/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 08:55:58,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 08:55:58,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 08:55:58,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 08:55:58,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 08:55:58,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 08:55:58,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 08:55:58,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 08:55:58,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 08:55:58,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 08:55:58,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 08:55:58,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 08:55:58,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 08:55:58,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 08:55:58,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 08:55:58,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 08:55:58,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 08:55:58,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 08:55:58,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 08:55:58,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 08:55:58,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 08:55:58,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 08:55:58,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 08:55:58,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 08:55:58,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 08:55:58,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 08:55:58,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 08:55:58,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 08:55:58,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 08:55:58,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 08:55:58,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 08:55:58,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 08:55:58,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 08:55:58,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 08:55:58,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 08:55:58,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 08:55:58,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 08:55:58,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 08:55:58,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 08:55:58,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 08:55:58,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 08:55:58,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 08:55:58,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 08:55:58,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 08:55:58,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 08:55:58,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 08:55:58,514 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 08:55:58,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 08:55:58,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 08:55:58,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 08:55:58,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 08:55:58,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 08:55:58,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 08:55:58,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 08:55:58,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 08:55:58,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 08:55:58,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 08:55:58,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 08:55:58,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 08:55:58,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 08:55:58,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 08:55:58,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 08:55:58,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 08:55:58,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 08:55:58,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 08:55:58,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 08:55:58,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 08:55:58,519 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 08:55:58,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 08:55:58,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 08:55:58,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 08:55:58,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 08:55:58,985 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 08:55:58,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2020-12-22 08:55:59,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9426e64d2/a9fabdd818fb48b19de335a42d33182e/FLAG3f6480cf2 [2020-12-22 08:56:00,134 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 08:56:00,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2020-12-22 08:56:00,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9426e64d2/a9fabdd818fb48b19de335a42d33182e/FLAG3f6480cf2 [2020-12-22 08:56:00,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9426e64d2/a9fabdd818fb48b19de335a42d33182e [2020-12-22 08:56:00,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 08:56:00,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 08:56:00,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 08:56:00,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 08:56:00,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 08:56:00,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:56:00" (1/1) ... [2020-12-22 08:56:00,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c512112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:00, skipping insertion in model container [2020-12-22 08:56:00,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:56:00" (1/1) ... [2020-12-22 08:56:00,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 08:56:00,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 08:56:01,461 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17200,17213] [2020-12-22 08:56:01,536 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22517,22530] [2020-12-22 08:56:01,563 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[23874,23887] [2020-12-22 08:56:01,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24682,24695] [2020-12-22 08:56:01,585 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26410,26423] [2020-12-22 08:56:01,593 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27218,27231] [2020-12-22 08:56:01,603 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28397,28410] [2020-12-22 08:56:01,623 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31137,31150] [2020-12-22 08:56:01,631 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31948,31961] [2020-12-22 08:56:01,645 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33130,33143] [2020-12-22 08:56:01,676 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35321,35334] [2020-12-22 08:56:01,733 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39581,39594] [2020-12-22 08:56:01,741 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40392,40405] [2020-12-22 08:56:01,751 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41574,41587] [2020-12-22 08:56:01,768 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[43765,43778] [2020-12-22 08:56:01,794 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47476,47489] [2020-12-22 08:56:01,837 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54223,54236] [2020-12-22 08:56:01,845 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55034,55047] [2020-12-22 08:56:01,854 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56177,56190] [2020-12-22 08:56:01,870 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58329,58342] [2020-12-22 08:56:01,898 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62246,62259] [2020-12-22 08:56:01,948 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69195,69208] [2020-12-22 08:56:02,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[81931,81944] [2020-12-22 08:56:02,048 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82742,82755] [2020-12-22 08:56:02,059 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83924,83937] [2020-12-22 08:56:02,079 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86115,86128] [2020-12-22 08:56:02,117 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[89826,89839] [2020-12-22 08:56:02,160 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96024,96037] [2020-12-22 08:56:02,222 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106615,106628] [2020-12-22 08:56:03,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 08:56:03,146 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 08:56:03,273 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[17200,17213] [2020-12-22 08:56:03,293 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[22517,22530] [2020-12-22 08:56:03,301 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[23874,23887] [2020-12-22 08:56:03,307 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[24682,24695] [2020-12-22 