,028 INFO L87 Difference]: Start difference. First operand 587 states and 772 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:42,675 INFO L93 Difference]: Finished difference Result 1154 states and 1550 transitions. [2022-07-22 18:40:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:42,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:42,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:42,679 INFO L225 Difference]: With dead ends: 1154 [2022-07-22 18:40:42,679 INFO L226 Difference]: Without dead ends: 1148 [2022-07-22 18:40:42,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:40:42,680 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1606 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:42,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 1501 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:42,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-07-22 18:40:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-07-22 18:40:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3485113835376532) internal successors, (770), 586 states have internal predecessors, (770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 770 transitions. [2022-07-22 18:40:42,750 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 770 transitions. Word has length 81 [2022-07-22 18:40:42,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:42,750 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 770 transitions. [2022-07-22 18:40:42,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 770 transitions. [2022-07-22 18:40:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:42,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:42,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:42,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 18:40:42,752 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:42,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:42,752 INFO L85 PathProgramCache]: Analyzing trace with hash -468566400, now seen corresponding path program 1 times [2022-07-22 18:40:42,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:42,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453646809] [2022-07-22 18:40:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:42,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:42,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:42,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453646809] [2022-07-22 18:40:42,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453646809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:42,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:42,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:42,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649178293] [2022-07-22 18:40:42,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:42,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:42,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:42,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:42,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:42,876 INFO L87 Difference]: Start difference. First operand 587 states and 770 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:43,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:43,691 INFO L93 Difference]: Finished difference Result 1375 states and 1878 transitions. [2022-07-22 18:40:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:43,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:43,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:43,695 INFO L225 Difference]: With dead ends: 1375 [2022-07-22 18:40:43,696 INFO L226 Difference]: Without dead ends: 1198 [2022-07-22 18:40:43,696 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 [2022-07-22 18:40:43,697 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 2445 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 2214 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:43,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 2214 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:40:43,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-07-22 18:40:43,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-07-22 18:40:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3450087565674256) internal successors, (768), 586 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 768 transitions. [2022-07-22 18:40:43,772 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 768 transitions. Word has length 81 [2022-07-22 18:40:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:43,772 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 768 transitions. [2022-07-22 18:40:43,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:43,772 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 768 transitions. [2022-07-22 18:40:43,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:43,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:43,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:43,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 18:40:43,774 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:43,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:43,774 INFO L85 PathProgramCache]: Analyzing trace with hash -583258688, now seen corresponding path program 1 times [2022-07-22 18:40:43,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:43,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522607571] [2022-07-22 18:40:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:43,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522607571] [2022-07-22 18:40:43,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522607571] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:43,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:43,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:43,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536683080] [2022-07-22 18:40:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:43,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:43,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:43,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:43,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:43,867 INFO L87 Difference]: Start difference. First operand 587 states and 768 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:44,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:44,537 INFO L93 Difference]: Finished difference Result 1154 states and 1546 transitions. [2022-07-22 18:40:44,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:44,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:44,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:44,542 INFO L225 Difference]: With dead ends: 1154 [2022-07-22 18:40:44,542 INFO L226 Difference]: Without dead ends: 1148 [2022-07-22 18:40:44,542 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 [2022-07-22 18:40:44,543 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 3059 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:44,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 1494 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-07-22 18:40:44,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-07-22 18:40:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.341506129597198) internal successors, (766), 586 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 766 transitions. [2022-07-22 18:40:44,606 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 766 transitions. Word has length 81 [2022-07-22 18:40:44,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:44,606 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 766 transitions. [2022-07-22 18:40:44,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 766 transitions. [2022-07-22 18:40:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:44,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:44,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:44,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-22 18:40:44,608 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:44,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1694349184, now seen corresponding path program 1 times [2022-07-22 18:40:44,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:44,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396548628] [2022-07-22 18:40:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:44,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:44,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396548628] [2022-07-22 18:40:44,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396548628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:44,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:44,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:44,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360535453] [2022-07-22 18:40:44,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:44,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:44,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:44,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:44,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:44,686 INFO L87 Difference]: Start difference. First operand 587 states and 766 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:45,364 INFO L93 Difference]: Finished difference Result 1282 states and 1733 transitions. [2022-07-22 18:40:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:45,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:45,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:45,367 INFO L225 Difference]: With dead ends: 1282 [2022-07-22 18:40:45,367 INFO L226 Difference]: Without dead ends: 1148 [2022-07-22 18:40:45,368 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 [2022-07-22 18:40:45,368 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2321 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2321 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:45,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2321 Valid, 1497 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:45,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-07-22 18:40:45,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-07-22 18:40:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.339754816112084) internal successors, (765), 586 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:45,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 765 transitions. [2022-07-22 18:40:45,438 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 765 transitions. Word has length 81 [2022-07-22 18:40:45,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:45,438 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 765 transitions. [2022-07-22 18:40:45,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:45,438 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 765 transitions. [2022-07-22 18:40:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:45,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:45,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:45,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 18:40:45,439 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:45,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:45,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1372385248, now seen corresponding path program 1 times [2022-07-22 18:40:45,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:45,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127210636] [2022-07-22 18:40:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:45,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:45,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127210636] [2022-07-22 18:40:45,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127210636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:45,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:45,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:45,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651143108] [2022-07-22 18:40:45,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:45,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:45,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:45,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:45,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:45,544 INFO L87 Difference]: Start difference. First operand 587 states and 765 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:46,308 INFO L93 Difference]: Finished difference Result 1364 states and 1859 transitions. [2022-07-22 18:40:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:46,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:46,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:46,311 INFO L225 Difference]: With dead ends: 1364 [2022-07-22 18:40:46,311 INFO L226 Difference]: Without dead ends: 1198 [2022-07-22 18:40:46,312 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 [2022-07-22 18:40:46,312 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 2156 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:46,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 2096 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:46,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2022-07-22 18:40:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 587. [2022-07-22 18:40:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3380035026269703) internal successors, (764), 586 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 764 transitions. [2022-07-22 18:40:46,390 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 764 transitions. Word has length 81 [2022-07-22 18:40:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:46,390 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 764 transitions. [2022-07-22 18:40:46,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 764 transitions. [2022-07-22 18:40:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:46,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:46,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:46,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 18:40:46,392 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:46,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:46,392 INFO L85 PathProgramCache]: Analyzing trace with hash 845637120, now seen corresponding path program 1 times [2022-07-22 18:40:46,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:46,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348034207] [2022-07-22 18:40:46,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:46,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:46,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:46,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348034207] [2022-07-22 18:40:46,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348034207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:46,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:46,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956483128] [2022-07-22 18:40:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:46,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:46,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:46,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:46,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:46,472 INFO L87 Difference]: Start difference. First operand 587 states and 764 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:47,135 INFO L93 Difference]: Finished difference Result 1154 states and 1539 transitions. [2022-07-22 18:40:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:47,141 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:47,144 INFO L225 Difference]: With dead ends: 1154 [2022-07-22 18:40:47,144 INFO L226 Difference]: Without dead ends: 1148 [2022-07-22 18:40:47,145 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 [2022-07-22 18:40:47,147 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 2310 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:47,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 1498 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:47,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2022-07-22 18:40:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 587. [2022-07-22 18:40:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 571 states have (on average 1.3362521891418564) internal successors, (763), 586 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 763 transitions. [2022-07-22 18:40:47,216 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 763 transitions. Word has length 81 [2022-07-22 18:40:47,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:47,217 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 763 transitions. [2022-07-22 18:40:47,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 763 transitions. [2022-07-22 18:40:47,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-22 18:40:47,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:47,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:47,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 18:40:47,218 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:47,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash 962867702, now seen corresponding path program 1 times [2022-07-22 18:40:47,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:47,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351294847] [2022-07-22 18:40:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:47,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:47,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:47,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351294847] [2022-07-22 18:40:47,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351294847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:47,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:47,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:47,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213944040] [2022-07-22 18:40:47,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:47,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:47,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:47,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:47,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:47,320 INFO L87 Difference]: Start difference. First operand 587 states and 763 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:48,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:48,143 INFO L93 Difference]: Finished difference Result 1276 states and 1722 transitions. [2022-07-22 18:40:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:48,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-07-22 18:40:48,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:48,147 INFO L225 Difference]: With dead ends: 1276 [2022-07-22 18:40:48,147 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:40:48,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:40:48,148 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 2548 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 1939 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:48,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 1939 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:48,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:40:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:40:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3350877192982455) internal successors, (761), 585 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 761 transitions. [2022-07-22 18:40:48,221 