./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b77f3a84818afa598b0eb39254acb84b353143275f6b4c2e95d15ee5488d008 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 07:30:52,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:30:52,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:30:52,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:30:52,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:30:52,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:30:52,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:30:52,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:30:52,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:30:52,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:30:52,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:30:52,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:30:52,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:30:52,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:30:52,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:30:52,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:30:52,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:30:52,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:30:52,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:30:52,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:30:52,363 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:30:52,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:30:52,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:30:52,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:30:52,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:30:52,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:30:52,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:30:52,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:30:52,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:30:52,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:30:52,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:30:52,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:30:52,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:30:52,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:30:52,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:30:52,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:30:52,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:30:52,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:30:52,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:30:52,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:30:52,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:30:52,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:30:52,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:30:52,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:30:52,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:30:52,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:30:52,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:30:52,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:30:52,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:30:52,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:30:52,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:30:52,404 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:30:52,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:30:52,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:30:52,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:30:52,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:30:52,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:30:52,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:30:52,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:30:52,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:30:52,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:30:52,407 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:30:52,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:30:52,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:30:52,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b77f3a84818afa598b0eb39254acb84b353143275f6b4c2e95d15ee5488d008 [2022-07-12 07:30:52,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:30:52,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:30:52,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:30:52,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:30:52,666 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:30:52,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:30:52,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463eecd4f/ee304892bf754be1b9c1bba066ff7ba2/FLAG1c2faf71f [2022-07-12 07:30:53,341 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:30:53,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:30:53,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463eecd4f/ee304892bf754be1b9c1bba066ff7ba2/FLAG1c2faf71f [2022-07-12 07:30:53,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463eecd4f/ee304892bf754be1b9c1bba066ff7ba2 [2022-07-12 07:30:53,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:30:53,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:30:53,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:30:53,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:30:53,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:30:53,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:30:53" (1/1) ... [2022-07-12 07:30:53,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49247248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:53, skipping insertion in model container [2022-07-12 07:30:53,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:30:53" (1/1) ... [2022-07-12 07:30:53,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:30:53,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:30:54,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2022-07-12 07:30:54,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2022-07-12 07:30:54,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2022-07-12 07:30:54,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2022-07-12 07:30:54,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2022-07-12 07:30:54,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2022-07-12 07:30:54,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2022-07-12 07:30:54,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2022-07-12 07:30:54,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2022-07-12 07:30:54,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2022-07-12 07:30:54,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2022-07-12 07:30:54,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2022-07-12 07:30:54,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2022-07-12 07:30:54,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2022-07-12 07:30:54,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2022-07-12 07:30:54,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2022-07-12 07:30:54,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2022-07-12 07:30:54,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2022-07-12 07:30:54,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2022-07-12 07:30:54,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2022-07-12 07:30:54,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2022-07-12 07:30:54,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2022-07-12 07:30:54,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2022-07-12 07:30:54,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2022-07-12 07:30:54,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2022-07-12 07:30:54,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2022-07-12 07:30:54,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2022-07-12 07:30:54,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2022-07-12 07:30:54,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2022-07-12 07:30:55,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:30:55,183 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:30:55,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2022-07-12 07:30:55,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2022-07-12 07:30:55,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2022-07-12 07:30:55,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2022-07-12 07:30:55,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2022-07-12 07:30:55,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2022-07-12 07:30:55,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2022-07-12 07:30:55,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2022-07-12 07:30:55,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2022-07-12 07:30:55,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2022-07-12 07:30:55,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2022-07-12 07:30:55,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2022-07-12 07:30:55,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2022-07-12 07:30:55,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2022-07-12 07:30:55,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2022-07-12 07:30:55,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2022-07-12 07:30:55,353 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2022-07-12 07:30:55,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2022-07-12 07:30:55,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2022-07-12 07:30:55,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2022-07-12 07:30:55,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2022-07-12 07:30:55,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2022-07-12 07:30:55,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2022-07-12 07:30:55,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2022-07-12 07:30:55,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2022-07-12 07:30:55,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2022-07-12 07:30:55,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2022-07-12 07:30:55,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2022-07-12 07:30:55,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2022-07-12 07:30:55,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:30:55,824 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:30:55,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55 WrapperNode [2022-07-12 07:30:55,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:30:55,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:30:55,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:30:55,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:30:55,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:55,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,000 INFO L137 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12087 [2022-07-12 07:30:56,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:30:56,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:30:56,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:30:56,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:30:56,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:30:56,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:30:56,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:30:56,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:30:56,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (1/1) ... [2022-07-12 07:30:56,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:30:56,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:30:56,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 07:30:56,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 07:30:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:30:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:30:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:30:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:30:56,621 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:30:56,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:30:59,937 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:30:59,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:30:59,981 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:30:59,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:30:59 BoogieIcfgContainer [2022-07-12 07:30:59,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:30:59,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:30:59,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:30:59,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:30:59,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:30:53" (1/3) ... [2022-07-12 07:30:59,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287621c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:30:59, skipping insertion in model container [2022-07-12 07:30:59,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:30:55" (2/3) ... [2022-07-12 07:30:59,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@287621c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:30:59, skipping insertion in model container [2022-07-12 07:30:59,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:30:59" (3/3) ... [2022-07-12 07:30:59,994 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:31:00,004 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:31:00,004 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-07-12 07:31:00,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:31:00,089 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@24465742, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c14ee6f [2022-07-12 07:31:00,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-07-12 07:31:00,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 2064 states, 2034 states have (on average 1.867748279252704) internal successors, (3799), 2063 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-12 07:31:00,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:00,121 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] [2022-07-12 07:31:00,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:00,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:00,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1776091410, now seen corresponding path program 1 times [2022-07-12 07:31:00,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:00,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466945764] [2022-07-12 07:31:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:00,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:00,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:00,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466945764] [2022-07-12 07:31:00,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466945764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:00,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:00,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:00,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741983330] [2022-07-12 07:31:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:00,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:00,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:00,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:00,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:00,661 INFO L87 Difference]: Start difference. First operand has 2064 states, 2034 states have (on average 1.867748279252704) internal successors, (3799), 2063 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:02,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:02,116 INFO L93 Difference]: Finished difference Result 3639 states and 6415 transitions. [2022-07-12 07:31:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:02,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-07-12 07:31:02,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:02,139 INFO L225 Difference]: With dead ends: 3639 [2022-07-12 07:31:02,139 INFO L226 Difference]: Without dead ends: 2131 [2022-07-12 07:31:02,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:02,154 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 10044 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10044 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:02,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10044 Valid, 2433 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 07:31:02,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2022-07-12 07:31:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2029. [2022-07-12 07:31:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2029 states, 2000 states have (on average 1.3745) internal successors, (2749), 2028 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 2029 states and 2749 transitions. [2022-07-12 07:31:02,273 INFO L78 Accepts]: Start accepts. Automaton has 2029 states and 2749 transitions. Word has length 100 [2022-07-12 07:31:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:02,274 INFO L495 AbstractCegarLoop]: Abstraction has 2029 states and 2749 transitions. [2022-07-12 07:31:02,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2749 transitions. [2022-07-12 07:31:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-07-12 07:31:02,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:02,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:02,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:31:02,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:02,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1108678289, now seen corresponding path program 1 times [2022-07-12 07:31:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:02,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103773722] [2022-07-12 07:31:02,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:02,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:02,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:02,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103773722] [2022-07-12 07:31:02,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103773722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:02,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:02,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536234452] [2022-07-12 07:31:02,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:02,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:02,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:02,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:02,460 INFO L87 Difference]: Start difference. First operand 2029 states and 2749 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:03,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:03,216 INFO L93 Difference]: Finished difference Result 3493 states and 4870 transitions. [2022-07-12 07:31:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:03,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-07-12 07:31:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:03,224 INFO L225 Difference]: With dead ends: 3493 [2022-07-12 07:31:03,225 INFO L226 Difference]: Without dead ends: 1797 [2022-07-12 07:31:03,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:03,232 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 5135 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:03,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5135 Valid, 994 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 07:31:03,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2022-07-12 07:31:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1797. [2022-07-12 07:31:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1768 states have (on average 1.4044117647058822) internal successors, (2483), 1796 states have internal predecessors, (2483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2483 transitions. [2022-07-12 07:31:03,350 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2483 transitions. Word has length 101 [2022-07-12 07:31:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:03,352 INFO L495 AbstractCegarLoop]: Abstraction has 1797 states and 2483 transitions. [2022-07-12 07:31:03,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2483 transitions. [2022-07-12 07:31:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-12 07:31:03,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:03,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:03,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 07:31:03,360 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash 487850506, now seen corresponding path program 1 times [2022-07-12 07:31:03,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:03,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128318976] [2022-07-12 07:31:03,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:03,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:03,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128318976] [2022-07-12 07:31:03,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128318976] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:03,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:03,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:03,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752743117] [2022-07-12 07:31:03,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:03,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:03,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:03,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:03,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:03,503 INFO L87 Difference]: Start difference. First operand 1797 states and 2483 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:04,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:04,126 INFO L93 Difference]: Finished difference Result 3261 states and 4602 transitions. [2022-07-12 07:31:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:04,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-12 07:31:04,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:04,132 INFO L225 Difference]: With dead ends: 3261 [2022-07-12 07:31:04,132 INFO L226 Difference]: Without dead ends: 1669 [2022-07-12 07:31:04,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:04,134 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 4734 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4734 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:04,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4734 Valid, 914 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 07:31:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2022-07-12 07:31:04,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2022-07-12 07:31:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1640 states have (on average 1.425) internal successors, (2337), 1668 states have internal predecessors, (2337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2337 transitions. [2022-07-12 07:31:04,193 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2337 transitions. Word has length 102 [2022-07-12 07:31:04,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:04,194 INFO L495 AbstractCegarLoop]: Abstraction has 1669 states and 2337 transitions. [2022-07-12 07:31:04,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2337 transitions. [2022-07-12 07:31:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-12 07:31:04,196 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:04,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:04,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 07:31:04,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:04,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash -151518128, now seen corresponding path program 1 times [2022-07-12 07:31:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:04,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173014292] [2022-07-12 07:31:04,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:04,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:04,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173014292] [2022-07-12 07:31:04,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173014292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:04,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:04,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:04,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142404508] [2022-07-12 07:31:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:04,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:04,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:04,285 INFO L87 Difference]: Start difference. First operand 1669 states and 2337 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:05,044 INFO L93 Difference]: Finished difference Result 3133 states and 4454 transitions. [2022-07-12 07:31:05,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:05,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-07-12 07:31:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:05,052 INFO L225 Difference]: With dead ends: 3133 [2022-07-12 07:31:05,052 INFO L226 Difference]: Without dead ends: 1629 [2022-07-12 07:31:05,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:05,057 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 4390 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4390 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:05,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4390 Valid, 702 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 07:31:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2022-07-12 07:31:05,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 1629. [2022-07-12 07:31:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1629 states, 1600 states have (on average 1.429375) internal successors, (2287), 1628 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1629 states and 2287 transitions. [2022-07-12 07:31:05,106 INFO L78 Accepts]: Start accepts. Automaton has 1629 states and 2287 transitions. Word has length 103 [2022-07-12 07:31:05,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:05,106 INFO L495 AbstractCegarLoop]: Abstraction has 1629 states and 2287 transitions. [2022-07-12 07:31:05,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 2287 transitions. [2022-07-12 07:31:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-12 07:31:05,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:05,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:05,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 07:31:05,109 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:05,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash 683064411, now seen corresponding path program 1 times [2022-07-12 07:31:05,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:05,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032277994] [2022-07-12 07:31:05,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:05,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:05,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:05,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032277994] [2022-07-12 07:31:05,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032277994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:05,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:05,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:05,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495996981] [2022-07-12 07:31:05,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:05,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:05,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:05,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:05,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:05,194 INFO L87 Difference]: Start difference. First operand 1629 states and 2287 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:05,776 INFO L93 Difference]: Finished difference Result 3093 states and 4402 transitions. [2022-07-12 07:31:05,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:05,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-07-12 07:31:05,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:05,782 INFO L225 Difference]: With dead ends: 3093 [2022-07-12 07:31:05,782 INFO L226 Difference]: Without dead ends: 1576 [2022-07-12 07:31:05,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:05,784 INFO L413 NwaCegarLoop]: 833 mSDtfsCounter, 4451 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4451 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:05,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4451 Valid, 845 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 07:31:05,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-07-12 07:31:05,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2022-07-12 07:31:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1547 states have (on average 1.4402068519715578) internal successors, (2228), 1575 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2228 transitions. [2022-07-12 07:31:05,834 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2228 transitions. Word has length 104 [2022-07-12 07:31:05,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:05,834 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 2228 transitions. [2022-07-12 07:31:05,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2228 transitions. [2022-07-12 07:31:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-12 07:31:05,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:05,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:05,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 07:31:05,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:05,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:05,838 INFO L85 PathProgramCache]: Analyzing trace with hash 739412290, now seen corresponding path program 1 times [2022-07-12 07:31:05,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:05,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967522247] [2022-07-12 07:31:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:05,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:05,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:05,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967522247] [2022-07-12 07:31:05,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967522247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:05,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:05,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:05,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215330039] [2022-07-12 07:31:05,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:05,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:05,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:05,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:05,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:05,921 INFO L87 Difference]: Start difference. First operand 1576 states and 2228 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:06,541 INFO L93 Difference]: Finished difference Result 3040 states and 4341 transitions. [2022-07-12 07:31:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:06,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-07-12 07:31:06,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:06,546 INFO L225 Difference]: With dead ends: 3040 [2022-07-12 07:31:06,546 INFO L226 Difference]: Without dead ends: 1551 [2022-07-12 07:31:06,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:06,550 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 4350 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4350 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:06,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4350 Valid, 832 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 07:31:06,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2022-07-12 07:31:06,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1551. [2022-07-12 07:31:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1522 states have (on average 1.444809461235217) internal successors, (2199), 1550 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2199 transitions. [2022-07-12 07:31:06,615 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2199 transitions. Word has length 105 [2022-07-12 07:31:06,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:06,615 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 2199 transitions. [2022-07-12 07:31:06,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2199 transitions. [2022-07-12 07:31:06,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 