08:56:03,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[26410,26423] [2020-12-22 08:56:03,322 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[27218,27231] [2020-12-22 08:56:03,329 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[28397,28410] [2020-12-22 08:56:03,343 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31137,31150] [2020-12-22 08:56:03,350 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[31948,31961] [2020-12-22 08:56:03,360 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[33130,33143] [2020-12-22 08:56:03,372 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[35321,35334] [2020-12-22 08:56:03,393 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[39581,39594] [2020-12-22 08:56:03,399 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[40392,40405] [2020-12-22 08:56:03,408 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[41574,41587] [2020-12-22 08:56:03,422 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[43765,43778] [2020-12-22 08:56:03,442 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[47476,47489] [2020-12-22 08:56:03,473 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[54223,54236] [2020-12-22 08:56:03,479 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[55034,55047] [2020-12-22 08:56:03,488 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[56177,56190] [2020-12-22 08:56:03,499 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[58329,58342] [2020-12-22 08:56:03,519 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[62246,62259] [2020-12-22 08:56:03,554 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[69195,69208] [2020-12-22 08:56:03,610 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[81931,81944] [2020-12-22 08:56:03,616 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[82742,82755] [2020-12-22 08:56:03,624 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[83924,83937] [2020-12-22 08:56:03,637 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[86115,86128] [2020-12-22 08:56:03,654 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[89826,89839] [2020-12-22 08:56:03,681 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[96024,96037] [2020-12-22 08:56:03,720 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c[106615,106628] [2020-12-22 08:56:04,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 08:56:04,546 INFO L208 MainTranslator]: Completed translation [2020-12-22 08:56:04,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04 WrapperNode [2020-12-22 08:56:04,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 08:56:04,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 08:56:04,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 08:56:04,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 08:56:04,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:04,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:04,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 08:56:04,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 08:56:04,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 08:56:04,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 08:56:04,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:04,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:04,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:04,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:05,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:05,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:05,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... [2020-12-22 08:56:05,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 08:56:05,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 08:56:05,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 08:56:05,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 08:56:05,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 08:56:05,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 08:56:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 08:56:05,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 08:56:05,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 08:56:12,433 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 08:56:12,434 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 08:56:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:56:12 BoogieIcfgContainer [2020-12-22 08:56:12,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 08:56:12,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 08:56:12,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 08:56:12,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 08:56:12,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:56:00" (1/3) ... [2020-12-22 08:56:12,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bb6641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:56:12, skipping insertion in model container [2020-12-22 08:56:12,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:56:04" (2/3) ... [2020-12-22 08:56:12,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bb6641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:56:12, skipping insertion in model container [2020-12-22 08:56:12,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:56:12" (3/3) ... [2020-12-22 08:56:12,449 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.BOUNDED-14.pals.c.v+lhb-reducer.c [2020-12-22 08:56:12,456 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 08:56:12,463 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2020-12-22 08:56:12,485 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-12-22 08:56:12,524 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 08:56:12,524 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 08:56:12,524 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 08:56:12,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 08:56:12,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 08:56:12,525 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 08:56:12,525 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 08:56:12,525 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 08:56:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states. [2020-12-22 08:56:12,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-22 08:56:12,614 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:12,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:12,617 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1477171740, now seen corresponding path program 1 times [2020-12-22 08:56:12,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:12,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343947363] [2020-12-22 08:56:12,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:13,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343947363] [2020-12-22 08:56:13,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:13,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 08:56:13,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090452073] [2020-12-22 08:56:13,362 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 08:56:13,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:13,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 08:56:13,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:56:13,380 INFO L87 Difference]: Start difference. First operand 2082 states. Second operand 5 states. [2020-12-22 08:56:15,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:15,543 INFO L93 Difference]: Finished difference Result 3095 states and 5492 transitions. [2020-12-22 08:56:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:15,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-12-22 08:56:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:15,574 INFO L225 Difference]: With dead ends: 3095 [2020-12-22 08:56:15,574 INFO L226 Difference]: Without dead ends: 1663 [2020-12-22 08:56:15,584 INFO L677 BasicCegarLoop]: 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 [2020-12-22 08:56:15,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-12-22 08:56:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2020-12-22 08:56:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states. [2020-12-22 08:56:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2137 transitions. [2020-12-22 08:56:15,745 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2137 transitions. Word has length 101 [2020-12-22 08:56:15,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:15,746 INFO L481 AbstractCegarLoop]: Abstraction has 1663 states and 2137 transitions. [2020-12-22 08:56:15,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 08:56:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2137 transitions. [2020-12-22 08:56:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-22 08:56:15,754 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:15,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:15,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 08:56:15,755 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1702810477, now seen corresponding path program 1 times [2020-12-22 08:56:15,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:15,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142655360] [2020-12-22 