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 761 transitions. Word has length 81 [2022-07-22 18:40:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:48,222 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 761 transitions. [2022-07-22 18:40:48,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 761 transitions. [2022-07-22 18:40:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:48,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:48,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:48,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 18:40:48,223 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:48,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:48,224 INFO L85 PathProgramCache]: Analyzing trace with hash 547042711, now seen corresponding path program 1 times [2022-07-22 18:40:48,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:48,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023791132] [2022-07-22 18:40:48,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:48,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:48,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:48,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:48,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023791132] [2022-07-22 18:40:48,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023791132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:48,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:48,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:48,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549979725] [2022-07-22 18:40:48,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:48,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:48,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:48,309 INFO L87 Difference]: Start difference. First operand 586 states and 761 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:49,004 INFO L93 Difference]: Finished difference Result 1281 states and 1726 transitions. [2022-07-22 18:40:49,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:49,004 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:49,008 INFO L225 Difference]: With dead ends: 1281 [2022-07-22 18:40:49,008 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:40:49,010 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 [2022-07-22 18:40:49,011 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 1578 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:49,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 1504 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:49,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:40:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:40:49,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.331578947368421) internal successors, (759), 585 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 759 transitions. [2022-07-22 18:40:49,096 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 759 transitions. Word has length 82 [2022-07-22 18:40:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:49,097 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 759 transitions. [2022-07-22 18:40:49,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 759 transitions. [2022-07-22 18:40:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:49,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:49,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:49,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 18:40:49,100 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:49,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1303505865, now seen corresponding path program 1 times [2022-07-22 18:40:49,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:49,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640649159] [2022-07-22 18:40:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:49,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:49,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:49,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640649159] [2022-07-22 18:40:49,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640649159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:49,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:49,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:49,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927080441] [2022-07-22 18:40:49,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:49,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:49,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:49,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:49,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:49,207 INFO L87 Difference]: Start difference. First operand 586 states and 759 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:50,032 INFO L93 Difference]: Finished difference Result 1320 states and 1786 transitions. [2022-07-22 18:40:50,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:50,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:50,037 INFO L225 Difference]: With dead ends: 1320 [2022-07-22 18:40:50,037 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:50,038 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 [2022-07-22 18:40:50,038 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 1952 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:50,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 2341 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1529 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:40:50,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:50,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3280701754385964) internal successors, (757), 585 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 757 transitions. [2022-07-22 18:40:50,143 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 757 transitions. Word has length 82 [2022-07-22 18:40:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:50,143 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 757 transitions. [2022-07-22 18:40:50,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 757 transitions. [2022-07-22 18:40:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:50,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:50,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:50,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 18:40:50,146 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:50,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:50,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1592889193, now seen corresponding path program 1 times [2022-07-22 18:40:50,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:50,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825665680] [2022-07-22 18:40:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:50,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:50,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:50,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825665680] [2022-07-22 18:40:50,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825665680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:50,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:50,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:50,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885645353] [2022-07-22 18:40:50,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:50,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:50,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:50,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:50,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:50,244 INFO L87 Difference]: Start difference. First operand 586 states and 757 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:51,068 INFO L93 Difference]: Finished difference Result 1278 states and 1719 transitions. [2022-07-22 18:40:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:51,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:51,072 INFO L225 Difference]: With dead ends: 1278 [2022-07-22 18:40:51,072 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:40:51,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:40:51,073 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2515 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2515 SdHoareTripleChecker+Valid, 1977 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:51,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2515 Valid, 1977 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:40:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:40:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3263157894736841) internal successors, (756), 585 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 756 transitions. [2022-07-22 18:40:51,150 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 756 transitions. Word has length 82 [2022-07-22 18:40:51,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:51,150 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 756 transitions. [2022-07-22 18:40:51,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 756 transitions. [2022-07-22 18:40:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:51,151 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:51,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:51,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 18:40:51,152 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:51,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:51,152 INFO L85 PathProgramCache]: Analyzing trace with hash 585444599, now seen corresponding path program 1 times [2022-07-22 18:40:51,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:51,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935000726] [2022-07-22 18:40:51,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:51,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:51,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:51,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:51,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935000726] [2022-07-22 18:40:51,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935000726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:51,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:51,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:51,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184920970] [2022-07-22 18:40:51,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:51,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:51,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:51,231 INFO L87 Difference]: Start difference. First operand 586 states and 756 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:52,118 INFO L93 Difference]: Finished difference Result 1313 states and 1775 transitions. [2022-07-22 18:40:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:52,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:52,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:52,121 INFO L225 Difference]: With dead ends: 1313 [2022-07-22 18:40:52,121 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:52,122 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 [2022-07-22 18:40:52,122 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 1865 mSDsluCounter, 2029 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 2525 SdHoareTripleChecker+Invalid, 1713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:52,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 2525 Invalid, 1713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:40:52,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3245614035087718) internal successors, (755), 585 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:52,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 755 transitions. [2022-07-22 18:40:52,214 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 755 transitions. Word has length 82 [2022-07-22 18:40:52,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:52,214 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 755 transitions. [2022-07-22 18:40:52,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 755 transitions. [2022-07-22 18:40:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:52,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:52,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:52,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 18:40:52,215 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:52,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash 906756407, now seen corresponding path program 1 times [2022-07-22 18:40:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:52,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722661478] [2022-07-22 18:40:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:52,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:52,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722661478] [2022-07-22 18:40:52,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722661478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:52,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:52,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:52,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528147823] [2022-07-22 18:40:52,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:52,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:52,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:52,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:52,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:52,308 INFO L87 Difference]: Start difference. First operand 586 states and 755 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:53,121 INFO L93 Difference]: Finished difference Result 1278 states and 1717 transitions. [2022-07-22 18:40:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:53,121 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:53,124 INFO L225 Difference]: With dead ends: 1278 [2022-07-22 18:40:53,124 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:40:53,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:40:53,125 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 2489 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 2024 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:53,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 2024 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:53,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:40:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:40:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3228070175438595) internal successors, (754), 585 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 754 transitions. [2022-07-22 18:40:53,208 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 754 transitions. Word has length 82 [2022-07-22 18:40:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:53,209 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 754 transitions. [2022-07-22 18:40:53,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 754 transitions. [2022-07-22 18:40:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:53,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:53,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:53,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-22 18:40:53,210 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:53,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:53,211 INFO L85 PathProgramCache]: Analyzing trace with hash 46351895, now seen corresponding path program 1 times [2022-07-22 18:40:53,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:53,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843199848] [2022-07-22 18:40:53,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:53,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:53,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843199848] [2022-07-22 18:40:53,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843199848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:53,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:53,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:53,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5833539] [2022-07-22 18:40:53,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:53,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:53,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:53,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:53,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:53,294 INFO L87 Difference]: Start difference. First operand 586 states and 754 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:54,090 INFO L93 Difference]: Finished difference Result 1313 states and 1771 transitions. [2022-07-22 18:40:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:54,094 INFO L225 Difference]: With dead ends: 1313 [2022-07-22 18:40:54,094 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:54,094 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 [2022-07-22 18:40:54,095 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 2349 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:54,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 2010 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:54,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3210526315789475) internal successors, (753), 585 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 753 transitions. [2022-07-22 18:40:54,170 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 753 transitions. Word has length 82 [2022-07-22 18:40:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:54,170 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 753 transitions. [2022-07-22 18:40:54,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 753 transitions. [2022-07-22 18:40:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-22 18:40:54,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:54,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:54,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-22 18:40:54,172 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:54,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:54,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1083737591, now seen corresponding path program 1 times [2022-07-22 18:40:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:54,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883414468] [2022-07-22 18:40:54,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:54,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:54,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:54,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883414468] [2022-07-22 18:40:54,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883414468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:54,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:54,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263968659] [2022-07-22 18:40:54,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:54,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:54,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:54,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:54,263 INFO L87 Difference]: Start difference. First operand 586 states and 753 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:55,074 INFO L93 Difference]: Finished difference Result 1309 states and 1766 transitions. [2022-07-22 18:40:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:55,075 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-07-22 