07:31:06,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:06,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:06,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 07:31:06,618 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:06,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:06,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1545322768, now seen corresponding path program 1 times [2022-07-12 07:31:06,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:06,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957294049] [2022-07-12 07:31:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:06,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:06,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:06,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957294049] [2022-07-12 07:31:06,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957294049] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:06,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:06,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:31:06,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513907912] [2022-07-12 07:31:06,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:06,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:31:06,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:06,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:31:06,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:31:06,714 INFO L87 Difference]: Start difference. First operand 1551 states and 2199 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:07,346 INFO L93 Difference]: Finished difference Result 3015 states and 4310 transitions. [2022-07-12 07:31:07,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:31:07,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-12 07:31:07,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:07,351 INFO L225 Difference]: With dead ends: 3015 [2022-07-12 07:31:07,352 INFO L226 Difference]: Without dead ends: 1543 [2022-07-12 07:31:07,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:31:07,354 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 4203 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4203 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:07,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4203 Valid, 765 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 07:31:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2022-07-12 07:31:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1543. [2022-07-12 07:31:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4451783355350065) internal successors, (2188), 1542 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2188 transitions. [2022-07-12 07:31:07,445 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2188 transitions. Word has length 106 [2022-07-12 07:31:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:07,446 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2188 transitions. [2022-07-12 07:31:07,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2188 transitions. [2022-07-12 07:31:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:07,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:07,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:07,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 07:31:07,450 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:07,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1619061170, now seen corresponding path program 1 times [2022-07-12 07:31:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:07,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144006870] [2022-07-12 07:31:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:07,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:07,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:07,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144006870] [2022-07-12 07:31:07,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144006870] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:07,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:07,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:31:07,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196855229] [2022-07-12 07:31:07,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:07,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:31:07,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:07,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:31:07,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:31:07,637 INFO L87 Difference]: Start difference. First operand 1543 states and 2188 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:09,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:09,963 INFO L93 Difference]: Finished difference Result 2956 states and 4209 transitions. [2022-07-12 07:31:09,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:31:09,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:09,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:09,973 INFO L225 Difference]: With dead ends: 2956 [2022-07-12 07:31:09,974 INFO L226 Difference]: Without dead ends: 2765 [2022-07-12 07:31:09,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:31:09,976 INFO L413 NwaCegarLoop]: 862 mSDtfsCounter, 8060 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 4013 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8060 SdHoareTripleChecker+Valid, 4589 SdHoareTripleChecker+Invalid, 4133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 4013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:09,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8060 Valid, 4589 Invalid, 4133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 4013 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:31:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2765 states. [2022-07-12 07:31:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2765 to 1556. [2022-07-12 07:31:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.4453176162409953) internal successors, (2207), 1555 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:10,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2207 transitions. [2022-07-12 07:31:10,116 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2207 transitions. Word has length 107 [2022-07-12 07:31:10,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:10,117 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2207 transitions. [2022-07-12 07:31:10,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2207 transitions. [2022-07-12 07:31:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:10,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:10,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:10,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 07:31:10,121 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash 321171132, now seen corresponding path program 1 times [2022-07-12 07:31:10,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:10,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830351428] [2022-07-12 07:31:10,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:10,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:10,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:10,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830351428] [2022-07-12 07:31:10,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830351428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:10,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:10,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:31:10,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648595288] [2022-07-12 07:31:10,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:10,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:31:10,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:10,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:31:10,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:31:10,295 INFO L87 Difference]: Start difference. First operand 1556 states and 2207 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:12,826 INFO L93 Difference]: Finished difference Result 3114 states and 4426 transitions. [2022-07-12 07:31:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:31:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:12,834 INFO L225 Difference]: With dead ends: 3114 [2022-07-12 07:31:12,834 INFO L226 Difference]: Without dead ends: 2884 [2022-07-12 07:31:12,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:31:12,837 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 9516 mSDsluCounter, 5062 mSDsCounter, 0 mSdLazyCounter, 5056 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9516 SdHoareTripleChecker+Valid, 5932 SdHoareTripleChecker+Invalid, 5140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 5056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:12,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9516 Valid, 5932 Invalid, 5140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 5056 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 07:31:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2884 states. [2022-07-12 07:31:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2884 to 1556. [2022-07-12 07:31:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1527 states have (on average 1.444662737393582) internal successors, (2206), 1555 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2206 transitions. [2022-07-12 07:31:12,935 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2206 transitions. Word has length 107 [2022-07-12 07:31:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:12,936 INFO L495 AbstractCegarLoop]: Abstraction has 1556 states and 2206 transitions. [2022-07-12 07:31:12,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2206 transitions. [2022-07-12 07:31:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:12,938 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:12,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 07:31:12,939 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:12,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1269156506, now seen corresponding path program 1 times [2022-07-12 07:31:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:12,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776970925] [2022-07-12 07:31:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:13,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:13,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776970925] [2022-07-12 07:31:13,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776970925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:13,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:13,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:31:13,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143932054] [2022-07-12 07:31:13,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:13,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:31:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:13,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:31:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:31:13,099 INFO L87 Difference]: Start difference. First operand 1556 states and 2206 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:15,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:15,241 INFO L93 Difference]: Finished difference Result 3021 states and 4314 transitions. [2022-07-12 07:31:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:31:15,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:15,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:15,249 INFO L225 Difference]: With dead ends: 3021 [2022-07-12 07:31:15,249 INFO L226 Difference]: Without dead ends: 2806 [2022-07-12 07:31:15,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:31:15,251 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 6796 mSDsluCounter, 4267 mSDsCounter, 0 mSdLazyCounter, 4336 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6796 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 4405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 4336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:15,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6796 Valid, 5141 Invalid, 4405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 4336 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:31:15,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2022-07-12 07:31:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 1558. [2022-07-12 07:31:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4440810987573578) internal successors, (2208), 1557 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2208 transitions. [2022-07-12 07:31:15,407 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2208 transitions. Word has length 107 [2022-07-12 07:31:15,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:15,408 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2208 transitions. [2022-07-12 07:31:15,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 11 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2208 transitions. [2022-07-12 07:31:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:15,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:15,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:15,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 07:31:15,412 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:15,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1690715753, now seen corresponding path program 1 times [2022-07-12 07:31:15,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:15,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904601030] [2022-07-12 07:31:15,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:15,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:15,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:15,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904601030] [2022-07-12 07:31:15,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904601030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:15,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:15,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:15,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685418606] [2022-07-12 07:31:15,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:15,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:15,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:15,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:15,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:15,546 INFO L87 Difference]: Start difference. First operand 1558 states and 2208 transitions. Second operand has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:17,336 INFO L93 Difference]: Finished difference Result 2960 states and 4230 transitions. [2022-07-12 07:31:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:17,345 INFO L225 Difference]: With dead ends: 2960 [2022-07-12 07:31:17,345 INFO L226 Difference]: Without dead ends: 2745 [2022-07-12 07:31:17,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:17,346 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 6573 mSDsluCounter, 2854 mSDsCounter, 0 mSdLazyCounter, 3121 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6573 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 3180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 3121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:17,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6573 Valid, 3719 Invalid, 3180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 3121 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:31:17,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2022-07-12 07:31:17,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 1558. [2022-07-12 07:31:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4434270765206016) internal successors, (2207), 1557 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:17,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2207 transitions. [2022-07-12 07:31:17,486 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2207 transitions. Word has length 107 [2022-07-12 07:31:17,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:17,486 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2207 transitions. [2022-07-12 07:31:17,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.88888888888889) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:17,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2207 transitions. [2022-07-12 07:31:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:17,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:17,490 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:17,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 07:31:17,490 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:17,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:17,491 INFO L85 PathProgramCache]: Analyzing trace with hash 64636340, now seen corresponding path program 1 times [2022-07-12 07:31:17,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:17,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236052613] [2022-07-12 07:31:17,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:17,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:17,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:17,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236052613] [2022-07-12 07:31:17,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236052613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:17,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:17,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:17,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224930606] [2022-07-12 07:31:17,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:17,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:17,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:17,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:17,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:17,638 INFO L87 Difference]: Start difference. First operand 1558 states and 2207 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:19,644 INFO L93 Difference]: Finished difference Result 3127 states and 4477 transitions. [2022-07-12 07:31:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:19,654 INFO L225 Difference]: With dead ends: 3127 [2022-07-12 07:31:19,655 INFO L226 Difference]: Without dead ends: 2761 [2022-07-12 07:31:19,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:19,657 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 8988 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8988 SdHoareTripleChecker+Valid, 4541 SdHoareTripleChecker+Invalid, 3789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:19,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8988 Valid, 4541 Invalid, 3789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:31:19,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-07-12 07:31:19,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1558. [2022-07-12 07:31:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4421190320470896) internal successors, (2205), 1557 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2205 transitions. [2022-07-12 07:31:19,789 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2205 transitions. Word has length 107 [2022-07-12 07:31:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:19,790 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2205 transitions. [2022-07-12 07:31:19,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2205 transitions. [2022-07-12 07:31:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:19,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:19,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:19,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 07:31:19,794 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1471385960, now seen corresponding path program 1 times [2022-07-12 07:31:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:19,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489933850] [2022-07-12 07:31:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:19,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:19,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489933850] [2022-07-12 07:31:19,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489933850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:19,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:19,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959874397] [2022-07-12 07:31:19,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:19,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:19,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:19,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:19,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:19,967 INFO L87 Difference]: Start difference. First operand 1558 states and 2205 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:22,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:22,104 INFO L93 Difference]: Finished difference Result 2995 states and 4282 transitions. [2022-07-12 07:31:22,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:22,104 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:22,109 INFO L225 Difference]: With dead ends: 2995 [2022-07-12 07:31:22,109 INFO L226 Difference]: Without dead ends: 2737 [2022-07-12 07:31:22,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:22,110 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 4135 mSDsluCounter, 4036 mSDsCounter, 0 mSdLazyCounter, 4141 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 4997 SdHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 4141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:22,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 4997 Invalid, 4185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 4141 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:31:22,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-07-12 07:31:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 1558. [2022-07-12 07:31:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4408109875735775) internal successors, (2203), 1557 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2203 transitions. [2022-07-12 07:31:22,220 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2203 transitions. Word has length 107 [2022-07-12 07:31:22,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:22,220 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2203 transitions. [2022-07-12 07:31:22,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2203 transitions. [2022-07-12 07:31:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:22,222 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:22,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:22,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 07:31:22,222 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1678647856, now seen corresponding path program 1 times [2022-07-12 07:31:22,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:22,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194134726] [2022-07-12 07:31:22,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:22,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:22,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:22,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194134726] [2022-07-12 07:31:22,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194134726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:22,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:22,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:22,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423193727] [2022-07-12 07:31:22,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:22,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:22,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:22,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:22,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:22,333 INFO L87 Difference]: Start difference. First operand 1558 states and 2203 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:24,391 INFO L93 Difference]: Finished difference Result 2919 states and 4163 transitions. [2022-07-12 07:31:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:24,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:24,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:24,397 INFO L225 Difference]: With dead ends: 2919 [2022-07-12 07:31:24,398 INFO L226 Difference]: Without dead ends: 2705 [2022-07-12 07:31:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:24,399 INFO L413 NwaCegarLoop]: 1026 mSDtfsCounter, 7915 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7915 SdHoareTripleChecker+Valid, 5304 SdHoareTripleChecker+Invalid, 4567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:24,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7915 Valid, 5304 Invalid, 4567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:31:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-07-12 07:31:24,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1558. [2022-07-12 07:31:24,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4395029431000654) internal successors, (2201), 1557 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2201 transitions. [2022-07-12 07:31:24,559 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2201 transitions. Word has length 107 [2022-07-12 07:31:24,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:24,559 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2201 transitions. [2022-07-12 07:31:24,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2201 transitions. [2022-07-12 07:31:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:24,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:24,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:24,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 07:31:24,562 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:24,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:24,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1318429402, now seen corresponding path program 1 times [2022-07-12 07:31:24,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:24,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782680249] [2022-07-12 07:31:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:24,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:24,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782680249] [2022-07-12 07:31:24,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782680249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:24,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:24,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:24,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503945234] [2022-07-12 07:31:24,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:24,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:24,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:24,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:24,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:24,661 INFO L87 Difference]: Start difference. First operand 1558 states and 2201 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:26,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:26,794 INFO L93 Difference]: Finished difference Result 3017 states and 4303 transitions. [2022-07-12 07:31:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:26,795 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:26,799 INFO L225 Difference]: With dead ends: 3017 [2022-07-12 07:31:26,799 INFO L226 Difference]: Without dead ends: 2737 [2022-07-12 07:31:26,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:26,801 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 6097 mSDsluCounter, 4907 mSDsCounter, 0 mSdLazyCounter, 4867 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6097 SdHoareTripleChecker+Valid, 5868 SdHoareTripleChecker+Invalid, 4923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 4867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:26,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6097 Valid, 5868 Invalid, 4923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 4867 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:31:26,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-07-12 07:31:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 1558. [2022-07-12 07:31:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4381948986265534) internal successors, (2199), 1557 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2199 transitions. [2022-07-12 07:31:26,960 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2199 transitions. Word has length 107 [2022-07-12 07:31:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:26,960 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2199 transitions. [2022-07-12 07:31:26,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2199 transitions. [2022-07-12 07:31:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:26,963 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:26,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:26,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 07:31:26,963 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:26,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:26,964 INFO L85 PathProgramCache]: Analyzing trace with hash 985303761, now seen corresponding path program 1 times [2022-07-12 07:31:26,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:26,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335758459] [2022-07-12 07:31:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:26,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:27,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:27,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335758459] [2022-07-12 07:31:27,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335758459] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:27,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:27,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:27,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182019207] [2022-07-12 07:31:27,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:27,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:27,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:27,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:27,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:27,096 INFO L87 Difference]: Start difference. First operand 1558 states and 2199 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:29,164 INFO L93 Difference]: Finished difference Result 3033 states and 4315 transitions. [2022-07-12 07:31:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:29,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:29,169 INFO L225 Difference]: With dead ends: 3033 [2022-07-12 07:31:29,169 INFO L226 Difference]: Without dead ends: 2737 [2022-07-12 07:31:29,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:29,171 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 7944 mSDsluCounter, 3796 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7944 SdHoareTripleChecker+Valid, 4710 SdHoareTripleChecker+Invalid, 3958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:29,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7944 Valid, 4710 Invalid, 3958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:31:29,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-07-12 07:31:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 1558. [2022-07-12 07:31:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4368868541530413) internal successors, (2197), 1557 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2197 transitions. [2022-07-12 07:31:29,304 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2197 transitions. Word has length 107 [2022-07-12 07:31:29,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:29,304 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2197 transitions. [2022-07-12 07:31:29,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2197 transitions. [2022-07-12 07:31:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:29,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:29,306 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:29,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 07:31:29,307 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:29,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:29,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2092313051, now