08:56:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:16,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142655360] [2020-12-22 08:56:16,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:16,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:56:16,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966631321] [2020-12-22 08:56:16,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 08:56:16,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:16,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 08:56:16,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 08:56:16,057 INFO L87 Difference]: Start difference. First operand 1663 states and 2137 transitions. Second operand 6 states. [2020-12-22 08:56:17,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:17,918 INFO L93 Difference]: Finished difference Result 3251 states and 4359 transitions. [2020-12-22 08:56:17,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:17,918 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-12-22 08:56:17,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:17,928 INFO L225 Difference]: With dead ends: 3251 [2020-12-22 08:56:17,929 INFO L226 Difference]: Without dead ends: 1946 [2020-12-22 08:56:17,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-22 08:56:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1946 states. [2020-12-22 08:56:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1946 to 1844. [2020-12-22 08:56:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1844 states. [2020-12-22 08:56:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2527 transitions. [2020-12-22 08:56:18,012 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2527 transitions. Word has length 102 [2020-12-22 08:56:18,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:18,013 INFO L481 AbstractCegarLoop]: Abstraction has 1844 states and 2527 transitions. [2020-12-22 08:56:18,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 08:56:18,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2527 transitions. [2020-12-22 08:56:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-22 08:56:18,018 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:18,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:18,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 08:56:18,019 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:18,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:18,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2004075868, now seen corresponding path program 1 times [2020-12-22 08:56:18,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:18,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165002747] [2020-12-22 08:56:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:18,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165002747] [2020-12-22 08:56:18,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:18,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:56:18,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106392404] [2020-12-22 08:56:18,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 08:56:18,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 08:56:18,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 08:56:18,187 INFO L87 Difference]: Start difference. First operand 1844 states and 2527 transitions. Second operand 6 states. [2020-12-22 08:56:19,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:19,820 INFO L93 Difference]: Finished difference Result 4104 states and 5736 transitions. [2020-12-22 08:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:19,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-12-22 08:56:19,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:19,835 INFO L225 Difference]: With dead ends: 4104 [2020-12-22 08:56:19,835 INFO L226 Difference]: Without dead ends: 2490 [2020-12-22 08:56:19,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-22 08:56:19,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2020-12-22 08:56:19,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2388. [2020-12-22 08:56:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2020-12-22 08:56:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3369 transitions. [2020-12-22 08:56:19,964 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3369 transitions. Word has length 103 [2020-12-22 08:56:19,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:19,967 INFO L481 AbstractCegarLoop]: Abstraction has 2388 states and 3369 transitions. [2020-12-22 08:56:19,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 08:56:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3369 transitions. [2020-12-22 08:56:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-22 08:56:19,979 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:19,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:19,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 08:56:19,980 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1067440607, now seen corresponding path program 1 times [2020-12-22 08:56:19,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:19,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220536016] [2020-12-22 08:56:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:20,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220536016] [2020-12-22 08:56:20,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:20,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:56:20,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142752761] [2020-12-22 08:56:20,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 08:56:20,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:20,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 08:56:20,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 08:56:20,207 INFO L87 Difference]: Start difference. First operand 2388 states and 3369 transitions. Second operand 6 states. [2020-12-22 08:56:21,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:21,784 INFO L93 Difference]: Finished difference Result 5777 states and 8254 transitions. [2020-12-22 08:56:21,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:21,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-12-22 08:56:21,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:21,803 INFO L225 Difference]: With dead ends: 5777 [2020-12-22 08:56:21,804 INFO L226 Difference]: Without dead ends: 3543 [2020-12-22 08:56:21,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-22 08:56:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3543 states. [2020-12-22 08:56:21,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3543 to 3441. [2020-12-22 08:56:21,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3441 states. [2020-12-22 08:56:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 4959 transitions. [2020-12-22 08:56:21,971 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 4959 transitions. Word has length 104 [2020-12-22 08:56:21,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:21,972 INFO L481 AbstractCegarLoop]: Abstraction has 3441 states and 4959 transitions. [2020-12-22 08:56:21,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 08:56:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 4959 transitions. [2020-12-22 08:56:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-22 08:56:21,979 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:21,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:21,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 08:56:21,980 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:21,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:21,980 INFO L82 PathProgramCache]: Analyzing trace with hash 761156145, now seen corresponding path program 1 times [2020-12-22 08:56:21,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:21,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076123767] [2020-12-22 08:56:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:22,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076123767] [2020-12-22 08:56:22,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:22,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:56:22,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725717477] [2020-12-22 08:56:22,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 08:56:22,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 08:56:22,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-22 08:56:22,220 INFO L87 Difference]: Start difference. First operand 3441 states and 4959 transitions. Second operand 6 states. [2020-12-22 08:56:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:23,872 INFO L93 Difference]: Finished difference Result 7952 states and 11341 transitions. [2020-12-22 08:56:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:23,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2020-12-22 08:56:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:23,895 INFO L225 Difference]: With dead ends: 7952 [2020-12-22 08:56:23,896 INFO L226 Difference]: Without dead ends: 4645 [2020-12-22 08:56:23,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-22 