18:40:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:55,078 INFO L225 Difference]: With dead ends: 1309 [2022-07-22 18:40:55,078 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:55,078 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 [2022-07-22 18:40:55,079 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 1962 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:55,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 2132 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:55,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:55,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3192982456140352) internal successors, (752), 585 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 752 transitions. [2022-07-22 18:40:55,157 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 752 transitions. Word has length 82 [2022-07-22 18:40:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:55,157 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 752 transitions. [2022-07-22 18:40:55,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 752 transitions. [2022-07-22 18:40:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:40:55,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:55,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:55,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-22 18:40:55,159 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash -647233403, now seen corresponding path program 1 times [2022-07-22 18:40:55,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:55,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544571646] [2022-07-22 18:40:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:55,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:55,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:55,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544571646] [2022-07-22 18:40:55,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544571646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:55,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:55,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:55,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179985972] [2022-07-22 18:40:55,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:55,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:55,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:55,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:55,238 INFO L87 Difference]: Start difference. First operand 586 states and 752 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:56,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:56,077 INFO L93 Difference]: Finished difference Result 1190 states and 1583 transitions. [2022-07-22 18:40:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:56,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:40:56,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:56,080 INFO L225 Difference]: With dead ends: 1190 [2022-07-22 18:40:56,080 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:56,081 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 [2022-07-22 18:40:56,081 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 1851 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:56,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 2225 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:56,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3157894736842106) internal successors, (750), 585 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:56,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 750 transitions. [2022-07-22 18:40:56,169 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 750 transitions. Word has length 83 [2022-07-22 18:40:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:56,170 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 750 transitions. [2022-07-22 18:40:56,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 750 transitions. [2022-07-22 18:40:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:40:56,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:56,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:56,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-22 18:40:56,171 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:56,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -2136665467, now seen corresponding path program 1 times [2022-07-22 18:40:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:56,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190190867] [2022-07-22 18:40:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:56,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:56,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190190867] [2022-07-22 18:40:56,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190190867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:56,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:56,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:56,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242756443] [2022-07-22 18:40:56,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:56,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:56,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:56,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:56,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:56,271 INFO L87 Difference]: Start difference. First operand 586 states and 750 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:57,013 INFO L93 Difference]: Finished difference Result 1285 states and 1720 transitions. [2022-07-22 18:40:57,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:57,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:40:57,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:57,016 INFO L225 Difference]: With dead ends: 1285 [2022-07-22 18:40:57,016 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:40:57,017 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 [2022-07-22 18:40:57,017 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 1478 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1478 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:57,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1478 Valid, 1703 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 18:40:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:40:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:40:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.312280701754386) internal successors, (748), 585 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 748 transitions. [2022-07-22 18:40:57,112 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 748 transitions. Word has length 83 [2022-07-22 18:40:57,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:57,112 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 748 transitions. [2022-07-22 18:40:57,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 748 transitions. [2022-07-22 18:40:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:40:57,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:57,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:57,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-22 18:40:57,113 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:57,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash -609215547, now seen corresponding path program 1 times [2022-07-22 18:40:57,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:57,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167265062] [2022-07-22 18:40:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:57,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:57,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167265062] [2022-07-22 18:40:57,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167265062] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:57,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:57,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:57,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225063666] [2022-07-22 18:40:57,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:57,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:57,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:57,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:57,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:57,206 INFO L87 Difference]: Start difference. First operand 586 states and 748 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:58,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:58,012 INFO L93 Difference]: Finished difference Result 1326 states and 1780 transitions. [2022-07-22 18:40:58,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:58,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:40:58,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:58,015 INFO L225 Difference]: With dead ends: 1326 [2022-07-22 18:40:58,015 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:40:58,016 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 [2022-07-22 18:40:58,016 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 1961 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:58,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 2120 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:40:58,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:40:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3087719298245615) internal successors, (746), 585 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 746 transitions. [2022-07-22 18:40:58,108 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 746 transitions. Word has length 83 [2022-07-22 18:40:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:58,108 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 746 transitions. [2022-07-22 18:40:58,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 746 transitions. [2022-07-22 18:40:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:40:58,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:58,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:58,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-22 18:40:58,110 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:58,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2078948027, now seen corresponding path program 1 times [2022-07-22 18:40:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:58,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847138723] [2022-07-22 18:40:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:58,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:58,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847138723] [2022-07-22 18:40:58,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847138723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:58,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:58,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:58,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751088237] [2022-07-22 18:40:58,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:58,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:58,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:58,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:58,176 INFO L87 Difference]: Start difference. First operand 586 states and 746 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:59,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:40:59,057 INFO L93 Difference]: Finished difference Result 1396 states and 1875 transitions. [2022-07-22 18:40:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:40:59,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:40:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:40:59,060 INFO L225 Difference]: With dead ends: 1396 [2022-07-22 18:40:59,060 INFO L226 Difference]: Without dead ends: 1197 [2022-07-22 18:40:59,061 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 [2022-07-22 18:40:59,061 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 2310 mSDsluCounter, 1687 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 2277 SdHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:40:59,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 2277 Invalid, 1561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:40:59,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2022-07-22 18:40:59,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 586. [2022-07-22 18:40:59,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.305263157894737) internal successors, (744), 585 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 744 transitions. [2022-07-22 18:40:59,157 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 744 transitions. Word has length 83 [2022-07-22 18:40:59,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:40:59,158 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 744 transitions. [2022-07-22 18:40:59,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:40:59,158 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 744 transitions. [2022-07-22 18:40:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:40:59,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:40:59,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:40:59,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-22 18:40:59,159 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:40:59,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:40:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1135938619, now seen corresponding path program 1 times [2022-07-22 18:40:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:40:59,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741185946] [2022-07-22 18:40:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:40:59,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:40:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:40:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:40:59,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:40:59,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741185946] [2022-07-22 18:40:59,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741185946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:40:59,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:40:59,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:40:59,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53008788] [2022-07-22 18:40:59,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:40:59,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:40:59,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:40:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:40:59,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:40:59,253 INFO L87 Difference]: Start difference. First operand 586 states and 744 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:00,151 INFO L93 Difference]: Finished difference Result 1281 states and 1709 transitions. [2022-07-22 18:41:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:41:00,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:41:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:00,153 INFO L225 Difference]: With dead ends: 1281 [2022-07-22 18:41:00,153 INFO L226 Difference]: Without dead ends: 1147 [2022-07-22 18:41:00,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:41:00,154 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 2386 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:00,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 2200 Invalid, 1508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:41:00,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2022-07-22 18:41:00,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 586. [2022-07-22 18:41:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3035087719298246) internal successors, (743), 585 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 743 transitions. [2022-07-22 18:41:00,248 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 743 transitions. Word has length 83 [2022-07-22 18:41:00,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:00,248 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 743 transitions. [2022-07-22 18:41:00,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 743 transitions. [2022-07-22 18:41:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-07-22 18:41:00,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:00,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:00,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-22 18:41:00,250 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:00,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash -120186235, now seen corresponding path program 1 times [2022-07-22 18:41:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:00,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042417301] [2022-07-22 18:41:00,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:00,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:00,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:00,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042417301] [2022-07-22 18:41:00,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042417301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:00,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:00,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:41:00,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448782850] [2022-07-22 18:41:00,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:00,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:41:00,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:00,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:41:00,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:41:00,331 INFO L87 Difference]: Start difference. First operand 586 states and 743 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:01,246 INFO L93 Difference]: Finished difference Result 1318 states and 1762 transitions. [2022-07-22 18:41:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:41:01,247 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-07-22 18:41:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:01,249 INFO L225 Difference]: With dead ends: 1318 [2022-07-22 18:41:01,249 INFO L226 Difference]: Without dead ends: 1171 [2022-07-22 18:41:01,249 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 [2022-07-22 18:41:01,250 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 1726 mSDsluCounter, 1973 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:01,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 2560 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 18:41:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2022-07-22 18:41:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 586. [2022-07-22 18:41:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 570 states have (on average 1.3017543859649123) internal successors, (742), 585 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 742 transitions. [2022-07-22 18:41:01,342 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 742 transitions. Word has length 83 [2022-07-22 18:41:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:01,343 INFO L495 AbstractCegarLoop]: Abstraction has 586 states and 742 transitions. [2022-07-22 18:41:01,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 742 transitions. [2022-07-22 18:41:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 18:41:01,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:01,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:01,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-22 18:41:01,344 