seen corresponding path program 1 times [2022-07-12 07:31:29,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:29,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557630407] [2022-07-12 07:31:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:29,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:29,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557630407] [2022-07-12 07:31:29,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557630407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:29,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:29,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:29,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943250902] [2022-07-12 07:31:29,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:29,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:29,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:29,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:29,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:29,447 INFO L87 Difference]: Start difference. First operand 1558 states and 2197 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:31,675 INFO L93 Difference]: Finished difference Result 2927 states and 4165 transitions. [2022-07-12 07:31:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:31,680 INFO L225 Difference]: With dead ends: 2927 [2022-07-12 07:31:31,680 INFO L226 Difference]: Without dead ends: 2705 [2022-07-12 07:31:31,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:31,681 INFO L413 NwaCegarLoop]: 1089 mSDtfsCounter, 7435 mSDsluCounter, 4590 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7435 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 4721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:31,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7435 Valid, 5679 Invalid, 4721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:31:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-07-12 07:31:31,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1558. [2022-07-12 07:31:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.435578809679529) internal successors, (2195), 1557 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2195 transitions. [2022-07-12 07:31:31,803 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2195 transitions. Word has length 107 [2022-07-12 07:31:31,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:31,803 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2195 transitions. [2022-07-12 07:31:31,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2195 transitions. [2022-07-12 07:31:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 07:31:31,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:31,805 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:31,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 07:31:31,805 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:31,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:31,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1683467823, now seen corresponding path program 1 times [2022-07-12 07:31:31,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:31,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823865629] [2022-07-12 07:31:31,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:31,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:31,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823865629] [2022-07-12 07:31:31,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823865629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:31,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:31,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:31:31,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317745646] [2022-07-12 07:31:31,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:31,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:31:31,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:31,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:31:31,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:31:31,932 INFO L87 Difference]: Start difference. First operand 1558 states and 2195 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:34,119 INFO L93 Difference]: Finished difference Result 3181 states and 4517 transitions. [2022-07-12 07:31:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 07:31:34,119 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-07-12 07:31:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:34,124 INFO L225 Difference]: With dead ends: 3181 [2022-07-12 07:31:34,124 INFO L226 Difference]: Without dead ends: 2761 [2022-07-12 07:31:34,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2022-07-12 07:31:34,126 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 6972 mSDsluCounter, 4430 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6972 SdHoareTripleChecker+Valid, 5311 SdHoareTripleChecker+Invalid, 4420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:34,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6972 Valid, 5311 Invalid, 4420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:31:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2022-07-12 07:31:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1558. [2022-07-12 07:31:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.434270765206017) internal successors, (2193), 1557 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2193 transitions. [2022-07-12 07:31:34,267 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2193 transitions. Word has length 107 [2022-07-12 07:31:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:34,267 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2193 transitions. [2022-07-12 07:31:34,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 10 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2193 transitions. [2022-07-12 07:31:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:34,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:34,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:34,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 07:31:34,269 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash -27908421, now seen corresponding path program 1 times [2022-07-12 07:31:34,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:34,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903049117] [2022-07-12 07:31:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:34,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:34,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903049117] [2022-07-12 07:31:34,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903049117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:34,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:34,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:34,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93459563] [2022-07-12 07:31:34,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:34,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:34,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:34,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:34,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:34,388 INFO L87 Difference]: Start difference. First operand 1558 states and 2193 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:36,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:36,127 INFO L93 Difference]: Finished difference Result 2763 states and 3903 transitions. [2022-07-12 07:31:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:36,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:36,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:36,156 INFO L225 Difference]: With dead ends: 2763 [2022-07-12 07:31:36,156 INFO L226 Difference]: Without dead ends: 2379 [2022-07-12 07:31:36,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:36,158 INFO L413 NwaCegarLoop]: 811 mSDtfsCounter, 8065 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8065 SdHoareTripleChecker+Valid, 4237 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:36,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8065 Valid, 4237 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 07:31:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2022-07-12 07:31:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 1543. [2022-07-12 07:31:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4346103038309115) internal successors, (2172), 1542 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2172 transitions. [2022-07-12 07:31:36,290 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2172 transitions. Word has length 109 [2022-07-12 07:31:36,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:36,290 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2172 transitions. [2022-07-12 07:31:36,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2172 transitions. [2022-07-12 07:31:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:36,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:36,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:36,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 07:31:36,293 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:36,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1087108112, now seen corresponding path program 1 times [2022-07-12 07:31:36,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:36,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593991479] [2022-07-12 07:31:36,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:36,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:36,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593991479] [2022-07-12 07:31:36,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593991479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:36,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:36,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:36,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030173802] [2022-07-12 07:31:36,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:36,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:36,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:36,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:36,386 INFO L87 Difference]: Start difference. First operand 1543 states and 2172 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:38,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:38,490 INFO L93 Difference]: Finished difference Result 3015 states and 4296 transitions. [2022-07-12 07:31:38,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:38,491 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:38,495 INFO L225 Difference]: With dead ends: 3015 [2022-07-12 07:31:38,495 INFO L226 Difference]: Without dead ends: 2754 [2022-07-12 07:31:38,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:31:38,497 INFO L413 NwaCegarLoop]: 980 mSDtfsCounter, 7987 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7987 SdHoareTripleChecker+Valid, 4262 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:38,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7987 Valid, 4262 Invalid, 3513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3468 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:31:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2022-07-12 07:31:38,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 1543. [2022-07-12 07:31:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4339498018494055) internal successors, (2171), 1542 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2171 transitions. [2022-07-12 07:31:38,690 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2171 transitions. Word has length 109 [2022-07-12 07:31:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:38,690 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2171 transitions. [2022-07-12 07:31:38,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2171 transitions. [2022-07-12 07:31:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:38,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:38,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:38,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 07:31:38,692 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:38,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:38,693 INFO L85 PathProgramCache]: Analyzing trace with hash -604463307, now seen corresponding path program 1 times [2022-07-12 07:31:38,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:38,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302561480] [2022-07-12 07:31:38,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:38,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:38,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:38,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302561480] [2022-07-12 07:31:38,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302561480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:38,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:38,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:38,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943161161] [2022-07-12 07:31:38,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:38,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:38,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:38,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:38,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:38,783 INFO L87 Difference]: Start difference. First operand 1543 states and 2171 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:40,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:40,747 INFO L93 Difference]: Finished difference Result 2929 states and 4171 transitions. [2022-07-12 07:31:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:40,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:40,750 INFO L225 Difference]: With dead ends: 2929 [2022-07-12 07:31:40,750 INFO L226 Difference]: Without dead ends: 2722 [2022-07-12 07:31:40,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:40,751 INFO L413 NwaCegarLoop]: 1126 mSDtfsCounter, 5440 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5440 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:40,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5440 Valid, 4793 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:31:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2022-07-12 07:31:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 1543. [2022-07-12 07:31:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4332892998678997) internal successors, (2170), 1542 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2170 transitions. [2022-07-12 07:31:40,901 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2170 transitions. Word has length 109 [2022-07-12 07:31:40,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:40,901 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2170 transitions. [2022-07-12 07:31:40,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2170 transitions. [2022-07-12 07:31:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:40,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:40,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:40,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 07:31:40,903 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:40,904 INFO L85 PathProgramCache]: Analyzing trace with hash 70295, now seen corresponding path program 1 times [2022-07-12 07:31:40,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:40,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033760160] [2022-07-12 07:31:40,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:40,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:40,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033760160] [2022-07-12 07:31:40,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033760160] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:40,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:40,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:40,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965950916] [2022-07-12 07:31:40,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:40,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:40,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:40,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:40,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:40,984 INFO L87 Difference]: Start difference. First operand 1543 states and 2170 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:43,039 INFO L93 Difference]: Finished difference Result 2889 states and 4105 transitions. [2022-07-12 07:31:43,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:43,041 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:43,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:43,045 INFO L225 Difference]: With dead ends: 2889 [2022-07-12 07:31:43,045 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:31:43,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:43,046 INFO L413 NwaCegarLoop]: 1081 mSDtfsCounter, 5464 mSDsluCounter, 3511 mSDsCounter, 0 mSdLazyCounter, 3777 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5464 SdHoareTripleChecker+Valid, 4592 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 3777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:43,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5464 Valid, 4592 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 3777 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:31:43,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:31:43,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:31:43,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4326287978863936) internal successors, (2169), 1542 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:43,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2169 transitions. [2022-07-12 07:31:43,238 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2169 transitions. Word has length 109 [2022-07-12 07:31:43,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:43,238 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2169 transitions. [2022-07-12 07:31:43,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2169 transitions. [2022-07-12 07:31:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:43,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:43,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:43,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 07:31:43,241 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:43,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:43,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1297819743, now seen corresponding path program 1 times [2022-07-12 07:31:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:43,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603152150] [2022-07-12 07:31:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:43,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:43,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:43,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603152150] [2022-07-12 07:31:43,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603152150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:43,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:43,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:43,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492964755] [2022-07-12 07:31:43,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:43,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:43,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:43,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:43,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:43,338 INFO L87 Difference]: Start difference. First operand 1543 states and 2169 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:45,459 INFO L93 Difference]: Finished difference Result 2952 states and 4190 transitions. [2022-07-12 07:31:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:45,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:45,462 INFO L225 Difference]: With dead ends: 2952 [2022-07-12 07:31:45,462 INFO L226 Difference]: Without dead ends: 2722 [2022-07-12 07:31:45,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:45,463 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 5545 mSDsluCounter, 3677 mSDsCounter, 0 mSdLazyCounter, 3924 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5545 SdHoareTripleChecker+Valid, 4823 SdHoareTripleChecker+Invalid, 3977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 3924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:45,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5545 Valid, 4823 Invalid, 3977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 3924 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:31:45,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2022-07-12 07:31:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 1543. [2022-07-12 07:31:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4319682959048876) internal successors, (2168), 1542 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2168 transitions. [2022-07-12 07:31:45,620 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2168 transitions. Word has length 109 [2022-07-12 07:31:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:45,620 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2168 transitions. [2022-07-12 07:31:45,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2168 transitions. [2022-07-12 07:31:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:45,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:45,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:45,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 07:31:45,622 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:45,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:45,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1406819915, now seen corresponding path program 1 times [2022-07-12 07:31:45,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:45,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140834662] [2022-07-12 07:31:45,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:45,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:45,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:45,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140834662] [2022-07-12 07:31:45,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140834662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:45,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:45,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:45,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488072447] [2022-07-12 07:31:45,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:45,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:45,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:45,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:45,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:45,736 INFO L87 Difference]: Start difference. First operand 1543 states and 2168 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:47,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:47,791 INFO L93 Difference]: Finished difference Result 2937 states and 4174 transitions. [2022-07-12 07:31:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:47,792 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:47,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:47,795 INFO L225 Difference]: With dead ends: 2937 [2022-07-12 07:31:47,795 INFO L226 Difference]: Without dead ends: 2722 [2022-07-12 07:31:47,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:47,796 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 6181 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6181 SdHoareTripleChecker+Valid, 4842 SdHoareTripleChecker+Invalid, 3985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:47,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6181 Valid, 4842 Invalid, 3985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:31:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2022-07-12 07:31:47,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 1543. [2022-07-12 07:31:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4313077939233818) internal successors, (2167), 1542 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2167 transitions. [2022-07-12 07:31:47,970 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2167 transitions. Word has length 109 [2022-07-12 07:31:47,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:47,970 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2167 transitions. [2022-07-12 07:31:47,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2167 transitions. [2022-07-12 07:31:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 07:31:47,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:47,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:47,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 07:31:47,972 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:47,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:47,973 INFO L85 PathProgramCache]: Analyzing trace with hash -594655760, now seen corresponding path program 1 times [2022-07-12 07:31:47,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:47,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064636004] [2022-07-12 07:31:47,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:48,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:48,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064636004] [2022-07-12 07:31:48,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064636004] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:48,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:48,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 07:31:48,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098633476] [2022-07-12 07:31:48,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:48,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 07:31:48,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:48,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 07:31:48,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 07:31:48,056 INFO L87 Difference]: Start difference. First operand 1543 states and 2167 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:49,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:49,554 INFO L93 Difference]: Finished difference Result 2662 states and 3620 transitions. [2022-07-12 07:31:49,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 07:31:49,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 109 [2022-07-12 07:31:49,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:49,557 INFO L225 Difference]: With dead ends: 2662 [2022-07-12 07:31:49,557 INFO L226 Difference]: Without dead ends: 2002 [2022-07-12 07:31:49,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-12 07:31:49,558 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 7370 mSDsluCounter, 1442 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7370 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:49,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7370 Valid, 2093 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 07:31:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2022-07-12 07:31:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1543. [2022-07-12 07:31:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4306472919418758) internal successors, (2166), 1542 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2166 transitions. [2022-07-12 07:31:49,739 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2166 transitions. Word has length 109 [2022-07-12 07:31:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:49,740 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2166 transitions. [2022-07-12 07:31:49,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2166 transitions. [2022-07-12 07:31:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:31:49,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:49,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:49,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 07:31:49,742 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash 141096883, now seen corresponding path program 1 times [2022-07-12 07:31:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:49,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155038850] [2022-07-12 07:31:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:49,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:49,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:49,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155038850] [2022-07-12 07:31:49,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155038850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:49,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:49,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:49,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242846086] [2022-07-12 07:31:49,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:49,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:49,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:49,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:49,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:49,826 INFO L87 Difference]: Start difference. First operand 1543 states and 2166 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:51,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:51,948 INFO L93 Difference]: Finished difference Result 2889 states and 4100 transitions. [2022-07-12 07:31:51,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:51,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:31:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:51,951 INFO L225 Difference]: With dead ends: 2889 [2022-07-12 07:31:51,951 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:31:51,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:51,952 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 6637 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 4172 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6637 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 4287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 4172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:51,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6637 Valid, 5107 Invalid, 4287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 4172 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:31:51,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:31:52,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:31:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.42998678996037) internal successors, (2165), 1542 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2165 transitions. [2022-07-12 07:31:52,154 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2165 transitions. Word has length 111 [2022-07-12 07:31:52,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:52,154 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2165 transitions. [2022-07-12 07:31:52,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2165 transitions. [2022-07-12 07:31:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:31:52,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:52,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:52,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-12 07:31:52,156 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:52,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1756608252, now seen corresponding path program 1 times [2022-07-12 07:31:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:52,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255964452] [2022-07-12 07:31:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:52,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:52,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:52,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255964452] [2022-07-12 07:31:52,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255964452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:52,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:52,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475208381] [2022-07-12 07:31:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:52,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:52,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:52,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:52,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:52,280 INFO L87 Difference]: Start difference. First operand 1543 states and 2165 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:54,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:54,844 INFO L93 Difference]: Finished difference Result 2883 states and 4093 transitions. [2022-07-12 07:31:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:31:54,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:54,848 INFO L225 Difference]: With dead ends: 2883 [2022-07-12 07:31:54,848 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:31:54,849 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 [2022-07-12 07:31:54,849 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 6339 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 4799 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6339 SdHoareTripleChecker+Valid, 5940 SdHoareTripleChecker+Invalid, 4896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:54,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6339 Valid, 5940 Invalid, 4896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4799 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:31:54,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:31:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:31:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.429326287978864) internal successors, (2164), 1542 states have internal predecessors, (2164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2164 transitions. [2022-07-12 07:31:55,052 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2164 transitions. Word has length 111 [2022-07-12 07:31:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:55,052 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2164 transitions. [2022-07-12 07:31:55,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2164 transitions. [2022-07-12 07:31:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:31:55,054 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:55,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:55,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 07:31:55,054 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:55,055 INFO L85 PathProgramCache]: Analyzing trace with hash 818178437, now seen corresponding path program 1 times [2022-07-12 07:31:55,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:55,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076182564] [2022-07-12 07:31:55,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:55,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:55,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:55,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076182564] [2022-07-12 07:31:55,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076182564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:55,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:55,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501347114] [2022-07-12 07:31:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:55,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:55,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:55,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:55,179 INFO L87 Difference]: Start difference. First operand 1543 states and 2164 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:57,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:31:57,902 INFO L93 Difference]: Finished difference Result 2881 states and 4090 transitions. [2022-07-12 07:31:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:31:57,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:31:57,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:31:57,905 INFO L225 Difference]: With dead ends: 2881 [2022-07-12 07:31:57,905 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:31:57,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:31:57,906 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 6278 mSDsluCounter, 4931 mSDsCounter, 0 mSdLazyCounter, 4959 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6278 SdHoareTripleChecker+Valid, 6146 SdHoareTripleChecker+Invalid, 5054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 4959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:31:57,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6278 Valid, 6146 Invalid, 5054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 4959 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:31:57,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:31:58,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:31:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.428665785997358) internal successors, (2163), 1542 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:58,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2163 transitions. [2022-07-12 07:31:58,093 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2163 transitions. Word has length 111 [2022-07-12 07:31:58,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:31:58,093 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2163 transitions. [2022-07-12 07:31:58,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:31:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2163 transitions. [2022-07-12 07:31:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:31:58,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:31:58,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:31:58,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-12 07:31:58,095 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:31:58,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:31:58,095 INFO L85 PathProgramCache]: Analyzing trace with hash 265888723, now seen corresponding path program 1 times [2022-07-12 07:31:58,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:31:58,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499971955] [2022-07-12 07:31:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:31:58,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:31:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:31:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:31:58,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:31:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499971955] [2022-07-12 07:31:58,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499971955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:31:58,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:31:58,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:31:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610146166] [2022-07-12 07:31:58,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:31:58,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:31:58,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:31:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:31:58,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:31:58,204 INFO L87 Difference]: Start difference. First operand 1543 states and 2163 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:00,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:00,596 INFO L93 Difference]: Finished difference Result 2883 states and 4091 transitions. [2022-07-12 07:32:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:00,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:00,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:00,600 INFO L225 Difference]: With dead ends: 2883 [2022-07-12 07:32:00,600 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:00,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:00,601 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 4842 mSDsluCounter, 4004 mSDsCounter, 0 mSdLazyCounter, 4351 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4842 SdHoareTripleChecker+Valid, 5287 SdHoareTripleChecker+Invalid, 4435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 4351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:00,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4842 Valid, 5287 Invalid, 4435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 4351 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:32:00,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:00,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4280052840158521) internal successors, (2162), 1542 states have internal predecessors, (2162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2162 transitions. [2022-07-12 07:32:00,820 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2162 transitions. Word has length 111 [2022-07-12 07:32:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:00,820 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2162 transitions. [2022-07-12 07:32:00,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2162 transitions. [2022-07-12 07:32:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:00,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:00,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:00,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-12 07:32:00,822 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1099978144, now seen corresponding path program 1 times [2022-07-12 07:32:00,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:00,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494765963] [2022-07-12 07:32:00,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:00,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:00,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:00,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494765963] [2022-07-12 07:32:00,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494765963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:00,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:00,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325192342] [2022-07-12 07:32:00,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:00,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:00,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:00,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:00,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:00,900 INFO L87 Difference]: Start difference. First operand 1543 states and 2162 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:02,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:02,970 INFO L93 Difference]: Finished difference Result 3038 states and 4305 transitions. [2022-07-12 07:32:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:02,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:02,973 INFO L225 Difference]: With dead ends: 3038 [2022-07-12 07:32:02,973 INFO L226 Difference]: Without dead ends: 2754 [2022-07-12 07:32:02,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:02,975 INFO L413 NwaCegarLoop]: 1119 mSDtfsCounter, 6985 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6985 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:02,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6985 Valid, 4345 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:32:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2754 states. [2022-07-12 07:32:03,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 1543. [2022-07-12 07:32:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4273447820343461) internal successors, (2161), 1542 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2161 transitions. [2022-07-12 07:32:03,175 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2161 transitions. Word has length 111 [2022-07-12 07:32:03,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:03,175 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2161 transitions. [2022-07-12 07:32:03,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2161 transitions. [2022-07-12 07:32:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:03,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:03,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:03,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 07:32:03,177 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:03,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1272512024, now seen corresponding path program 1 times [2022-07-12 07:32:03,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:03,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580743696] [2022-07-12 07:32:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:03,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:03,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580743696] [2022-07-12 07:32:03,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580743696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:03,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:03,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:03,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553717202] [2022-07-12 07:32:03,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:03,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:03,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:03,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:03,273 INFO L87 Difference]: Start difference. First operand 1543 states and 2161 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:05,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:05,385 INFO L93 Difference]: Finished difference Result 2883 states and 4088 transitions. [2022-07-12 07:32:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:05,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:05,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:05,389 INFO L225 Difference]: With dead ends: 2883 [2022-07-12 07:32:05,389 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:05,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:05,390 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 4933 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 4193 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4933 SdHoareTripleChecker+Valid, 5131 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 4193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:05,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4933 Valid, 5131 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 4193 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:05,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.42668428005284) internal successors, (2160), 1542 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2160 transitions. [2022-07-12 07:32:05,585 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2160 transitions. Word has length 111 [2022-07-12 07:32:05,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:05,585 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2160 transitions. [2022-07-12 07:32:05,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2160 transitions. [2022-07-12 07:32:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:05,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:05,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:05,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-12 07:32:05,587 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:05,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1406535780, now seen corresponding path program 1 times [2022-07-12 07:32:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:05,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93297844] [2022-07-12 07:32:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:05,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:05,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:05,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93297844] [2022-07-12 07:32:05,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93297844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:05,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:05,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:05,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666026574] [2022-07-12 07:32:05,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:05,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:05,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:05,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:05,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:05,663 INFO L87 Difference]: Start difference. First operand 1543 states and 2160 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:07,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:07,964 INFO L93 Difference]: Finished difference Result 2889 states and 4093 transitions. [2022-07-12 07:32:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:07,964 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:07,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:07,967 INFO L225 Difference]: With dead ends: 2889 [2022-07-12 07:32:07,967 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:07,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:07,969 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 6613 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 4143 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6613 SdHoareTripleChecker+Valid, 5101 SdHoareTripleChecker+Invalid, 4258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 4143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:07,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6613 Valid, 5101 Invalid, 4258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 4143 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4260237780713343) internal successors, (2159), 1542 states have internal predecessors, (2159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2159 transitions. [2022-07-12 07:32:08,195 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2159 transitions. Word has length 111 [2022-07-12 07:32:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:08,195 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2159 transitions. [2022-07-12 07:32:08,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2159 transitions. [2022-07-12 07:32:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:08,197 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:08,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:08,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-12 07:32:08,197 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:08,198 INFO L85 PathProgramCache]: Analyzing trace with hash 573484172, now seen corresponding path program 1 times [2022-07-12 07:32:08,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:08,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649194706] [2022-07-12 07:32:08,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:08,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:08,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:08,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649194706] [2022-07-12 07:32:08,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649194706] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:08,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:08,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:08,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312861862] [2022-07-12 07:32:08,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:08,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:08,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:08,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:08,295 INFO L87 Difference]: Start difference. First operand 1543 states and 2159 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:10,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:10,910 INFO L93 Difference]: Finished difference Result 2908 states and 4118 transitions. [2022-07-12 07:32:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:10,910 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:10,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:10,913 INFO L225 Difference]: With dead ends: 2908 [2022-07-12 07:32:10,914 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:10,914 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 [2022-07-12 07:32:10,915 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 6320 mSDsluCounter, 4769 mSDsCounter, 0 mSdLazyCounter, 4758 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6320 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 4855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:10,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6320 Valid, 5937 Invalid, 4855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4758 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:32:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:11,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4247027741083222) internal successors, (2157), 1542 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2157 transitions. [2022-07-12 07:32:11,122 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2157 transitions. Word has length 111 [2022-07-12 07:32:11,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:11,123 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2157 transitions. [2022-07-12 07:32:11,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:11,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2157 transitions. [2022-07-12 07:32:11,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:11,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:11,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:11,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-12 07:32:11,125 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:11,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash -724405866, now seen corresponding path program 1 times [2022-07-12 07:32:11,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:11,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327500600] [2022-07-12 07:32:11,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:11,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:11,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:11,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327500600] [2022-07-12 07:32:11,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327500600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:11,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:11,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:11,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777656456] [2022-07-12 07:32:11,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:11,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:11,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:11,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:11,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:11,198 INFO L87 Difference]: Start difference. First operand 1543 states and 2157 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:13,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:13,435 INFO L93 Difference]: Finished difference Result 2986 states and 4222 transitions. [2022-07-12 07:32:13,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:13,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:13,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:13,438 INFO L225 Difference]: With dead ends: 2986 [2022-07-12 07:32:13,438 INFO L226 Difference]: Without dead ends: 2722 [2022-07-12 07:32:13,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:13,439 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 3347 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 4241 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 4274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 4241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:13,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 5360 Invalid, 4274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 4241 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2022-07-12 07:32:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 1543. [2022-07-12 07:32:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4233817701453104) internal successors, (2155), 1542 states have internal predecessors, (2155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2155 transitions. [2022-07-12 07:32:13,653 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2155 transitions. Word has length 111 [2022-07-12 07:32:13,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:13,653 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2155 transitions. [2022-07-12 07:32:13,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2155 transitions. [2022-07-12 07:32:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:13,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:13,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:13,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-12 07:32:13,656 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1814914143, now seen corresponding path program 1 times [2022-07-12 07:32:13,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:13,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109994115] [2022-07-12 07:32:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:13,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:13,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109994115] [2022-07-12 07:32:13,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109994115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:13,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:13,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:13,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082972809] [2022-07-12 07:32:13,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:13,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:13,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:13,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:13,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:13,771 INFO L87 Difference]: Start difference. First operand 1543 states and 2155 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:16,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:16,352 INFO L93 Difference]: Finished difference Result 2902 states and 4109 transitions. [2022-07-12 07:32:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:16,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:16,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:16,355 INFO L225 Difference]: With dead ends: 2902 [2022-07-12 07:32:16,355 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:16,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:16,356 INFO L413 NwaCegarLoop]: 1213 mSDtfsCounter, 6224 mSDsluCounter, 4907 mSDsCounter, 0 mSdLazyCounter, 4898 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6224 SdHoareTripleChecker+Valid, 6120 SdHoareTripleChecker+Invalid, 4994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 4898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:16,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6224 Valid, 6120 Invalid, 4994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 4898 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:32:16,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:16,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4220607661822986) internal successors, (2153), 1542 states have internal predecessors, (2153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2153 transitions. [2022-07-12 07:32:16,573 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2153 transitions. Word has length 111 [2022-07-12 07:32:16,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:16,574 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2153 transitions. [2022-07-12 07:32:16,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2153 transitions. [2022-07-12 07:32:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:16,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:16,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:16,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-12 07:32:16,576 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:16,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:16,576 INFO L85 PathProgramCache]: Analyzing trace with hash 198106909, now seen corresponding path program 1 times [2022-07-12 07:32:16,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:16,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216912624] [2022-07-12 07:32:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:16,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:16,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:16,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216912624] [2022-07-12 07:32:16,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216912624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:16,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:16,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:16,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116615593] [2022-07-12 07:32:16,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:16,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:16,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:16,651 INFO L87 Difference]: Start difference. First operand 1543 states and 2153 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:18,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:18,791 INFO L93 Difference]: Finished difference Result 2908 states and 4112 transitions. [2022-07-12 07:32:18,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:18,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:18,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:18,794 INFO L225 Difference]: With dead ends: 2908 [2022-07-12 07:32:18,794 INFO L226 Difference]: Without dead ends: 2698 [2022-07-12 07:32:18,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:18,795 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 5609 mSDsluCounter, 4006 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5609 SdHoareTripleChecker+Valid, 5287 SdHoareTripleChecker+Invalid, 4365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:18,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5609 Valid, 5287 Invalid, 4365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 4262 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:18,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-07-12 07:32:19,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1543. [2022-07-12 07:32:19,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4207397622192866) internal successors, (2151), 1542 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2151 transitions. [2022-07-12 07:32:19,016 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2151 transitions. Word has length 111 [2022-07-12 07:32:19,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:19,017 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2151 transitions. [2022-07-12 07:32:19,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 8 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2151 transitions. [2022-07-12 07:32:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-12 07:32:19,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:19,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:19,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-12 07:32:19,019 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:19,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:19,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1743106402, now seen corresponding path program 1 times [2022-07-12 07:32:19,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:19,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402526424] [2022-07-12 07:32:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:19,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:19,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:19,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402526424] [2022-07-12 07:32:19,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402526424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:19,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:19,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 07:32:19,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741634366] [2022-07-12 07:32:19,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:19,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 07:32:19,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:19,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 