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:01,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:01,344 INFO L85 PathProgramCache]: Analyzing trace with hash 901356690, now seen corresponding path program 1 times [2022-07-22 18:41:01,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:01,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193252384] [2022-07-22 18:41:01,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:01,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:01,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:01,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193252384] [2022-07-22 18:41:01,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193252384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:01,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:01,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-07-22 18:41:01,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837050153] [2022-07-22 18:41:01,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:01,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-22 18:41:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:01,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-22 18:41:01,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-07-22 18:41:01,932 INFO L87 Difference]: Start difference. First operand 586 states and 742 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:06,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:06,693 INFO L93 Difference]: Finished difference Result 1324 states and 1724 transitions. [2022-07-22 18:41:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-22 18:41:06,693 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-07-22 18:41:06,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:06,695 INFO L225 Difference]: With dead ends: 1324 [2022-07-22 18:41:06,695 INFO L226 Difference]: Without dead ends: 1188 [2022-07-22 18:41:06,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=452, Invalid=2518, Unknown=0, NotChecked=0, Total=2970 [2022-07-22 18:41:06,696 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 3250 mSDsluCounter, 14764 mSDsCounter, 0 mSdLazyCounter, 8215 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 15776 SdHoareTripleChecker+Invalid, 8332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 8215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:06,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 15776 Invalid, 8332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 8215 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-22 18:41:06,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-07-22 18:41:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 597. [2022-07-22 18:41:06,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 581 states have (on average 1.2994836488812394) internal successors, (755), 596 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 755 transitions. [2022-07-22 18:41:06,812 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 755 transitions. Word has length 84 [2022-07-22 18:41:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:06,812 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 755 transitions. [2022-07-22 18:41:06,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 755 transitions. [2022-07-22 18:41:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 18:41:06,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:06,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:06,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-22 18:41:06,814 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:06,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:06,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1803038574, now seen corresponding path program 1 times [2022-07-22 18:41:06,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:06,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52644145] [2022-07-22 18:41:06,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:06,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:07,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:07,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52644145] [2022-07-22 18:41:07,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52644145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:07,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:07,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-07-22 18:41:07,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463889868] [2022-07-22 18:41:07,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:07,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-22 18:41:07,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:07,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-22 18:41:07,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=696, Unknown=0, NotChecked=0, Total=756 [2022-07-22 18:41:07,490 INFO L87 Difference]: Start difference. First operand 597 states and 755 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:12,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:12,321 INFO L93 Difference]: Finished difference Result 1323 states and 1723 transitions. [2022-07-22 18:41:12,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-22 18:41:12,322 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-07-22 18:41:12,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:12,323 INFO L225 Difference]: With dead ends: 1323 [2022-07-22 18:41:12,323 INFO L226 Difference]: Without dead ends: 1187 [2022-07-22 18:41:12,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=411, Invalid=2451, Unknown=0, NotChecked=0, Total=2862 [2022-07-22 18:41:12,325 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 3741 mSDsluCounter, 14415 mSDsCounter, 0 mSdLazyCounter, 8048 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 15415 SdHoareTripleChecker+Invalid, 8186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 8048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:12,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 15415 Invalid, 8186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 8048 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-22 18:41:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2022-07-22 18:41:12,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 604. [2022-07-22 18:41:12,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 588 states have (on average 1.2959183673469388) internal successors, (762), 603 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 762 transitions. [2022-07-22 18:41:12,441 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 762 transitions. Word has length 84 [2022-07-22 18:41:12,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:12,441 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 762 transitions. [2022-07-22 18:41:12,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 762 transitions. [2022-07-22 18:41:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 18:41:12,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:12,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:12,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-22 18:41:12,443 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:12,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:12,443 INFO L85 PathProgramCache]: Analyzing trace with hash 469045170, now seen corresponding path program 1 times [2022-07-22 18:41:12,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:12,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382157784] [2022-07-22 18:41:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:13,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:13,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382157784] [2022-07-22 18:41:13,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382157784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:13,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:13,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-07-22 18:41:13,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282080063] [2022-07-22 18:41:13,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:13,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-22 18:41:13,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:13,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-22 18:41:13,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2022-07-22 18:41:13,018 INFO L87 Difference]: Start difference. First operand 604 states and 762 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:17,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:17,812 INFO L93 Difference]: Finished difference Result 1731 states and 2300 transitions. [2022-07-22 18:41:17,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-22 18:41:17,812 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-07-22 18:41:17,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:17,814 INFO L225 Difference]: With dead ends: 1731 [2022-07-22 18:41:17,815 INFO L226 Difference]: Without dead ends: 1599 [2022-07-22 18:41:17,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=386, Invalid=2266, Unknown=0, NotChecked=0, Total=2652 [2022-07-22 18:41:17,816 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 2848 mSDsluCounter, 16846 mSDsCounter, 0 mSdLazyCounter, 8601 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 17891 SdHoareTripleChecker+Invalid, 8704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 8601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:17,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 17891 Invalid, 8704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 8601 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-22 18:41:17,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2022-07-22 18:41:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 604. [2022-07-22 18:41:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 588 states have (on average 1.2925170068027212) internal successors, (760), 603 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 760 transitions. [2022-07-22 18:41:17,941 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 760 transitions. Word has length 84 [2022-07-22 18:41:17,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:17,941 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 760 transitions. [2022-07-22 18:41:17,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 760 transitions. [2022-07-22 18:41:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 18:41:17,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:17,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:17,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-22 18:41:17,942 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:17,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:17,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2078732722, now seen corresponding path program 1 times [2022-07-22 18:41:17,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:17,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035477259] [2022-07-22 18:41:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:17,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:18,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:18,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:18,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035477259] [2022-07-22 18:41:18,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035477259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:18,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:18,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 18:41:18,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479840155] [2022-07-22 18:41:18,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:18,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 18:41:18,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:18,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 18:41:18,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:41:18,190 INFO L87 Difference]: Start difference. First operand 604 states and 760 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:19,854 INFO L93 Difference]: Finished difference Result 2230 states and 3015 transitions. [2022-07-22 18:41:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 18:41:19,855 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-07-22 18:41:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:19,857 INFO L225 Difference]: With dead ends: 2230 [2022-07-22 18:41:19,858 INFO L226 Difference]: Without dead ends: 2100 [2022-07-22 18:41:19,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-07-22 18:41:19,858 INFO L413 NwaCegarLoop]: 732 mSDtfsCounter, 3998 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:19,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3998 Valid, 4392 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:41:19,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-07-22 18:41:20,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 602. [2022-07-22 18:41:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 586 states have (on average 1.2901023890784984) internal successors, (756), 601 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:20,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 756 transitions. [2022-07-22 18:41:20,007 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 756 transitions. Word has length 84 [2022-07-22 18:41:20,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:20,007 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 756 transitions. [2022-07-22 18:41:20,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 756 transitions. [2022-07-22 18:41:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-22 18:41:20,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:20,008 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:20,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-22 18:41:20,008 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:20,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:20,008 INFO L85 PathProgramCache]: Analyzing trace with hash -918543470, now seen corresponding path program 1 times [2022-07-22 18:41:20,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:20,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315991951] [2022-07-22 18:41:20,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:20,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:20,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:20,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315991951] [2022-07-22 18:41:20,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315991951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:20,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:20,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 18:41:20,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963678060] [2022-07-22 18:41:20,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:20,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 18:41:20,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 18:41:20,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:41:20,170 INFO L87 Difference]: Start difference. First operand 602 states and 756 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:21,063 INFO L93 Difference]: Finished difference Result 1294 states and 1679 transitions. [2022-07-22 18:41:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:41:21,063 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-07-22 18:41:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:21,065 INFO L225 Difference]: With dead ends: 1294 [2022-07-22 18:41:21,065 INFO L226 Difference]: Without dead ends: 1034 [2022-07-22 18:41:21,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-07-22 18:41:21,065 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 2526 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:21,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 2179 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:41:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2022-07-22 18:41:21,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 470. [2022-07-22 18:41:21,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 459 states have (on average 1.2941176470588236) internal successors, (594), 469 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 594 transitions. [2022-07-22 18:41:21,191 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 594 transitions. Word has length 84 [2022-07-22 18:41:21,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:21,192 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 594 transitions. [2022-07-22 18:41:21,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2022-07-22 18:41:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-22 18:41:21,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:21,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:21,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-22 18:41:21,193 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:21,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:21,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1485088950, now seen corresponding path program 1 times [2022-07-22 18:41:21,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:21,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717826592] [2022-07-22 18:41:21,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:21,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:21,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717826592] [2022-07-22 18:41:21,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717826592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:21,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:21,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 18:41:21,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531461704] [2022-07-22 18:41:21,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:21,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 18:41:21,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:21,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 18:41:21,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-22 18:41:21,398 INFO L87 Difference]: Start difference. First operand 470 states and 594 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:21,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:21,921 INFO L93 Difference]: Finished difference Result 870 states and 1152 transitions. [2022-07-22 18:41:21,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 18:41:21,921 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-07-22 18:41:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:21,922 INFO L225 Difference]: With dead ends: 870 [2022-07-22 18:41:21,922 INFO L226 Difference]: Without dead ends: 618 [2022-07-22 18:41:21,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2022-07-22 18:41:21,923 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 1033 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:21,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 2252 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:41:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2022-07-22 18:41:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 346. [2022-07-22 18:41:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 339 states have (on average 1.3126843657817109) internal successors, (445), 345 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 445 transitions. [2022-07-22 18:41:22,028 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 