07:32:19,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-12 07:32:19,150 INFO L87 Difference]: Start difference. First operand 1543 states and 2151 transitions. Second operand has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:21,557 INFO L93 Difference]: Finished difference Result 2735 states and 3868 transitions. [2022-07-12 07:32:21,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 07:32:21,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-07-12 07:32:21,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:21,560 INFO L225 Difference]: With dead ends: 2735 [2022-07-12 07:32:21,560 INFO L226 Difference]: Without dead ends: 2085 [2022-07-12 07:32:21,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-07-12 07:32:21,561 INFO L413 NwaCegarLoop]: 969 mSDtfsCounter, 7106 mSDsluCounter, 3626 mSDsCounter, 0 mSdLazyCounter, 3717 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7106 SdHoareTripleChecker+Valid, 4595 SdHoareTripleChecker+Invalid, 3772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 3717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:21,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7106 Valid, 4595 Invalid, 3772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 3717 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2022-07-12 07:32:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 1543. [2022-07-12 07:32:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.4194187582562747) internal successors, (2149), 1542 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2149 transitions. [2022-07-12 07:32:21,827 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2149 transitions. Word has length 111 [2022-07-12 07:32:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:21,827 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2149 transitions. [2022-07-12 07:32:21,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2149 transitions. [2022-07-12 07:32:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:21,829 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:21,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:21,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-12 07:32:21,843 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:21,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1650709051, now seen corresponding path program 1 times [2022-07-12 07:32:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:21,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925427903] [2022-07-12 07:32:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:22,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:22,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925427903] [2022-07-12 07:32:22,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925427903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:22,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:22,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:32:22,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275619318] [2022-07-12 07:32:22,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:22,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:32:22,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:22,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:32:22,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:32:22,037 INFO L87 Difference]: Start difference. First operand 1543 states and 2149 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:26,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:26,538 INFO L93 Difference]: Finished difference Result 3800 states and 5418 transitions. [2022-07-12 07:32:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:32:26,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:26,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:26,544 INFO L225 Difference]: With dead ends: 3800 [2022-07-12 07:32:26,544 INFO L226 Difference]: Without dead ends: 3622 [2022-07-12 07:32:26,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:32:26,546 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 9251 mSDsluCounter, 5103 mSDsCounter, 0 mSdLazyCounter, 5357 mSolverCounterSat, 1009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9251 SdHoareTripleChecker+Valid, 6255 SdHoareTripleChecker+Invalid, 6366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1009 IncrementalHoareTripleChecker+Valid, 5357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:26,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9251 Valid, 6255 Invalid, 6366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1009 Valid, 5357 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:32:26,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3622 states. [2022-07-12 07:32:26,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3622 to 1547. [2022-07-12 07:32:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4183135704874836) internal successors, (2153), 1546 states have internal predecessors, (2153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:26,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2153 transitions. [2022-07-12 07:32:26,886 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2153 transitions. Word has length 113 [2022-07-12 07:32:26,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:26,886 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2153 transitions. [2022-07-12 07:32:26,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2153 transitions. [2022-07-12 07:32:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:26,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:26,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:26,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-12 07:32:26,888 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash -202027273, now seen corresponding path program 1 times [2022-07-12 07:32:26,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:26,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392646580] [2022-07-12 07:32:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:26,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:26,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392646580] [2022-07-12 07:32:26,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392646580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:26,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:26,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:26,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587813206] [2022-07-12 07:32:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:26,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:26,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:26,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:26,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:26,975 INFO L87 Difference]: Start difference. First operand 1547 states and 2153 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:29,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:29,266 INFO L93 Difference]: Finished difference Result 2824 states and 3976 transitions. [2022-07-12 07:32:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:29,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:29,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:29,269 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:32:29,269 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:29,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:29,270 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 5113 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 3900 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5113 SdHoareTripleChecker+Valid, 4631 SdHoareTripleChecker+Invalid, 4064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:29,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5113 Valid, 4631 Invalid, 4064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3900 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:29,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4176548089591567) internal successors, (2152), 1546 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:29,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2152 transitions. [2022-07-12 07:32:29,537 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2152 transitions. Word has length 113 [2022-07-12 07:32:29,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:29,537 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2152 transitions. [2022-07-12 07:32:29,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:29,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2152 transitions. [2022-07-12 07:32:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:29,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:29,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:29,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-12 07:32:29,539 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:29,539 INFO L85 PathProgramCache]: Analyzing trace with hash -540569381, now seen corresponding path program 1 times [2022-07-12 07:32:29,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:29,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279327682] [2022-07-12 07:32:29,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:29,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:29,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279327682] [2022-07-12 07:32:29,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279327682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:29,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:29,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:29,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536268319] [2022-07-12 07:32:29,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:29,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:29,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:29,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:29,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:29,625 INFO L87 Difference]: Start difference. First operand 1547 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:31,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:31,948 INFO L93 Difference]: Finished difference Result 2824 states and 3975 transitions. [2022-07-12 07:32:31,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:31,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:31,951 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:32:31,951 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:31,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:31,952 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 6860 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 3871 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6860 SdHoareTripleChecker+Valid, 4614 SdHoareTripleChecker+Invalid, 4091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 3871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:31,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6860 Valid, 4614 Invalid, 4091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 3871 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:32:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:32,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:32,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.41699604743083) internal successors, (2151), 1546 states have internal predecessors, (2151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2151 transitions. [2022-07-12 07:32:32,240 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2151 transitions. Word has length 113 [2022-07-12 07:32:32,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:32,240 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2151 transitions. [2022-07-12 07:32:32,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2151 transitions. [2022-07-12 07:32:32,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:32,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:32,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:32,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-12 07:32:32,242 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:32,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:32,242 INFO L85 PathProgramCache]: Analyzing trace with hash -552255394, now seen corresponding path program 1 times [2022-07-12 07:32:32,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:32,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405783211] [2022-07-12 07:32:32,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:32,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:32,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:32,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405783211] [2022-07-12 07:32:32,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405783211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:32,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:32,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:32,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650700490] [2022-07-12 07:32:32,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:32,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:32,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:32,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:32,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:32,338 INFO L87 Difference]: Start difference. First operand 1547 states and 2151 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:35,013 INFO L93 Difference]: Finished difference Result 2822 states and 3971 transitions. [2022-07-12 07:32:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:35,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:35,017 INFO L225 Difference]: With dead ends: 2822 [2022-07-12 07:32:35,017 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:35,017 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 [2022-07-12 07:32:35,018 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 6256 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 4601 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6256 SdHoareTripleChecker+Valid, 5641 SdHoareTripleChecker+Invalid, 4779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:35,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6256 Valid, 5641 Invalid, 4779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4601 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:32:35,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4163372859025032) internal successors, (2150), 1546 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2150 transitions. [2022-07-12 07:32:35,310 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2150 transitions. Word has length 113 [2022-07-12 07:32:35,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:35,310 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2150 transitions. [2022-07-12 07:32:35,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2150 transitions. [2022-07-12 07:32:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:35,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:35,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:35,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-12 07:32:35,312 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:35,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:35,312 INFO L85 PathProgramCache]: Analyzing trace with hash 626696900, now seen corresponding path program 1 times [2022-07-12 07:32:35,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:35,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705267392] [2022-07-12 07:32:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:35,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:35,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:35,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705267392] [2022-07-12 07:32:35,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705267392] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:35,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:35,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:35,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240737312] [2022-07-12 07:32:35,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:35,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:35,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:35,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:35,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:35,406 INFO L87 Difference]: Start difference. First operand 1547 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:37,747 INFO L93 Difference]: Finished difference Result 2822 states and 3970 transitions. [2022-07-12 07:32:37,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:37,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:37,751 INFO L225 Difference]: With dead ends: 2822 [2022-07-12 07:32:37,751 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:37,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:37,752 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 3401 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 4050 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 4157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:37,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3401 Valid, 4816 Invalid, 4157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4050 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:37,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4156785243741765) internal successors, (2149), 1546 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2149 transitions. [2022-07-12 07:32:38,057 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2149 transitions. Word has length 113 [2022-07-12 07:32:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:38,058 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2149 transitions. [2022-07-12 07:32:38,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:38,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2149 transitions. [2022-07-12 07:32:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:38,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:38,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:38,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-12 07:32:38,059 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:38,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1581029330, now seen corresponding path program 1 times [2022-07-12 07:32:38,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:38,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904872244] [2022-07-12 07:32:38,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:38,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:38,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:38,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904872244] [2022-07-12 07:32:38,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904872244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:38,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:38,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:38,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189608916] [2022-07-12 07:32:38,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:38,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:38,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:38,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:38,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:38,147 INFO L87 Difference]: Start difference. First operand 1547 states and 2149 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:40,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:40,483 INFO L93 Difference]: Finished difference Result 2824 states and 3970 transitions. [2022-07-12 07:32:40,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:40,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:40,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:40,490 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:32:40,490 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:40,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:40,491 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 6848 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 3849 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6848 SdHoareTripleChecker+Valid, 4614 SdHoareTripleChecker+Invalid, 4069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 3849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:40,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6848 Valid, 4614 Invalid, 4069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 3849 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:32:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4150197628458498) internal successors, (2148), 1546 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2148 transitions. [2022-07-12 07:32:40,782 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2148 transitions. Word has length 113 [2022-07-12 07:32:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:40,782 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2148 transitions. [2022-07-12 07:32:40,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2148 transitions. [2022-07-12 07:32:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:40,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:40,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:40,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-12 07:32:40,784 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash 154895254, now seen corresponding path program 1 times [2022-07-12 07:32:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:40,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313191226] [2022-07-12 07:32:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:40,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:40,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:40,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313191226] [2022-07-12 07:32:40,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313191226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:40,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:40,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:40,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120217405] [2022-07-12 07:32:40,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:40,870 INFO L87 Difference]: Start difference. First operand 1547 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:43,054 INFO L93 Difference]: Finished difference Result 2822 states and 3966 transitions. [2022-07-12 07:32:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:43,054 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:43,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:43,057 INFO L225 Difference]: With dead ends: 2822 [2022-07-12 07:32:43,057 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:43,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:43,058 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 6967 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6967 SdHoareTripleChecker+Valid, 4429 SdHoareTripleChecker+Invalid, 3900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:43,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6967 Valid, 4429 Invalid, 3900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [222 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 07:32:43,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.414361001317523) internal successors, (2147), 1546 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2147 transitions. [2022-07-12 07:32:43,361 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2147 transitions. Word has length 113 [2022-07-12 07:32:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:43,362 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2147 transitions. [2022-07-12 07:32:43,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2147 transitions. [2022-07-12 07:32:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:43,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:43,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:43,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-12 07:32:43,364 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:43,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1853918876, now seen corresponding path program 1 times [2022-07-12 07:32:43,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:43,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318445953] [2022-07-12 07:32:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:43,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:43,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:43,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318445953] [2022-07-12 07:32:43,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318445953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:43,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:43,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:43,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366714555] [2022-07-12 07:32:43,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:43,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:43,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:43,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:43,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:43,455 INFO L87 Difference]: Start difference. First operand 1547 states and 2147 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:46,243 INFO L93 Difference]: Finished difference Result 2828 states and 3971 transitions. [2022-07-12 07:32:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:46,243 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:46,246 INFO L225 Difference]: With dead ends: 2828 [2022-07-12 07:32:46,246 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:46,247 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 [2022-07-12 07:32:46,247 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 6355 mSDsluCounter, 4320 mSDsCounter, 0 mSdLazyCounter, 4393 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6355 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 4393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:46,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6355 Valid, 5370 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 4393 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:32:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:46,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:46,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4137022397891963) internal successors, (2146), 1546 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:46,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2146 transitions. [2022-07-12 07:32:46,552 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2146 transitions. Word has length 113 [2022-07-12 07:32:46,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:46,552 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2146 transitions. [2022-07-12 07:32:46,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2146 transitions. [2022-07-12 07:32:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:46,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:46,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:46,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-12 07:32:46,554 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:46,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:46,555 INFO L85 PathProgramCache]: Analyzing trace with hash -120006090, now seen corresponding path program 1 times [2022-07-12 07:32:46,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:46,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351474044] [2022-07-12 07:32:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:46,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:46,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351474044] [2022-07-12 07:32:46,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351474044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:46,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:46,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:46,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58024089] [2022-07-12 07:32:46,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:46,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:46,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:46,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:46,628 INFO L87 Difference]: Start difference. First operand 1547 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:48,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:48,954 INFO L93 Difference]: Finished difference Result 2906 states and 4084 transitions. [2022-07-12 07:32:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:48,954 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:48,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:48,957 INFO L225 Difference]: With dead ends: 2906 [2022-07-12 07:32:48,957 INFO L226 Difference]: Without dead ends: 2706 [2022-07-12 07:32:48,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:48,958 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 4808 mSDsluCounter, 3978 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4808 SdHoareTripleChecker+Valid, 5259 SdHoareTripleChecker+Invalid, 4287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:48,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4808 Valid, 5259 Invalid, 4287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:32:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2022-07-12 07:32:49,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 1547. [2022-07-12 07:32:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4130434782608696) internal successors, (2145), 1546 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2145 transitions. [2022-07-12 07:32:49,276 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2145 transitions. Word has length 113 [2022-07-12 07:32:49,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:49,277 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2145 transitions. [2022-07-12 07:32:49,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2145 transitions. [2022-07-12 07:32:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:49,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:49,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:49,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-12 07:32:49,280 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:49,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2072946245, now seen corresponding path program 1 times [2022-07-12 07:32:49,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:49,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305370680] [2022-07-12 07:32:49,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:49,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:49,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:49,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305370680] [2022-07-12 07:32:49,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305370680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:49,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:49,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173401206] [2022-07-12 07:32:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:49,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:49,364 INFO L87 Difference]: Start difference. First operand 1547 states and 2145 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:51,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:51,863 INFO L93 Difference]: Finished difference Result 2828 states and 3969 transitions. [2022-07-12 07:32:51,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:51,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:51,876 INFO L225 Difference]: With dead ends: 2828 [2022-07-12 07:32:51,876 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:51,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:51,877 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 6712 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 3890 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6712 SdHoareTripleChecker+Valid, 4708 SdHoareTripleChecker+Invalid, 4107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 