445 transitions. Word has length 85 [2022-07-22 18:41:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:22,028 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 445 transitions. [2022-07-22 18:41:22,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 445 transitions. [2022-07-22 18:41:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-22 18:41:22,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:22,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:22,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-22 18:41:22,029 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:22,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash -249178582, now seen corresponding path program 1 times [2022-07-22 18:41:22,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:22,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847041827] [2022-07-22 18:41:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:22,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:22,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847041827] [2022-07-22 18:41:22,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847041827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:22,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:22,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 18:41:22,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723871025] [2022-07-22 18:41:22,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:22,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 18:41:22,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 18:41:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:41:22,229 INFO L87 Difference]: Start difference. First operand 346 states and 445 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:23,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:23,167 INFO L93 Difference]: Finished difference Result 1002 states and 1357 transitions. [2022-07-22 18:41:23,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 18:41:23,168 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-07-22 18:41:23,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:23,169 INFO L225 Difference]: With dead ends: 1002 [2022-07-22 18:41:23,169 INFO L226 Difference]: Without dead ends: 868 [2022-07-22 18:41:23,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2022-07-22 18:41:23,170 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 1274 mSDsluCounter, 2397 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 2819 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:23,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 2819 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 18:41:23,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-07-22 18:41:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 336. [2022-07-22 18:41:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 330 states have (on average 1.303030303030303) internal successors, (430), 335 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 430 transitions. [2022-07-22 18:41:23,287 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 430 transitions. Word has length 85 [2022-07-22 18:41:23,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:23,287 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 430 transitions. [2022-07-22 18:41:23,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 430 transitions. [2022-07-22 18:41:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-22 18:41:23,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:23,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:23,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-22 18:41:23,288 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 690370282, now seen corresponding path program 1 times [2022-07-22 18:41:23,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:23,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39949193] [2022-07-22 18:41:23,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:23,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:23,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:23,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39949193] [2022-07-22 18:41:23,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39949193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:23,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:23,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 18:41:23,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200829670] [2022-07-22 18:41:23,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:23,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 18:41:23,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 18:41:23,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:41:23,495 INFO L87 Difference]: Start difference. First operand 336 states and 430 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:24,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:24,469 INFO L93 Difference]: Finished difference Result 994 states and 1342 transitions. [2022-07-22 18:41:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-22 18:41:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-07-22 18:41:24,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:24,471 INFO L225 Difference]: With dead ends: 994 [2022-07-22 18:41:24,471 INFO L226 Difference]: Without dead ends: 860 [2022-07-22 18:41:24,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2022-07-22 18:41:24,472 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1217 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 2854 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:24,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 2854 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 18:41:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-07-22 18:41:24,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 323. [2022-07-22 18:41:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 322 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:24,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 412 transitions. [2022-07-22 18:41:24,582 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 412 transitions. Word has length 85 [2022-07-22 18:41:24,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:24,582 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 412 transitions. [2022-07-22 18:41:24,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 412 transitions. [2022-07-22 18:41:24,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-22 18:41:24,582 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:24,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:24,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-22 18:41:24,583 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:24,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:24,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1516218390, now seen corresponding path program 1 times [2022-07-22 18:41:24,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:24,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352710785] [2022-07-22 18:41:24,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:24,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:25,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:25,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352710785] [2022-07-22 18:41:25,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352710785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:25,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:25,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-07-22 18:41:25,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903928965] [2022-07-22 18:41:25,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:25,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-22 18:41:25,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:25,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-22 18:41:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-07-22 18:41:25,329 INFO L87 Difference]: Start difference. First operand 323 states and 412 transitions. Second operand has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:27,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:27,958 INFO L93 Difference]: Finished difference Result 936 states and 1285 transitions. [2022-07-22 18:41:27,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-22 18:41:27,959 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-07-22 18:41:27,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:27,960 INFO L225 Difference]: With dead ends: 936 [2022-07-22 18:41:27,960 INFO L226 Difference]: Without dead ends: 801 [2022-07-22 18:41:27,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=488, Invalid=2482, Unknown=0, NotChecked=0, Total=2970 [2022-07-22 18:41:27,961 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 1040 mSDsluCounter, 4793 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 5103 SdHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:27,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 5103 Invalid, 2330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 18:41:27,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2022-07-22 18:41:28,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 337. [2022-07-22 18:41:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.2951807228915662) internal successors, (430), 336 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 430 transitions. [2022-07-22 18:41:28,078 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 430 transitions. Word has length 85 [2022-07-22 18:41:28,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:28,079 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 430 transitions. [2022-07-22 18:41:28,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 29 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 430 transitions. [2022-07-22 18:41:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-07-22 18:41:28,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:28,079 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:28,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-22 18:41:28,079 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:28,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:28,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1855795338, now seen corresponding path program 1 times [2022-07-22 18:41:28,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:28,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505824933] [2022-07-22 18:41:28,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:28,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:28,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505824933] [2022-07-22 18:41:28,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505824933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:28,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:28,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 18:41:28,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437207218] [2022-07-22 18:41:28,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:28,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 18:41:28,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:28,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 18:41:28,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:41:28,266 INFO L87 Difference]: Start difference. First operand 337 states and 430 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:29,040 INFO L93 Difference]: Finished difference Result 1045 states and 1424 transitions. [2022-07-22 18:41:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 18:41:29,040 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-07-22 18:41:29,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:29,041 INFO L225 Difference]: With dead ends: 1045 [2022-07-22 18:41:29,041 INFO L226 Difference]: Without dead ends: 866 [2022-07-22 18:41:29,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2022-07-22 18:41:29,042 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 1093 mSDsluCounter, 2320 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:29,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 2914 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:41:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2022-07-22 18:41:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 279. [2022-07-22 18:41:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.2971014492753623) internal successors, (358), 278 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 358 transitions. [2022-07-22 18:41:29,155 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 358 transitions. Word has length 86 [2022-07-22 18:41:29,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:29,155 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 358 transitions. [2022-07-22 18:41:29,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 358 transitions. [2022-07-22 18:41:29,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-22 18:41:29,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:29,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:29,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-22 18:41:29,156 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:29,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1665825514, now seen corresponding path program 1 times [2022-07-22 18:41:29,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:29,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989088090] [2022-07-22 18:41:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:29,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:29,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:29,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989088090] [2022-07-22 18:41:29,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989088090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:29,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:29,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:41:29,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181760899] [2022-07-22 18:41:29,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:29,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:41:29,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:29,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:41:29,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:41:29,226 INFO L87 Difference]: Start difference. First operand 279 states and 358 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:29,655 INFO L93 Difference]: Finished difference Result 455 states and 600 transitions. [2022-07-22 18:41:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-22 18:41:29,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-07-22 18:41:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:29,656 INFO L225 Difference]: With dead ends: 455 [2022-07-22 18:41:29,656 INFO L226 Difference]: Without dead ends: 447 [2022-07-22 18:41:29,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2022-07-22 18:41:29,657 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 1216 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:29,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 538 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:41:29,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-07-22 18:41:29,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 279. [2022-07-22 18:41:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.2934782608695652) internal successors, (357), 278 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 357 transitions. [2022-07-22 18:41:29,767 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 357 transitions. Word has length 87 [2022-07-22 18:41:29,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:29,768 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 357 transitions. [2022-07-22 18:41:29,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 357 transitions. [2022-07-22 18:41:29,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-07-22 18:41:29,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:29,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:29,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-22 18:41:29,768 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:29,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash -309288342, now seen corresponding path program 1 times [2022-07-22 18:41:29,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:29,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296409073] [2022-07-22 18:41:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:29,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:29,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296409073] [2022-07-22 18:41:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296409073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:29,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:29,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 18:41:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175929273] [2022-07-22 18:41:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:29,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 18:41:29,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:29,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 18:41:29,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-22 18:41:29,841 INFO L87 Difference]: Start difference. First operand 279 states and 357 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:30,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:30,371 INFO L93 Difference]: Finished difference Result 636 states and 854 transitions. [2022-07-22 18:41:30,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 18:41:30,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-07-22 18:41:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:30,372 INFO L225 Difference]: With dead ends: 636 [2022-07-22 18:41:30,372 INFO L226 Difference]: Without dead ends: 474 [2022-07-22 18:41:30,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-07-22 18:41:30,373 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 794 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:30,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 907 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:41:30,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2022-07-22 18:41:30,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 279. [2022-07-22 18:41:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 276 states have (on average 1.286231884057971) internal successors, (355), 278 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2022-07-22 18:41:30,485 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 87 [2022-07-22 18:41:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:30,485 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2022-07-22 18:41:30,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2022-07-22 18:41:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-22 18:41:30,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:30,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:30,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-22 18:41:30,486 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:30,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1594060367, now seen corresponding path program 1 times [2022-07-22 18:41:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:30,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618470530] [2022-07-22 