3890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:51,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6712 Valid, 4708 Invalid, 4107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 3890 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4123847167325427) internal successors, (2144), 1546 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2144 transitions. [2022-07-12 07:32:52,232 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2144 transitions. Word has length 113 [2022-07-12 07:32:52,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:52,232 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2144 transitions. [2022-07-12 07:32:52,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2144 transitions. [2022-07-12 07:32:52,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:52,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:52,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:52,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-12 07:32:52,234 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:52,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:52,234 INFO L85 PathProgramCache]: Analyzing trace with hash 369909324, now seen corresponding path program 1 times [2022-07-12 07:32:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:52,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743748518] [2022-07-12 07:32:52,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:52,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:52,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743748518] [2022-07-12 07:32:52,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743748518] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:52,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:52,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:52,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061121778] [2022-07-12 07:32:52,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:52,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:52,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:52,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:52,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:52,353 INFO L87 Difference]: Start difference. First operand 1547 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:55,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:55,348 INFO L93 Difference]: Finished difference Result 2824 states and 3963 transitions. [2022-07-12 07:32:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:55,348 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:55,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:55,352 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:32:55,352 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:55,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:55,353 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 6198 mSDsluCounter, 4565 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6198 SdHoareTripleChecker+Valid, 5696 SdHoareTripleChecker+Invalid, 4792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:55,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6198 Valid, 5696 Invalid, 4792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:32:55,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.411725955204216) internal successors, (2143), 1546 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2143 transitions. [2022-07-12 07:32:55,693 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2143 transitions. Word has length 113 [2022-07-12 07:32:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:55,693 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2143 transitions. [2022-07-12 07:32:55,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2143 transitions. [2022-07-12 07:32:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:55,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:55,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:55,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-12 07:32:55,694 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:55,695 INFO L85 PathProgramCache]: Analyzing trace with hash 70860839, now seen corresponding path program 1 times [2022-07-12 07:32:55,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:55,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185271689] [2022-07-12 07:32:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:55,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:55,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185271689] [2022-07-12 07:32:55,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185271689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:55,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:55,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:55,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357165146] [2022-07-12 07:32:55,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:55,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:55,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:55,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:55,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:55,781 INFO L87 Difference]: Start difference. First operand 1547 states and 2143 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:32:58,192 INFO L93 Difference]: Finished difference Result 2824 states and 3962 transitions. [2022-07-12 07:32:58,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:32:58,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:32:58,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:32:58,195 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:32:58,195 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:32:58,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:32:58,196 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 3348 mSDsluCounter, 3711 mSDsCounter, 0 mSdLazyCounter, 4070 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 4902 SdHoareTripleChecker+Invalid, 4176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 4070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:32:58,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 4902 Invalid, 4176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 4070 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:32:58,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:32:58,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:32:58,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4110671936758894) internal successors, (2142), 1546 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2142 transitions. [2022-07-12 07:32:58,524 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2142 transitions. Word has length 113 [2022-07-12 07:32:58,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:32:58,524 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2142 transitions. [2022-07-12 07:32:58,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:32:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2142 transitions. [2022-07-12 07:32:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:32:58,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:32:58,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:32:58,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-12 07:32:58,526 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:32:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:32:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2033236148, now seen corresponding path program 1 times [2022-07-12 07:32:58,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:32:58,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727416556] [2022-07-12 07:32:58,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:32:58,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:32:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:32:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:32:58,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:32:58,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727416556] [2022-07-12 07:32:58,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727416556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:32:58,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:32:58,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:32:58,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606104994] [2022-07-12 07:32:58,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:32:58,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:32:58,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:32:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:32:58,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:32:58,601 INFO L87 Difference]: Start difference. First operand 1547 states and 2142 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:01,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:01,086 INFO L93 Difference]: Finished difference Result 2828 states and 3964 transitions. [2022-07-12 07:33:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:01,089 INFO L225 Difference]: With dead ends: 2828 [2022-07-12 07:33:01,089 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:01,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:01,090 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 5788 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 3868 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5788 SdHoareTripleChecker+Valid, 4708 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 3868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:01,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5788 Valid, 4708 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 3868 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:33:01,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:33:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4104084321475625) internal successors, (2141), 1546 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2141 transitions. [2022-07-12 07:33:01,441 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2141 transitions. Word has length 113 [2022-07-12 07:33:01,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:01,441 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2141 transitions. [2022-07-12 07:33:01,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2141 transitions. [2022-07-12 07:33:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:01,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:01,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:01,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-12 07:33:01,443 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:01,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:01,443 INFO L85 PathProgramCache]: Analyzing trace with hash 409402947, now seen corresponding path program 1 times [2022-07-12 07:33:01,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:01,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844212463] [2022-07-12 07:33:01,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:01,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:01,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844212463] [2022-07-12 07:33:01,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844212463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:01,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:01,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:01,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42026339] [2022-07-12 07:33:01,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:01,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:01,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:01,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:01,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:01,534 INFO L87 Difference]: Start difference. First operand 1547 states and 2141 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:04,191 INFO L93 Difference]: Finished difference Result 2824 states and 3958 transitions. [2022-07-12 07:33:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:04,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:04,194 INFO L225 Difference]: With dead ends: 2824 [2022-07-12 07:33:04,194 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:04,194 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 [2022-07-12 07:33:04,195 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 6283 mSDsluCounter, 4402 mSDsCounter, 0 mSdLazyCounter, 4414 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6283 SdHoareTripleChecker+Valid, 5478 SdHoareTripleChecker+Invalid, 4593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:04,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6283 Valid, 5478 Invalid, 4593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4414 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:04,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:33:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4097496706192358) internal successors, (2140), 1546 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2140 transitions. [2022-07-12 07:33:04,525 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2140 transitions. Word has length 113 [2022-07-12 07:33:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:04,525 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2140 transitions. [2022-07-12 07:33:04,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2140 transitions. [2022-07-12 07:33:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:04,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:04,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:04,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-12 07:33:04,527 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:04,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:04,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1288206653, now seen corresponding path program 1 times [2022-07-12 07:33:04,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:04,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395040497] [2022-07-12 07:33:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:04,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:04,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:04,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395040497] [2022-07-12 07:33:04,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395040497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:04,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:04,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:04,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460658060] [2022-07-12 07:33:04,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:04,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:04,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:04,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:04,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:04,611 INFO L87 Difference]: Start difference. First operand 1547 states and 2140 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:07,295 INFO L93 Difference]: Finished difference Result 2832 states and 3968 transitions. [2022-07-12 07:33:07,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:07,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:07,297 INFO L225 Difference]: With dead ends: 2832 [2022-07-12 07:33:07,298 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:07,298 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 [2022-07-12 07:33:07,298 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 6279 mSDsluCounter, 4403 mSDsCounter, 0 mSdLazyCounter, 4409 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 5479 SdHoareTripleChecker+Invalid, 4588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:07,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6279 Valid, 5479 Invalid, 4588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4409 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1547. [2022-07-12 07:33:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.4084321475625823) internal successors, (2138), 1546 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2138 transitions. [2022-07-12 07:33:07,650 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2138 transitions. Word has length 113 [2022-07-12 07:33:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:07,650 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2138 transitions. [2022-07-12 07:33:07,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2138 transitions. [2022-07-12 07:33:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:07,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:07,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:07,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-12 07:33:07,652 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash 563017332, now seen corresponding path program 1 times [2022-07-12 07:33:07,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:07,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652160352] [2022-07-12 07:33:07,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:07,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:07,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:07,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652160352] [2022-07-12 07:33:07,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652160352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:07,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:07,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:07,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504237963] [2022-07-12 07:33:07,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:07,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:07,793 INFO L87 Difference]: Start difference. First operand 1547 states and 2138 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:12,515 INFO L93 Difference]: Finished difference Result 3812 states and 5414 transitions. [2022-07-12 07:33:12,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:33:12,515 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:12,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:12,520 INFO L225 Difference]: With dead ends: 3812 [2022-07-12 07:33:12,521 INFO L226 Difference]: Without dead ends: 3628 [2022-07-12 07:33:12,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:33:12,522 INFO L413 NwaCegarLoop]: 1170 mSDtfsCounter, 10957 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10957 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:12,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10957 Valid, 5211 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 4310 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:33:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2022-07-12 07:33:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 1555. [2022-07-12 07:33:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1526 states have (on average 1.4062909567496724) internal successors, (2146), 1554 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2146 transitions. [2022-07-12 07:33:12,889 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2146 transitions. Word has length 113 [2022-07-12 07:33:12,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:12,889 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2146 transitions. [2022-07-12 07:33:12,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2146 transitions. [2022-07-12 07:33:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:12,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:12,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-12 07:33:12,891 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:12,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash 194915157, now seen corresponding path program 1 times [2022-07-12 07:33:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:12,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227974952] [2022-07-12 07:33:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:12,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:12,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227974952] [2022-07-12 07:33:12,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227974952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:12,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:12,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:12,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627777996] [2022-07-12 07:33:12,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:12,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:12,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:12,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:12,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:12,977 INFO L87 Difference]: Start difference. First operand 1555 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:15,986 INFO L93 Difference]: Finished difference Result 2834 states and 3965 transitions. [2022-07-12 07:33:15,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:15,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:15,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:15,988 INFO L225 Difference]: With dead ends: 2834 [2022-07-12 07:33:15,989 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:15,989 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 [2022-07-12 07:33:15,989 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 6293 mSDsluCounter, 4376 mSDsCounter, 0 mSdLazyCounter, 4372 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6293 SdHoareTripleChecker+Valid, 5444 SdHoareTripleChecker+Invalid, 4551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 4372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:15,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6293 Valid, 5444 Invalid, 4551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 4372 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:16,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1555. [2022-07-12 07:33:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1526 states have (on average 1.4049803407601573) internal successors, (2144), 1554 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:16,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2144 transitions. [2022-07-12 07:33:16,341 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2144 transitions. Word has length 113 [2022-07-12 07:33:16,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:16,342 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2144 transitions. [2022-07-12 07:33:16,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:16,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2144 transitions. [2022-07-12 07:33:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:16,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:16,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:16,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-12 07:33:16,343 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:16,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:16,343 INFO L85 PathProgramCache]: Analyzing trace with hash 603760385, now seen corresponding path program 1 times [2022-07-12 07:33:16,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:16,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407357730] [2022-07-12 07:33:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:16,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:16,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407357730] [2022-07-12 07:33:16,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407357730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:16,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:16,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:16,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931473520] [2022-07-12 07:33:16,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:16,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:16,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:16,432 INFO L87 Difference]: Start difference. First operand 1555 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:19,381 INFO L93 Difference]: Finished difference Result 2924 states and 4091 transitions. [2022-07-12 07:33:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:19,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:19,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:19,384 INFO L225 Difference]: With dead ends: 2924 [2022-07-12 07:33:19,384 INFO L226 Difference]: Without dead ends: 2714 [2022-07-12 07:33:19,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:19,385 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 3269 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 4148 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 5267 SdHoareTripleChecker+Invalid, 4205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:19,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 5267 Invalid, 4205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4148 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:33:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2714 states. [2022-07-12 07:33:19,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2714 to 1555. [2022-07-12 07:33:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1526 states have (on average 1.4036697247706422) internal successors, (2142), 1554 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2142 transitions. [2022-07-12 07:33:19,768 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2142 transitions. Word has length 113 [2022-07-12 07:33:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:19,769 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2142 transitions. [2022-07-12 07:33:19,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:19,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2142 transitions. [2022-07-12 07:33:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:19,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:19,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:19,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-12 07:33:19,770 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:19,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1648532600, now seen corresponding path program 1 times [2022-07-12 07:33:19,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:19,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496067335] [2022-07-12 07:33:19,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:19,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:19,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:19,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496067335] [2022-07-12 07:33:19,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496067335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:19,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:19,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:19,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608743847] [2022-07-12 07:33:19,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:19,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:19,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:19,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:19,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:19,863 INFO L87 Difference]: Start difference. First operand 1555 states and 2142 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:22,739 INFO L93 Difference]: Finished difference Result 2828 states and 3956 transitions. [2022-07-12 07:33:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:22,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:22,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:22,742 INFO L225 Difference]: With dead ends: 2828 [2022-07-12 07:33:22,742 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:22,743 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 [2022-07-12 07:33:22,743 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 6141 mSDsluCounter, 4614 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6141 SdHoareTripleChecker+Valid, 5761 SdHoareTripleChecker+Invalid, 4787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:22,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6141 Valid, 5761 Invalid, 4787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 4611 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1555. [2022-07-12 07:33:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1526 states have (on average 1.4023591087811271) internal successors, (2140), 1554 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2140 transitions. [2022-07-12 07:33:23,110 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2140 transitions. Word has length 113 [2022-07-12 07:33:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:23,110 INFO L495 AbstractCegarLoop]: Abstraction has 1555 states and 2140 transitions. [2022-07-12 07:33:23,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2140 transitions. [2022-07-12 07:33:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:23,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:23,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:23,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-07-12 07:33:23,112 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:23,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1587255138, now seen corresponding path program 1 times [2022-07-12 07:33:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:23,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108616719] [2022-07-12 07:33:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:23,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:23,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108616719] [2022-07-12 07:33:23,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108616719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:23,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:23,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:23,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363995616] [2022-07-12 07:33:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:23,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:23,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:23,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:23,254 INFO L87 Difference]: Start difference. First operand 1555 states and 2140 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:27,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:27,919 INFO L93 Difference]: Finished difference Result 3808 states and 5404 transitions. [2022-07-12 07:33:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:33:27,920 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:27,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:27,925 INFO L225 Difference]: With dead ends: 3808 [2022-07-12 07:33:27,925 INFO L226 Difference]: Without dead ends: 3626 [2022-07-12 07:33:27,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:33:27,926 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 10870 mSDsluCounter, 4081 mSDsCounter, 0 mSdLazyCounter, 4334 mSolverCounterSat, 1171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10870 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 5505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1171 IncrementalHoareTripleChecker+Valid, 4334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:27,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10870 Valid, 5264 Invalid, 5505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1171 Valid, 4334 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:33:27,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3626 states. [2022-07-12 07:33:28,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3626 to 1563. [2022-07-12 07:33:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1534 states have (on average 1.4002607561929596) internal successors, (2148), 1562 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2148 transitions. [2022-07-12 07:33:28,331 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2148 transitions. Word has length 113 [2022-07-12 07:33:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:28,331 INFO L495 AbstractCegarLoop]: Abstraction has 1563 states and 2148 transitions. [2022-07-12 07:33:28,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2148 transitions. [2022-07-12 