18:41:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:30,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:31,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:31,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618470530] [2022-07-22 18:41:31,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618470530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:31,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:31,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-07-22 18:41:31,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432272229] [2022-07-22 18:41:31,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:31,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-07-22 18:41:31,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:31,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-07-22 18:41:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2022-07-22 18:41:31,245 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:34,314 INFO L93 Difference]: Finished difference Result 1003 states and 1393 transitions. [2022-07-22 18:41:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-22 18:41:34,314 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-07-22 18:41:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:34,316 INFO L225 Difference]: With dead ends: 1003 [2022-07-22 18:41:34,316 INFO L226 Difference]: Without dead ends: 997 [2022-07-22 18:41:34,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=385, Invalid=2267, Unknown=0, NotChecked=0, Total=2652 [2022-07-22 18:41:34,317 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 1123 mSDsluCounter, 4769 mSDsCounter, 0 mSdLazyCounter, 2300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:34,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 5027 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2300 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 18:41:34,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-07-22 18:41:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 298. [2022-07-22 18:41:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 295 states have (on average 1.2813559322033898) internal successors, (378), 297 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 378 transitions. [2022-07-22 18:41:34,441 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 378 transitions. Word has length 89 [2022-07-22 18:41:34,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:34,441 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 378 transitions. [2022-07-22 18:41:34,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.1785714285714284) internal successors, (89), 28 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 378 transitions. [2022-07-22 18:41:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-22 18:41:34,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:34,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:34,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-22 18:41:34,442 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:34,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:34,443 INFO L85 PathProgramCache]: Analyzing trace with hash -543104753, now seen corresponding path program 1 times [2022-07-22 18:41:34,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:34,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879403700] [2022-07-22 18:41:34,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:34,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:34,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:34,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879403700] [2022-07-22 18:41:34,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879403700] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:34,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:34,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-07-22 18:41:34,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654209482] [2022-07-22 18:41:34,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:34,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-22 18:41:34,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-22 18:41:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2022-07-22 18:41:34,974 INFO L87 Difference]: Start difference. First operand 298 states and 378 transitions. Second operand has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:36,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:36,781 INFO L93 Difference]: Finished difference Result 330 states and 410 transitions. [2022-07-22 18:41:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 18:41:36,782 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-07-22 18:41:36,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:36,783 INFO L225 Difference]: With dead ends: 330 [2022-07-22 18:41:36,783 INFO L226 Difference]: Without dead ends: 321 [2022-07-22 18:41:36,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=344, Invalid=2008, Unknown=0, NotChecked=0, Total=2352 [2022-07-22 18:41:36,785 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 620 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 2989 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:36,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 2989 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 18:41:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-07-22 18:41:36,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 302. [2022-07-22 18:41:36,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 299 states have (on average 1.2809364548494984) internal successors, (383), 301 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 383 transitions. [2022-07-22 18:41:36,911 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 383 transitions. Word has length 89 [2022-07-22 18:41:36,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:36,911 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 383 transitions. [2022-07-22 18:41:36,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.423076923076923) internal successors, (89), 26 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 383 transitions. [2022-07-22 18:41:36,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-22 18:41:36,911 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:36,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:36,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-22 18:41:36,912 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:36,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:36,912 INFO L85 PathProgramCache]: Analyzing trace with hash 916649711, now seen corresponding path program 1 times [2022-07-22 18:41:36,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:36,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347373764] [2022-07-22 18:41:36,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:36,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:37,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:37,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347373764] [2022-07-22 18:41:37,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347373764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:37,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:37,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 18:41:37,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640413330] [2022-07-22 18:41:37,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:37,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 18:41:37,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:37,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 18:41:37,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:41:37,124 INFO L87 Difference]: Start difference. First operand 302 states and 383 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:38,487 INFO L93 Difference]: Finished difference Result 1297 states and 1817 transitions. [2022-07-22 18:41:38,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-22 18:41:38,487 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-07-22 18:41:38,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:38,489 INFO L225 Difference]: With dead ends: 1297 [2022-07-22 18:41:38,489 INFO L226 Difference]: Without dead ends: 1291 [2022-07-22 18:41:38,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-07-22 18:41:38,490 INFO L413 NwaCegarLoop]: 462 mSDtfsCounter, 1735 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:38,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 2909 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:41:38,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2022-07-22 18:41:38,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 289. [2022-07-22 18:41:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 287 states have (on average 1.278745644599303) internal successors, (367), 288 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 367 transitions. [2022-07-22 18:41:38,625 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 367 transitions. Word has length 90 [2022-07-22 18:41:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:38,626 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 367 transitions. [2022-07-22 18:41:38,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 367 transitions. [2022-07-22 18:41:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-22 18:41:38,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:38,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:38,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-22 18:41:38,627 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:38,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:38,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1220515409, now seen corresponding path program 1 times [2022-07-22 18:41:38,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:38,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793263439] [2022-07-22 18:41:38,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:38,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:38,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793263439] [2022-07-22 18:41:38,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793263439] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:38,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:38,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 18:41:38,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907325800] [2022-07-22 18:41:38,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:38,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 18:41:38,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:38,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 18:41:38,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-22 18:41:38,872 INFO L87 Difference]: Start difference. First operand 289 states and 367 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:40,231 INFO L93 Difference]: Finished difference Result 1033 states and 1437 transitions. [2022-07-22 18:41:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 18:41:40,231 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-07-22 18:41:40,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:40,232 INFO L225 Difference]: With dead ends: 1033 [2022-07-22 18:41:40,232 INFO L226 Difference]: Without dead ends: 1017 [2022-07-22 18:41:40,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2022-07-22 18:41:40,233 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 1380 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1380 SdHoareTripleChecker+Valid, 3451 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:40,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1380 Valid, 3451 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 18:41:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-07-22 18:41:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 260. [2022-07-22 18:41:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.2857142857142858) internal successors, (333), 259 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 333 transitions. [2022-07-22 18:41:40,364 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 333 transitions. Word has length 90 [2022-07-22 18:41:40,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:40,365 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 333 transitions. [2022-07-22 18:41:40,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 333 transitions. [2022-07-22 18:41:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-22 18:41:40,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:40,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:40,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-22 18:41:40,366 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:40,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1829574929, now seen corresponding path program 1 times [2022-07-22 18:41:40,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:40,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882154884] [2022-07-22 18:41:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:40,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:40,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:40,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882154884] [2022-07-22 18:41:40,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882154884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:40,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:40,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:40,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715350874] [2022-07-22 18:41:40,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:40,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:40,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:40,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:40,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:40,430 INFO L87 Difference]: Start difference. First operand 260 states and 333 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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) [2022-07-22 18:41:41,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:41,561 INFO L93 Difference]: Finished difference Result 1540 states and 2233 transitions. [2022-07-22 18:41:41,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 18:41:41,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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 [2022-07-22 18:41:41,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:41,563 INFO L225 Difference]: With dead ends: 1540 [2022-07-22 18:41:41,563 INFO L226 Difference]: Without dead ends: 1412 [2022-07-22 18:41:41,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-22 18:41:41,564 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 1508 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:41,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 1388 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:41:41,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-07-22 18:41:41,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 386. [2022-07-22 18:41:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.3454545454545455) internal successors, (518), 385 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 518 transitions. [2022-07-22 18:41:41,809 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 518 transitions. Word has length 118 [2022-07-22 18:41:41,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:41,809 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 518 transitions. [2022-07-22 18:41:41,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 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) [2022-07-22 18:41:41,809 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 518 transitions. [2022-07-22 18:41:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:41,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:41,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:41,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-22 18:41:41,810 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:41,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:41,810 INFO L85 PathProgramCache]: Analyzing trace with hash -58815912, now seen corresponding path program 1 times [2022-07-22 18:41:41,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:41,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773945205] [2022-07-22 18:41:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:41,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:41,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:41,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773945205] [2022-07-22 18:41:41,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773945205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:41,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:41,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589671275] [2022-07-22 18:41:41,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:41,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:41,865 INFO L87 Difference]: Start difference. First operand 386 states and 518 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:43,116 INFO L93 Difference]: Finished difference Result 1784 states and 2579 transitions. [2022-07-22 18:41:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:41:43,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:41:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:43,133 INFO L225 Difference]: With dead ends: 1784 [2022-07-22 18:41:43,133 INFO L226 Difference]: Without dead ends: 1530 [2022-07-22 18:41:43,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:41:43,134 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1185 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:43,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 952 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:41:43,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2022-07-22 18:41:43,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 638. [2022-07-22 18:41:43,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 637 states have (on average 1.3971742543171115) internal successors, (890), 637 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 890 transitions. [2022-07-22 18:41:43,608 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 890 transitions. Word has length 120 [2022-07-22 18:41:43,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:43,609 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 890 transitions. [2022-07-22 18:41:43,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 890 transitions. [2022-07-22 18:41:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:43,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:43,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:43,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-22 18:41:43,610 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash 209861823, now seen corresponding path program 1 times [2022-07-22 18:41:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:43,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106217656] [2022-07-22 18:41:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:43,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:43,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:43,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106217656] [2022-07-22 