07:33:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:28,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:28,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:28,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-07-12 07:33:28,332 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:28,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash 602727429, now seen corresponding path program 1 times [2022-07-12 07:33:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:28,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132015941] [2022-07-12 07:33:28,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:28,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:28,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132015941] [2022-07-12 07:33:28,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132015941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:28,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:28,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:28,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158996199] [2022-07-12 07:33:28,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:28,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:28,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:28,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:28,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:28,491 INFO L87 Difference]: Start difference. First operand 1563 states and 2148 transitions. Second operand has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:33,897 INFO L93 Difference]: Finished difference Result 3812 states and 5404 transitions. [2022-07-12 07:33:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:33:33,897 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:33,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:33,902 INFO L225 Difference]: With dead ends: 3812 [2022-07-12 07:33:33,902 INFO L226 Difference]: Without dead ends: 3628 [2022-07-12 07:33:33,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:33:33,903 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 9028 mSDsluCounter, 5202 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 995 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9028 SdHoareTripleChecker+Valid, 6383 SdHoareTripleChecker+Invalid, 6272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 995 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:33,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9028 Valid, 6383 Invalid, 6272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [995 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 07:33:33,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2022-07-12 07:33:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 1571. [2022-07-12 07:33:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.398184176394293) internal successors, (2156), 1570 states have internal predecessors, (2156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:34,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2156 transitions. [2022-07-12 07:33:34,300 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2156 transitions. Word has length 113 [2022-07-12 07:33:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:34,300 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2156 transitions. [2022-07-12 07:33:34,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.416666666666666) internal successors, (113), 11 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2156 transitions. [2022-07-12 07:33:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:34,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:34,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:34,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-07-12 07:33:34,302 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:34,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:34,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1248713030, now seen corresponding path program 1 times [2022-07-12 07:33:34,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:34,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672673639] [2022-07-12 07:33:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:34,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:34,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:34,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672673639] [2022-07-12 07:33:34,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672673639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:34,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:34,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:34,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801205368] [2022-07-12 07:33:34,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:34,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:34,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:34,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:34,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:34,387 INFO L87 Difference]: Start difference. First operand 1571 states and 2156 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:37,308 INFO L93 Difference]: Finished difference Result 2832 states and 3954 transitions. [2022-07-12 07:33:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:37,309 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:37,312 INFO L225 Difference]: With dead ends: 2832 [2022-07-12 07:33:37,312 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:37,312 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 [2022-07-12 07:33:37,312 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 6261 mSDsluCounter, 4412 mSDsCounter, 0 mSdLazyCounter, 4364 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6261 SdHoareTripleChecker+Valid, 5491 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:37,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6261 Valid, 5491 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4364 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:37,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:37,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1571. [2022-07-12 07:33:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.3968871595330739) internal successors, (2154), 1570 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2154 transitions. [2022-07-12 07:33:37,710 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2154 transitions. Word has length 113 [2022-07-12 07:33:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:37,710 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2154 transitions. [2022-07-12 07:33:37,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2154 transitions. [2022-07-12 07:33:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:37,711 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:37,712 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:37,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-07-12 07:33:37,712 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:37,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:37,712 INFO L85 PathProgramCache]: Analyzing trace with hash -911359351, now seen corresponding path program 1 times [2022-07-12 07:33:37,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:37,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379906010] [2022-07-12 07:33:37,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:37,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379906010] [2022-07-12 07:33:37,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379906010] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:37,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:37,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594109446] [2022-07-12 07:33:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:37,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:37,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:37,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:37,833 INFO L87 Difference]: Start difference. First operand 1571 states and 2154 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:41,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:41,021 INFO L93 Difference]: Finished difference Result 2838 states and 3959 transitions. [2022-07-12 07:33:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:41,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:41,024 INFO L225 Difference]: With dead ends: 2838 [2022-07-12 07:33:41,024 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:41,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:41,025 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 6262 mSDsluCounter, 4407 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6262 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:41,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6262 Valid, 5486 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4359 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:33:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1571. [2022-07-12 07:33:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.3955901426718547) internal successors, (2152), 1570 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2152 transitions. [2022-07-12 07:33:41,443 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2152 transitions. Word has length 113 [2022-07-12 07:33:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:41,443 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2152 transitions. [2022-07-12 07:33:41,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2152 transitions. [2022-07-12 07:33:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:41,444 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:41,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:41,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-07-12 07:33:41,445 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:41,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:41,445 INFO L85 PathProgramCache]: Analyzing trace with hash -926787844, now seen corresponding path program 1 times [2022-07-12 07:33:41,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:41,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662110127] [2022-07-12 07:33:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:41,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:41,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662110127] [2022-07-12 07:33:41,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662110127] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:41,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:41,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:41,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507848029] [2022-07-12 07:33:41,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:41,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:41,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:41,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:41,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:41,532 INFO L87 Difference]: Start difference. First operand 1571 states and 2152 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:44,550 INFO L93 Difference]: Finished difference Result 2838 states and 3957 transitions. [2022-07-12 07:33:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:44,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:44,553 INFO L225 Difference]: With dead ends: 2838 [2022-07-12 07:33:44,553 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:44,554 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 [2022-07-12 07:33:44,554 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 6258 mSDsluCounter, 4407 mSDsCounter, 0 mSdLazyCounter, 4355 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6258 SdHoareTripleChecker+Valid, 5486 SdHoareTripleChecker+Invalid, 4533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 4355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:44,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6258 Valid, 5486 Invalid, 4533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 4355 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:44,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1571. [2022-07-12 07:33:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.3942931258106355) internal successors, (2150), 1570 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2150 transitions. [2022-07-12 07:33:44,955 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2150 transitions. Word has length 113 [2022-07-12 07:33:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:44,955 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2150 transitions. [2022-07-12 07:33:44,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2150 transitions. [2022-07-12 07:33:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:44,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:44,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:44,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-07-12 07:33:44,956 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:44,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:44,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1394254486, now seen corresponding path program 1 times [2022-07-12 07:33:44,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:44,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816210502] [2022-07-12 07:33:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:45,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816210502] [2022-07-12 07:33:45,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816210502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:45,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:45,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836170358] [2022-07-12 07:33:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:45,045 INFO L87 Difference]: Start difference. First operand 1571 states and 2150 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:47,846 INFO L93 Difference]: Finished difference Result 2960 states and 4118 transitions. [2022-07-12 07:33:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:47,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:47,849 INFO L225 Difference]: With dead ends: 2960 [2022-07-12 07:33:47,849 INFO L226 Difference]: Without dead ends: 2738 [2022-07-12 07:33:47,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:47,850 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 3264 mSDsluCounter, 3978 mSDsCounter, 0 mSdLazyCounter, 4115 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3264 SdHoareTripleChecker+Valid, 5259 SdHoareTripleChecker+Invalid, 4172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 4115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:47,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3264 Valid, 5259 Invalid, 4172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 4115 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:33:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2738 states. [2022-07-12 07:33:48,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2738 to 1571. [2022-07-12 07:33:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.3929961089494163) internal successors, (2148), 1570 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2148 transitions. [2022-07-12 07:33:48,303 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2148 transitions. Word has length 113 [2022-07-12 07:33:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:48,303 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2148 transitions. [2022-07-12 07:33:48,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2148 transitions. [2022-07-12 07:33:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:48,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:48,305 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] [2022-07-12 07:33:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-07-12 07:33:48,305 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -558685669, now seen corresponding path program 1 times [2022-07-12 07:33:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:48,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131502771] [2022-07-12 07:33:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:48,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:48,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131502771] [2022-07-12 07:33:48,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131502771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:48,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:48,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:48,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130503201] [2022-07-12 07:33:48,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:48,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:48,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:48,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:48,396 INFO L87 Difference]: Start difference. First operand 1571 states and 2148 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:51,225 INFO L93 Difference]: Finished difference Result 2838 states and 3953 transitions. [2022-07-12 07:33:51,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:51,225 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:51,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:51,228 INFO L225 Difference]: With dead ends: 2838 [2022-07-12 07:33:51,228 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:51,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:51,229 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 6533 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 3864 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6533 SdHoareTripleChecker+Valid, 4824 SdHoareTripleChecker+Invalid, 4075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 3864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:51,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6533 Valid, 4824 Invalid, 4075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 3864 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:33:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1571. [2022-07-12 07:33:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.391699092088197) internal successors, (2146), 1570 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2146 transitions. [2022-07-12 07:33:51,629 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2146 transitions. Word has length 113 [2022-07-12 07:33:51,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:51,629 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2146 transitions. [2022-07-12 07:33:51,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2146 transitions. [2022-07-12 07:33:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 07:33:51,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:51,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:51,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-07-12 07:33:51,631 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:51,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:51,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1885537261, now seen corresponding path program 1 times [2022-07-12 07:33:51,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:51,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671905984] [2022-07-12 07:33:51,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:51,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:51,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:51,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671905984] [2022-07-12 07:33:51,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671905984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:51,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:51,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:51,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940240856] [2022-07-12 07:33:51,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:51,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:51,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:51,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:51,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:51,716 INFO L87 Difference]: Start difference. First operand 1571 states and 2146 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:54,798 INFO L93 Difference]: Finished difference Result 2832 states and 3942 transitions. [2022-07-12 07:33:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:54,798 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-12 07:33:54,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:54,801 INFO L225 Difference]: With dead ends: 2832 [2022-07-12 07:33:54,801 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:54,802 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 [2022-07-12 07:33:54,802 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 6198 mSDsluCounter, 4489 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6198 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 4579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:54,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6198 Valid, 5594 Invalid, 4579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:33:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:55,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1571. [2022-07-12 07:33:55,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1542 states have (on average 1.390402075226978) internal successors, (2144), 1570 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2144 transitions. [2022-07-12 07:33:55,219 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2144 transitions. Word has length 113 [2022-07-12 07:33:55,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:55,220 INFO L495 AbstractCegarLoop]: Abstraction has 1571 states and 2144 transitions. [2022-07-12 07:33:55,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 8 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2144 transitions. [2022-07-12 07:33:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:33:55,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:55,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-07-12 07:33:55,221 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 399712500, now seen corresponding path program 1 times [2022-07-12 07:33:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:55,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208715704] [2022-07-12 07:33:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:55,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:55,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208715704] [2022-07-12 07:33:55,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208715704] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:55,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:55,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:55,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731137821] [2022-07-12 07:33:55,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:55,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:55,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:55,296 INFO L87 Difference]: Start difference. First operand 1571 states and 2144 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:58,245 INFO L93 Difference]: Finished difference Result 2828 states and 3932 transitions. [2022-07-12 07:33:58,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:33:58,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:33:58,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:58,248 INFO L225 Difference]: With dead ends: 2828 [2022-07-12 07:33:58,248 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:33:58,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:33:58,249 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 3471 mSDsluCounter, 3620 mSDsCounter, 0 mSdLazyCounter, 3825 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 4801 SdHoareTripleChecker+Invalid, 3933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 3825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:58,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 4801 Invalid, 3933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 3825 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:33:58,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:33:58,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1567. [2022-07-12 07:33:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1538 states have (on average 1.3907672301690508) internal successors, (2139), 1566 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2139 transitions. [2022-07-12 07:33:58,672 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2139 transitions. Word has length 114 [2022-07-12 07:33:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:58,672 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2139 transitions. [2022-07-12 07:33:58,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2139 transitions. [2022-07-12 07:33:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:33:58,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:58,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:33:58,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-07-12 07:33:58,674 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:33:58,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:58,674 INFO L85 PathProgramCache]: Analyzing trace with hash 950824379, now seen corresponding path program 1 times [2022-07-12 07:33:58,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:58,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609431683] [2022-07-12 07:33:58,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:58,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:58,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:58,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609431683] [2022-07-12 07:33:58,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609431683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:58,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:58,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:33:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267355235] [2022-07-12 07:33:58,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:58,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:33:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:58,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:33:58,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:33:58,760 INFO L87 Difference]: Start difference. First operand 1567 states and 2139 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:02,046 INFO L93 Difference]: Finished difference Result 2822 states and 3926 transitions. [2022-07-12 07:34:02,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:02,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:34:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:02,049 INFO L225 Difference]: With dead ends: 2822 [2022-07-12 07:34:02,049 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:34:02,049 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 [2022-07-12 07:34:02,050 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 6228 mSDsluCounter, 4500 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6228 SdHoareTripleChecker+Valid, 5604 SdHoareTripleChecker+Invalid, 4582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:02,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6228 Valid, 5604 Invalid, 4582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:34:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:34:02,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1567. [2022-07-12 07:34:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1538 states have (on average 1.3901170351105332) internal successors, (2138), 1566 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2138 transitions. [2022-07-12 07:34:02,483 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2138 transitions. Word has length 114 [2022-07-12 07:34:02,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:02,483 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2138 transitions. [2022-07-12 07:34:02,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2138 transitions. [2022-07-12 07:34:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:34:02,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:02,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:02,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-07-12 07:34:02,485 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2051506923, now seen corresponding path program 1 times [2022-07-12 07:34:02,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:02,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133487395] [2022-07-12 07:34:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:02,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:02,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:02,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133487395] [2022-07-12 07:34:02,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133487395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:02,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:02,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:02,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019793573] [2022-07-12 07:34:02,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:02,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:02,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:02,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:02,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:02,574 INFO L87 Difference]: Start difference. First operand 1567 states and 2138 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:05,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:05,831 INFO L93 Difference]: Finished difference Result 2822 states and 3925 transitions. [2022-07-12 07:34:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:05,831 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:34:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:05,834 INFO L225 Difference]: With dead ends: 2822 [2022-07-12 07:34:05,834 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:34:05,835 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 [2022-07-12 07:34:05,835 INFO L413 NwaCegarLoop]: 1113 mSDtfsCounter, 6171 mSDsluCounter, 4514 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6171 SdHoareTripleChecker+Valid, 5627 SdHoareTripleChecker+Invalid, 4592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:05,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6171 Valid, 5627 Invalid, 4592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:34:05,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:34:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1567. [2022-07-12 07:34:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1538 states have (on average 1.3894668400520156) internal successors, (2137), 1566 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2137 transitions. [2022-07-12 07:34:06,277 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2137 transitions. Word has length 114 [2022-07-12 07:34:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:06,277 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2137 transitions. [2022-07-12 07:34:06,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2137 transitions. [2022-07-12 07:34:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:34:06,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:06,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:06,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-07-12 07:34:06,278 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:06,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:06,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1041006056, now seen corresponding path program 1 times [2022-07-12 07:34:06,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:06,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016396454] [2022-07-12 07:34:06,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:06,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:06,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:06,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016396454] [2022-07-12 