18:41:43,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106217656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:43,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:43,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:41:43,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999050353] [2022-07-22 18:41:43,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:43,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:41:43,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:43,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:41:43,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:41:43,645 INFO L87 Difference]: Start difference. First operand 638 states and 890 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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) [2022-07-22 18:41:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:44,517 INFO L93 Difference]: Finished difference Result 1598 states and 2292 transitions. [2022-07-22 18:41:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:41:44,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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 [2022-07-22 18:41:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:44,518 INFO L225 Difference]: With dead ends: 1598 [2022-07-22 18:41:44,518 INFO L226 Difference]: Without dead ends: 1092 [2022-07-22 18:41:44,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:41:44,519 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 83 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:44,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 460 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:41:44,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-07-22 18:41:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2022-07-22 18:41:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.4031221303948576) internal successors, (1528), 1089 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1528 transitions. [2022-07-22 18:41:45,382 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1528 transitions. Word has length 120 [2022-07-22 18:41:45,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:45,382 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1528 transitions. [2022-07-22 18:41:45,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 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) [2022-07-22 18:41:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1528 transitions. [2022-07-22 18:41:45,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:45,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:45,383 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] [2022-07-22 18:41:45,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-22 18:41:45,383 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:45,384 INFO L85 PathProgramCache]: Analyzing trace with hash 276355335, now seen corresponding path program 1 times [2022-07-22 18:41:45,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:45,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207437899] [2022-07-22 18:41:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:45,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:45,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:45,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207437899] [2022-07-22 18:41:45,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207437899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:45,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:45,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:45,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103893400] [2022-07-22 18:41:45,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:45,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:45,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:45,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:45,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:45,486 INFO L87 Difference]: Start difference. First operand 1090 states and 1528 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:46,522 INFO L93 Difference]: Finished difference Result 2050 states and 2914 transitions. [2022-07-22 18:41:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:41:46,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:41:46,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:46,523 INFO L225 Difference]: With dead ends: 2050 [2022-07-22 18:41:46,523 INFO L226 Difference]: Without dead ends: 1092 [2022-07-22 18:41:46,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-22 18:41:46,525 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 779 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:46,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 558 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:41:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-07-22 18:41:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1090. [2022-07-22 18:41:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.399449035812672) internal successors, (1524), 1089 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1524 transitions. [2022-07-22 18:41:47,387 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1524 transitions. Word has length 120 [2022-07-22 18:41:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:47,387 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1524 transitions. [2022-07-22 18:41:47,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1524 transitions. [2022-07-22 18:41:47,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:47,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:47,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:47,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-22 18:41:47,388 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:47,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:47,388 INFO L85 PathProgramCache]: Analyzing trace with hash -755626408, now seen corresponding path program 1 times [2022-07-22 18:41:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:47,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060682863] [2022-07-22 18:41:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:47,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:47,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060682863] [2022-07-22 18:41:47,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060682863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:47,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:47,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377540452] [2022-07-22 18:41:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:47,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:47,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:47,441 INFO L87 Difference]: Start difference. First operand 1090 states and 1524 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:50,267 INFO L93 Difference]: Finished difference Result 3732 states and 5334 transitions. [2022-07-22 18:41:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:41:50,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:41:50,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:50,271 INFO L225 Difference]: With dead ends: 3732 [2022-07-22 18:41:50,271 INFO L226 Difference]: Without dead ends: 3252 [2022-07-22 18:41:50,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:41:50,273 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1109 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:50,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 967 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:41:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-07-22 18:41:51,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 1808. [2022-07-22 18:41:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1807 states have (on average 1.4144991698948532) internal successors, (2556), 1807 states have internal predecessors, (2556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2556 transitions. [2022-07-22 18:41:51,822 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2556 transitions. Word has length 120 [2022-07-22 18:41:51,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:51,822 INFO L495 AbstractCegarLoop]: Abstraction has 1808 states and 2556 transitions. [2022-07-22 18:41:51,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2556 transitions. [2022-07-22 18:41:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:51,823 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:51,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:51,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-22 18:41:51,824 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:51,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:51,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1539427416, now seen corresponding path program 1 times [2022-07-22 18:41:51,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:51,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873463099] [2022-07-22 18:41:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:51,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873463099] [2022-07-22 18:41:51,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873463099] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:51,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:51,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:51,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086110037] [2022-07-22 18:41:51,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:51,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:51,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:51,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:51,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:51,879 INFO L87 Difference]: Start difference. First operand 1808 states and 2556 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:41:55,112 INFO L93 Difference]: Finished difference Result 4210 states and 6022 transitions. [2022-07-22 18:41:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:41:55,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:41:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:41:55,116 INFO L225 Difference]: With dead ends: 4210 [2022-07-22 18:41:55,116 INFO L226 Difference]: Without dead ends: 3730 [2022-07-22 18:41:55,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:41:55,118 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 1025 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:41:55,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 1072 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:41:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3730 states. [2022-07-22 18:41:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3730 to 2286. [2022-07-22 18:41:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 2285 states have (on average 1.4196936542669585) internal successors, (3244), 2285 states have internal predecessors, (3244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:41:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3244 transitions. [2022-07-22 18:41:57,119 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3244 transitions. Word has length 120 [2022-07-22 18:41:57,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:41:57,120 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 3244 transitions. [2022-07-22 18:41:57,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:41:57,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3244 transitions. [2022-07-22 18:41:57,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:41:57,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:41:57,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:41:57,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-22 18:41:57,121 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:41:57,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:41:57,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1420576856, now seen corresponding path program 1 times [2022-07-22 18:41:57,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:41:57,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204330986] [2022-07-22 18:41:57,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:41:57,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:41:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:41:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:41:57,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:41:57,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204330986] [2022-07-22 18:41:57,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204330986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:41:57,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:41:57,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:41:57,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771945712] [2022-07-22 18:41:57,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:41:57,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:41:57,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:41:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:41:57,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:41:57,177 INFO L87 Difference]: Start difference. First operand 2286 states and 3244 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:42:00,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:42:00,870 INFO L93 Difference]: Finished difference Result 4688 states and 6710 transitions. [2022-07-22 18:42:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:42:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:42:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:42:00,874 INFO L225 Difference]: With dead ends: 4688 [2022-07-22 18:42:00,874 INFO L226 Difference]: Without dead ends: 4208 [2022-07-22 18:42:00,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:42:00,876 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 1058 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 18:42:00,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 1192 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 18:42:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4208 states. [2022-07-22 18:42:03,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4208 to 2764. [2022-07-22 18:42:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2763 states have (on average 1.423090843286283) internal successors, (3932), 2763 states have internal predecessors, (3932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:42:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3932 transitions. [2022-07-22 18:42:03,321 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3932 transitions. Word has length 120 [2022-07-22 18:42:03,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:42:03,321 INFO L495 AbstractCegarLoop]: Abstraction has 2764 states and 3932 transitions. [2022-07-22 18:42:03,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:42:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3932 transitions. [2022-07-22 18:42:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-22 18:42:03,322 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:42:03,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:42:03,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-22 18:42:03,323 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:42:03,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:42:03,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1137378904, now seen corresponding path program 1 times [2022-07-22 18:42:03,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:42:03,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991915210] [2022-07-22 18:42:03,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:42:03,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:42:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:42:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:42:03,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:42:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991915210] [2022-07-22 18:42:03,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991915210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:42:03,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:42:03,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 18:42:03,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117186377] [2022-07-22 18:42:03,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:42:03,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 18:42:03,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:42:03,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 18:42:03,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-22 18:42:03,378 INFO L87 Difference]: Start difference. First operand 2764 states and 3932 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:42:07,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:42:07,537 INFO L93 Difference]: Finished difference Result 5166 states and 7398 transitions. [2022-07-22 18:42:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 18:42:07,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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 [2022-07-22 18:42:07,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:42:07,543 INFO L225 Difference]: With dead ends: 5166 [2022-07-22 18:42:07,543 INFO L226 Difference]: Without dead ends: 4686 [2022-07-22 18:42:07,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 18:42:07,544 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 1060 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:42:07,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 1061 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:42:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4686 states. [2022-07-22 18:42:10,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4686 to 3242. [2022-07-22 18:42:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3242 states, 3241 states have (on average 1.42548596112311) internal successors, (4620), 3241 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:42:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3242 states and 4620 transitions. [2022-07-22 18:42:10,388 INFO L78 Accepts]: Start accepts. Automaton has 3242 states and 4620 transitions. Word has length 120 [2022-07-22 18:42:10,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:42:10,388 INFO L495 AbstractCegarLoop]: Abstraction has 3242 states and 4620 transitions. [2022-07-22 18:42:10,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 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) [2022-07-22 18:42:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3242 states and 4620 transitions. [2022-07-22 18:42:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-22 18:42:10,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:42:10,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:42:10,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-22 18:42:10,390 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:42:10,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:42:10,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2068457782, now seen corresponding path program 1 times [2022-07-22 18:42:10,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:42:10,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356615136] [2022-07-22 18:42:10,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:42:10,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:42:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:42:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:42:10,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:42:10,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356615136] [2022-07-22 