07:34:06,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016396454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:06,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:06,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:06,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617221874] [2022-07-12 07:34:06,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:06,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:06,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:06,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:06,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:06,356 INFO L87 Difference]: Start difference. First operand 1567 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:09,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:09,438 INFO L93 Difference]: Finished difference Result 2834 states and 3938 transitions. [2022-07-12 07:34:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:09,438 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:34:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:09,441 INFO L225 Difference]: With dead ends: 2834 [2022-07-12 07:34:09,441 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:34:09,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:09,442 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 5597 mSDsluCounter, 3703 mSDsCounter, 0 mSdLazyCounter, 3889 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5597 SdHoareTripleChecker+Valid, 4892 SdHoareTripleChecker+Invalid, 4083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 3889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:09,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5597 Valid, 4892 Invalid, 4083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 3889 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:09,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:34:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1559. [2022-07-12 07:34:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1530 states have (on average 1.3901960784313725) internal successors, (2127), 1558 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2127 transitions. [2022-07-12 07:34:09,866 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2127 transitions. Word has length 114 [2022-07-12 07:34:09,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:09,866 INFO L495 AbstractCegarLoop]: Abstraction has 1559 states and 2127 transitions. [2022-07-12 07:34:09,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2127 transitions. [2022-07-12 07:34:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:34:09,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:09,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:09,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-07-12 07:34:09,868 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:09,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:09,868 INFO L85 PathProgramCache]: Analyzing trace with hash 313077114, now seen corresponding path program 1 times [2022-07-12 07:34:09,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:09,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715400672] [2022-07-12 07:34:09,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:09,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:09,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:09,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715400672] [2022-07-12 07:34:09,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715400672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:09,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:09,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:09,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954029170] [2022-07-12 07:34:09,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:09,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:09,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:09,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:09,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:09,941 INFO L87 Difference]: Start difference. First operand 1559 states and 2127 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:12,914 INFO L93 Difference]: Finished difference Result 2832 states and 3935 transitions. [2022-07-12 07:34:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:34:12,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:12,917 INFO L225 Difference]: With dead ends: 2832 [2022-07-12 07:34:12,917 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:34:12,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:12,918 INFO L413 NwaCegarLoop]: 1245 mSDtfsCounter, 4658 mSDsluCounter, 3875 mSDsCounter, 0 mSdLazyCounter, 4103 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4658 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 4260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:12,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4658 Valid, 5120 Invalid, 4260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4103 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:12,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:34:13,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1551. [2022-07-12 07:34:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1522 states have (on average 1.3909329829172141) internal successors, (2117), 1550 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 2117 transitions. [2022-07-12 07:34:13,354 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 2117 transitions. Word has length 114 [2022-07-12 07:34:13,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:13,354 INFO L495 AbstractCegarLoop]: Abstraction has 1551 states and 2117 transitions. [2022-07-12 07:34:13,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2117 transitions. [2022-07-12 07:34:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 07:34:13,355 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:13,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:13,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-07-12 07:34:13,356 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2022948015, now seen corresponding path program 1 times [2022-07-12 07:34:13,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:13,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909017318] [2022-07-12 07:34:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:13,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:13,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:13,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909017318] [2022-07-12 07:34:13,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909017318] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:13,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:13,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:13,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768107003] [2022-07-12 07:34:13,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:13,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:13,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:13,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:13,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:13,432 INFO L87 Difference]: Start difference. First operand 1551 states and 2117 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:16,191 INFO L93 Difference]: Finished difference Result 2834 states and 3934 transitions. [2022-07-12 07:34:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2022-07-12 07:34:16,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:16,194 INFO L225 Difference]: With dead ends: 2834 [2022-07-12 07:34:16,194 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 07:34:16,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:16,195 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 4631 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 4119 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4631 SdHoareTripleChecker+Valid, 5146 SdHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 4119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:16,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4631 Valid, 5146 Invalid, 4276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 4119 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:16,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 07:34:16,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1543. [2022-07-12 07:34:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.391677675033025) internal successors, (2107), 1542 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2107 transitions. [2022-07-12 07:34:16,634 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2107 transitions. Word has length 114 [2022-07-12 07:34:16,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:16,634 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2107 transitions. [2022-07-12 07:34:16,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2107 transitions. [2022-07-12 07:34:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:16,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:16,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:16,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-07-12 07:34:16,636 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash 468177209, now seen corresponding path program 1 times [2022-07-12 07:34:16,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:16,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697248924] [2022-07-12 07:34:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:16,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:16,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697248924] [2022-07-12 07:34:16,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697248924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:16,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:16,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715346148] [2022-07-12 07:34:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:16,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:16,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:16,715 INFO L87 Difference]: Start difference. First operand 1543 states and 2107 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:19,665 INFO L93 Difference]: Finished difference Result 2729 states and 3767 transitions. [2022-07-12 07:34:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:19,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:19,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:19,672 INFO L225 Difference]: With dead ends: 2729 [2022-07-12 07:34:19,672 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:19,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:34:19,672 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 6399 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 3642 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6399 SdHoareTripleChecker+Valid, 4268 SdHoareTripleChecker+Invalid, 4058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 3642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:19,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6399 Valid, 4268 Invalid, 4058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 3642 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1543. [2022-07-12 07:34:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.391017173051519) internal successors, (2106), 1542 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2106 transitions. [2022-07-12 07:34:20,103 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2106 transitions. Word has length 115 [2022-07-12 07:34:20,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:20,103 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2106 transitions. [2022-07-12 07:34:20,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:20,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2106 transitions. [2022-07-12 07:34:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:20,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:20,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:20,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-07-12 07:34:20,104 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash -795408913, now seen corresponding path program 1 times [2022-07-12 07:34:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:20,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187814348] [2022-07-12 07:34:20,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:20,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:20,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187814348] [2022-07-12 07:34:20,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187814348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:20,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:20,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:20,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558117613] [2022-07-12 07:34:20,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:20,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:20,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:20,199 INFO L87 Difference]: Start difference. First operand 1543 states and 2106 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:22,812 INFO L93 Difference]: Finished difference Result 2566 states and 3518 transitions. [2022-07-12 07:34:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:22,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:22,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:22,815 INFO L225 Difference]: With dead ends: 2566 [2022-07-12 07:34:22,815 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:22,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:22,818 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 4842 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 3810 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4842 SdHoareTripleChecker+Valid, 4456 SdHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 3810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4842 Valid, 4456 Invalid, 4120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 3810 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:34:22,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1543. [2022-07-12 07:34:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1543 states, 1514 states have (on average 1.3903566710700133) internal successors, (2105), 1542 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1543 states and 2105 transitions. [2022-07-12 07:34:23,281 INFO L78 Accepts]: Start accepts. Automaton has 1543 states and 2105 transitions. Word has length 115 [2022-07-12 07:34:23,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:23,281 INFO L495 AbstractCegarLoop]: Abstraction has 1543 states and 2105 transitions. [2022-07-12 07:34:23,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2105 transitions. [2022-07-12 07:34:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:23,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:23,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:23,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-07-12 07:34:23,283 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1116871285, now seen corresponding path program 1 times [2022-07-12 07:34:23,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:23,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186803469] [2022-07-12 07:34:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:23,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:23,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:23,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186803469] [2022-07-12 07:34:23,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186803469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:23,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:23,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:23,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917471450] [2022-07-12 07:34:23,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:23,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:23,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:23,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:23,410 INFO L87 Difference]: Start difference. First operand 1543 states and 2105 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:28,031 INFO L93 Difference]: Finished difference Result 3524 states and 4941 transitions. [2022-07-12 07:34:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:34:28,031 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:28,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:28,034 INFO L225 Difference]: With dead ends: 3524 [2022-07-12 07:34:28,034 INFO L226 Difference]: Without dead ends: 3356 [2022-07-12 07:34:28,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:34:28,035 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 8827 mSDsluCounter, 3498 mSDsCounter, 0 mSdLazyCounter, 3881 mSolverCounterSat, 1310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8827 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 5191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1310 IncrementalHoareTripleChecker+Valid, 3881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:28,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8827 Valid, 4551 Invalid, 5191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1310 Valid, 3881 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 07:34:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2022-07-12 07:34:28,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 1547. [2022-07-12 07:34:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.3893280632411067) internal successors, (2109), 1546 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2109 transitions. [2022-07-12 07:34:28,501 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2109 transitions. Word has length 115 [2022-07-12 07:34:28,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:28,501 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2109 transitions. [2022-07-12 07:34:28,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2109 transitions. [2022-07-12 07:34:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:28,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:28,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:28,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-07-12 07:34:28,503 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1229723649, now seen corresponding path program 1 times [2022-07-12 07:34:28,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:28,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309754530] [2022-07-12 07:34:28,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:28,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:28,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:28,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309754530] [2022-07-12 07:34:28,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309754530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:28,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:28,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:28,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800786124] [2022-07-12 07:34:28,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:28,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:28,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:28,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:28,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:28,590 INFO L87 Difference]: Start difference. First operand 1547 states and 2109 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:31,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:31,510 INFO L93 Difference]: Finished difference Result 2727 states and 3761 transitions. [2022-07-12 07:34:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:31,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:31,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:31,513 INFO L225 Difference]: With dead ends: 2727 [2022-07-12 07:34:31,513 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:31,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:34:31,514 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 6396 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6396 SdHoareTripleChecker+Valid, 4261 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:31,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6396 Valid, 4261 Invalid, 4041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 3625 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:31,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:32,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1547. [2022-07-12 07:34:32,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.38866930171278) internal successors, (2108), 1546 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2108 transitions. [2022-07-12 07:34:32,021 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2108 transitions. Word has length 115 [2022-07-12 07:34:32,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:32,021 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2108 transitions. [2022-07-12 07:34:32,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2108 transitions. [2022-07-12 07:34:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:32,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:32,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-07-12 07:34:32,023 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:32,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:32,023 INFO L85 PathProgramCache]: Analyzing trace with hash -2004216103, now seen corresponding path program 1 times [2022-07-12 07:34:32,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:32,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504581837] [2022-07-12 07:34:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:32,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:32,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504581837] [2022-07-12 07:34:32,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504581837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:32,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:32,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:32,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692396698] [2022-07-12 07:34:32,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:32,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:32,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:32,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:32,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:32,108 INFO L87 Difference]: Start difference. First operand 1547 states and 2108 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:34,916 INFO L93 Difference]: Finished difference Result 2729 states and 3762 transitions. [2022-07-12 07:34:34,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:34,916 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:34,919 INFO L225 Difference]: With dead ends: 2729 [2022-07-12 07:34:34,919 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:34,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:34,919 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 5047 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5047 SdHoareTripleChecker+Valid, 4253 SdHoareTripleChecker+Invalid, 3908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 313 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:34,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5047 Valid, 4253 Invalid, 3908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [313 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:34:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:35,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1547. [2022-07-12 07:34:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.3880105401844531) internal successors, (2107), 1546 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2107 transitions. [2022-07-12 07:34:35,423 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2107 transitions. Word has length 115 [2022-07-12 07:34:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:35,423 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2107 transitions. [2022-07-12 07:34:35,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2107 transitions. [2022-07-12 07:34:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:35,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:35,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:35,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-07-12 07:34:35,425 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:35,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:35,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1280877255, now seen corresponding path program 1 times [2022-07-12 07:34:35,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:35,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599922723] [2022-07-12 07:34:35,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:35,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:35,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:35,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599922723] [2022-07-12 07:34:35,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599922723] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:35,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:35,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:35,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101136724] [2022-07-12 07:34:35,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:35,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:35,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:35,516 INFO L87 Difference]: Start difference. First operand 1547 states and 2107 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:38,934 INFO L93 Difference]: Finished difference Result 2727 states and 3758 transitions. [2022-07-12 07:34:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:38,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:38,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:38,938 INFO L225 Difference]: With dead ends: 2727 [2022-07-12 07:34:38,938 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:38,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:34:38,939 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 6352 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 3612 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6352 SdHoareTripleChecker+Valid, 4309 SdHoareTripleChecker+Invalid, 4028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 3612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:38,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6352 Valid, 4309 Invalid, 4028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 3612 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1547. [2022-07-12 07:34:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.3873517786561265) internal successors, (2106), 1546 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2106 transitions. [2022-07-12 07:34:39,438 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2106 transitions. Word has length 115 [2022-07-12 07:34:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:39,438 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2106 transitions. [2022-07-12 07:34:39,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2106 transitions. [2022-07-12 07:34:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:39,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:39,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:39,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-07-12 07:34:39,440 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1026700327, now seen corresponding path program 1 times [2022-07-12 07:34:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:39,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929177618] [2022-07-12 07:34:39,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:39,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:39,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929177618] [2022-07-12 07:34:39,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929177618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:39,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:39,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:39,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253386813] [2022-07-12 07:34:39,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:39,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:39,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:39,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:39,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:39,542 INFO L87 Difference]: Start difference. First operand 1547 states and 2106 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:42,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:42,723 INFO L93 Difference]: Finished difference Result 2727 states and 3757 transitions. [2022-07-12 07:34:42,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:42,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-07-12 07:34:42,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:42,726 INFO L225 Difference]: With dead ends: 2727 [2022-07-12 07:34:42,726 INFO L226 Difference]: Without dead ends: 2561 [2022-07-12 07:34:42,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:42,727 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 5399 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 3786 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5399 SdHoareTripleChecker+Valid, 4499 SdHoareTripleChecker+Invalid, 4161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 3786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:42,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5399 Valid, 4499 Invalid, 4161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3786 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2022-07-12 07:34:43,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1547. [2022-07-12 07:34:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1547 states, 1518 states have (on average 1.3866930171277998) internal successors, (2105), 1546 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1547 states and 2105 transitions. [2022-07-12 07:34:43,229 INFO L78 Accepts]: Start accepts. Automaton has 1547 states and 2105 transitions. Word has length 115 [2022-07-12 07:34:43,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:43,229 INFO L495 AbstractCegarLoop]: Abstraction has 1547 states and 2105 transitions. [2022-07-12 07:34:43,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 8 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2105 transitions. [2022-07-12 07:34:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 07:34:43,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:43,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 07:34:43,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-07-12 07:34:43,231 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-07-12 07:34:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1274380161, now seen corresponding path program 1 times [2022-07-12 07:34:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:43,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860849570] [2022-07-12 07:34:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:43,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:43,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860849570] [2022-07-12 07:34:43,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860849570] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:43,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:43,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:43,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252976569] [2022-07-12 07:34:43,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:43,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:43,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:43,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:43,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:43,397 INFO L87 Difference]: Start difference. First operand 1547 states and 2105 transitions. Second operand has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)