18:42:10,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356615136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:42:10,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:42:10,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:42:10,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893222686] [2022-07-22 18:42:10,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:42:10,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:42:10,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:42:10,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:42:10,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:10,428 INFO L87 Difference]: Start difference. First operand 3242 states and 4620 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 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) [2022-07-22 18:42:14,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:42:14,958 INFO L93 Difference]: Finished difference Result 8188 states and 11700 transitions. [2022-07-22 18:42:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:42:14,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 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 [2022-07-22 18:42:14,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:42:14,963 INFO L225 Difference]: With dead ends: 8188 [2022-07-22 18:42:14,963 INFO L226 Difference]: Without dead ends: 5078 [2022-07-22 18:42:14,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:14,965 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 96 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:42:14,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 423 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:42:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5078 states. [2022-07-22 18:42:19,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5078 to 4868. [2022-07-22 18:42:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4867 states have (on average 1.4144236696116705) internal successors, (6884), 4867 states have internal predecessors, (6884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:42:19,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 6884 transitions. [2022-07-22 18:42:19,304 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 6884 transitions. Word has length 121 [2022-07-22 18:42:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:42:19,304 INFO L495 AbstractCegarLoop]: Abstraction has 4868 states and 6884 transitions. [2022-07-22 18:42:19,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 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) [2022-07-22 18:42:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 6884 transitions. [2022-07-22 18:42:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-22 18:42:19,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:42:19,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:42:19,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-22 18:42:19,305 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:42:19,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:42:19,305 INFO L85 PathProgramCache]: Analyzing trace with hash -969611133, now seen corresponding path program 1 times [2022-07-22 18:42:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:42:19,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782702770] [2022-07-22 18:42:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:42:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:42:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:42:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:42:19,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:42:19,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782702770] [2022-07-22 18:42:19,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782702770] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:42:19,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:42:19,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:42:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496716018] [2022-07-22 18:42:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:42:19,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:42:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:42:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:42:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:19,340 INFO L87 Difference]: Start difference. First operand 4868 states and 6884 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-07-22 18:42:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:42:23,795 INFO L93 Difference]: Finished difference Result 9732 states and 13805 transitions. [2022-07-22 18:42:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:42:23,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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 [2022-07-22 18:42:23,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:42:23,800 INFO L225 Difference]: With dead ends: 9732 [2022-07-22 18:42:23,800 INFO L226 Difference]: Without dead ends: 4996 [2022-07-22 18:42:23,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:23,804 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 111 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:42:23,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 321 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:42:23,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4996 states. [2022-07-22 18:42:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4996 to 4994. [2022-07-22 18:42:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4994 states, 4993 states have (on average 1.403765271379932) internal successors, (7009), 4993 states have internal predecessors, (7009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:42:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 7009 transitions. [2022-07-22 18:42:28,379 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 7009 transitions. Word has length 122 [2022-07-22 18:42:28,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:42:28,379 INFO L495 AbstractCegarLoop]: Abstraction has 4994 states and 7009 transitions. [2022-07-22 18:42:28,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-07-22 18:42:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 7009 transitions. [2022-07-22 18:42:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-22 18:42:28,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:42:28,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:42:28,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-07-22 18:42:28,380 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:42:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:42:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash 627156676, now seen corresponding path program 1 times [2022-07-22 18:42:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:42:28,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354257289] [2022-07-22 18:42:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:42:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:42:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:42:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:42:28,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:42:28,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354257289] [2022-07-22 18:42:28,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354257289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:42:28,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:42:28,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:42:28,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99578766] [2022-07-22 18:42:28,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:42:28,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:42:28,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:42:28,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:42:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:28,426 INFO L87 Difference]: Start difference. First operand 4994 states and 7009 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-07-22 18:42:37,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:42:37,126 INFO L93 Difference]: Finished difference Result 14398 states and 20181 transitions. [2022-07-22 18:42:37,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:42:37,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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 [2022-07-22 18:42:37,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:42:37,135 INFO L225 Difference]: With dead ends: 14398 [2022-07-22 18:42:37,135 INFO L226 Difference]: Without dead ends: 9536 [2022-07-22 18:42:37,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:37,139 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 89 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:42:37,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 420 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:42:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9536 states. [2022-07-22 18:42:45,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9536 to 9214. [2022-07-22 18:42:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9214 states, 9213 states have (on average 1.39303158580267) internal successors, (12834), 9213 states have internal predecessors, (12834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:42:45,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9214 states to 9214 states and 12834 transitions. [2022-07-22 18:42:45,734 INFO L78 Accepts]: Start accepts. Automaton has 9214 states and 12834 transitions. Word has length 122 [2022-07-22 18:42:45,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:42:45,735 INFO L495 AbstractCegarLoop]: Abstraction has 9214 states and 12834 transitions. [2022-07-22 18:42:45,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 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) [2022-07-22 18:42:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9214 states and 12834 transitions. [2022-07-22 18:42:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 18:42:45,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:42:45,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:42:45,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-07-22 18:42:45,736 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:42:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:42:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1032814975, now seen corresponding path program 1 times [2022-07-22 18:42:45,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:42:45,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490961010] [2022-07-22 18:42:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:42:45,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:42:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:42:45,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:42:45,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:42:45,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490961010] [2022-07-22 18:42:45,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490961010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:42:45,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:42:45,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:42:45,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374428704] [2022-07-22 18:42:45,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:42:45,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:42:45,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:42:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:42:45,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:42:45,774 INFO L87 Difference]: Start difference. First operand 9214 states and 12834 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 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) [2022-07-22 18:43:02,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:43:02,235 INFO L93 Difference]: Finished difference Result 26738 states and 37096 transitions. [2022-07-22 18:43:02,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:43:02,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 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 [2022-07-22 18:43:02,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:43:02,253 INFO L225 Difference]: With dead ends: 26738 [2022-07-22 18:43:02,253 INFO L226 Difference]: Without dead ends: 17656 [2022-07-22 18:43:02,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:43:02,261 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 82 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:43:02,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:43:02,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17656 states. [2022-07-22 18:43:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17656 to 17014. [2022-07-22 18:43:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17014 states, 17013 states have (on average 1.3780050549579732) internal successors, (23444), 17013 states have internal predecessors, (23444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:43:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 23444 transitions. [2022-07-22 18:43:18,309 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 23444 transitions. Word has length 123 [2022-07-22 18:43:18,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:43:18,309 INFO L495 AbstractCegarLoop]: Abstraction has 17014 states and 23444 transitions. [2022-07-22 18:43:18,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 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) [2022-07-22 18:43:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 23444 transitions. [2022-07-22 18:43:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-22 18:43:18,309 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:43:18,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:43:18,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-07-22 18:43:18,310 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:43:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:43:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash -144687752, now seen corresponding path program 1 times [2022-07-22 18:43:18,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:43:18,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595443657] [2022-07-22 18:43:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:43:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:43:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:43:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:43:18,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:43:18,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595443657] [2022-07-22 18:43:18,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595443657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:43:18,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:43:18,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:43:18,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141874941] [2022-07-22 18:43:18,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:43:18,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:43:18,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:43:18,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:43:18,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:43:18,346 INFO L87 Difference]: Start difference. First operand 17014 states and 23444 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 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) [2022-07-22 18:43:49,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 18:43:49,292 INFO L93 Difference]: Finished difference Result 49498 states and 67806 transitions. [2022-07-22 18:43:49,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 18:43:49,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 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 [2022-07-22 18:43:49,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 18:43:49,333 INFO L225 Difference]: With dead ends: 49498 [2022-07-22 18:43:49,333 INFO L226 Difference]: Without dead ends: 32616 [2022-07-22 18:43:49,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:43:49,353 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 75 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 18:43:49,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 421 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 18:43:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32616 states. [2022-07-22 18:44:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32616 to 31334. [2022-07-22 18:44:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31334 states, 31333 states have (on average 1.3590782880668943) internal successors, (42584), 31333 states have internal predecessors, (42584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 18:44:19,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31334 states to 31334 states and 42584 transitions. [2022-07-22 18:44:19,209 INFO L78 Accepts]: Start accepts. Automaton has 31334 states and 42584 transitions. Word has length 124 [2022-07-22 18:44:19,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 18:44:19,210 INFO L495 AbstractCegarLoop]: Abstraction has 31334 states and 42584 transitions. [2022-07-22 18:44:19,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 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) [2022-07-22 18:44:19,210 INFO L276 IsEmpty]: Start isEmpty. Operand 31334 states and 42584 transitions. [2022-07-22 18:44:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-22 18:44:19,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 18:44:19,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 18:44:19,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-07-22 18:44:19,211 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2022-07-22 18:44:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 18:44:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1164457485, now seen corresponding path program 1 times [2022-07-22 18:44:19,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 18:44:19,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414709359] [2022-07-22 18:44:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 18:44:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 18:44:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 18:44:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 18:44:19,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 18:44:19,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414709359] [2022-07-22 18:44:19,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414709359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 18:44:19,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 18:44:19,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 18:44:19,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548565010] [2022-07-22 18:44:19,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 18:44:19,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 18:44:19,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 18:44:19,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 18:44:19,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 18:44:19,250 INFO L87 Difference]: Start difference. First operand 31334 states and 42584 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 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)