08:56:23,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4645 states. [2020-12-22 08:56:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4645 to 4545. [2020-12-22 08:56:24,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4545 states. [2020-12-22 08:56:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 6433 transitions. [2020-12-22 08:56:24,215 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 6433 transitions. Word has length 105 [2020-12-22 08:56:24,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:24,216 INFO L481 AbstractCegarLoop]: Abstraction has 4545 states and 6433 transitions. [2020-12-22 08:56:24,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 08:56:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 6433 transitions. [2020-12-22 08:56:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-22 08:56:24,226 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:24,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:24,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 08:56:24,227 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:24,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:24,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1812176416, now seen corresponding path program 1 times [2020-12-22 08:56:24,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:24,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565301793] [2020-12-22 08:56:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:24,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565301793] [2020-12-22 08:56:24,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:24,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 08:56:24,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3389977] [2020-12-22 08:56:24,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 08:56:24,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:24,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 08:56:24,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:56:24,386 INFO L87 Difference]: Start difference. First operand 4545 states and 6433 transitions. Second operand 5 states. [2020-12-22 08:56:25,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:25,829 INFO L93 Difference]: Finished difference Result 8956 states and 12729 transitions. [2020-12-22 08:56:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:25,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-12-22 08:56:25,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:25,852 INFO L225 Difference]: With dead ends: 8956 [2020-12-22 08:56:25,853 INFO L226 Difference]: Without dead ends: 4511 [2020-12-22 08:56:25,860 INFO L677 BasicCegarLoop]: 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 [2020-12-22 08:56:25,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4511 states. [2020-12-22 08:56:26,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4511 to 4511. [2020-12-22 08:56:26,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4511 states. [2020-12-22 08:56:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 6381 transitions. [2020-12-22 08:56:26,112 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 6381 transitions. Word has length 106 [2020-12-22 08:56:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:26,112 INFO L481 AbstractCegarLoop]: Abstraction has 4511 states and 6381 transitions. [2020-12-22 08:56:26,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 08:56:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 6381 transitions. [2020-12-22 08:56:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-22 08:56:26,119 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:26,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:26,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 08:56:26,119 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:26,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:26,120 INFO L82 PathProgramCache]: Analyzing trace with hash 329169052, now seen corresponding path program 1 times [2020-12-22 08:56:26,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:26,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857336135] [2020-12-22 08:56:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:26,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857336135] [2020-12-22 08:56:26,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:26,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 08:56:26,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445788099] [2020-12-22 08:56:26,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 08:56:26,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:26,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 08:56:26,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:56:26,317 INFO L87 Difference]: Start difference. First operand 4511 states and 6381 transitions. Second operand 5 states. [2020-12-22 08:56:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:27,559 INFO L93 Difference]: Finished difference Result 8922 states and 12661 transitions. [2020-12-22 08:56:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 08:56:27,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-12-22 08:56:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:27,581 INFO L225 Difference]: With dead ends: 8922 [2020-12-22 08:56:27,581 INFO L226 Difference]: Without dead ends: 4491 [2020-12-22 08:56:27,588 INFO L677 BasicCegarLoop]: 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 [2020-12-22 08:56:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2020-12-22 08:56:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4491. [2020-12-22 08:56:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4491 states. [2020-12-22 08:56:27,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 6344 transitions. [2020-12-22 08:56:27,849 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 6344 transitions. Word has length 107 [2020-12-22 08:56:27,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:27,849 INFO L481 AbstractCegarLoop]: Abstraction has 4491 states and 6344 transitions. [2020-12-22 08:56:27,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 08:56:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 6344 transitions. [2020-12-22 08:56:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 08:56:27,855 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:27,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:27,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 08:56:27,856 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:27,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:27,857 INFO L82 PathProgramCache]: Analyzing trace with hash 65664385, now seen corresponding path program 1 times [2020-12-22 08:56:27,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:27,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702822198] [2020-12-22 08:56:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:28,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702822198] [2020-12-22 08:56:28,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:28,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 08:56:28,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884913450] [2020-12-22 08:56:28,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 08:56:28,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:28,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 08:56:28,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 08:56:28,110 INFO L87 Difference]: Start difference. First operand 4491 states and 6344 transitions. Second operand 8 states. [2020-12-22 08:56:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:30,407 INFO L93 Difference]: Finished difference Result 6665 states and 9461 transitions. [2020-12-22 08:56:30,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 08:56:30,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-12-22 08:56:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:30,448 INFO L225 Difference]: With dead ends: 6665 [2020-12-22 08:56:30,448 INFO L226 Difference]: Without dead ends: 4271 [2020-12-22 08:56:30,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-12-22 08:56:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2020-12-22 08:56:30,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 3511. [2020-12-22 08:56:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2020-12-22 08:56:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4956 transitions. [2020-12-22 08:56:30,730 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4956 transitions. Word has length 108 [2020-12-22 08:56:30,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:30,731 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4956 transitions. [2020-12-22 08:56:30,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 08:56:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4956 transitions. [2020-12-22 08:56:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 08:56:30,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:30,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:30,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 08:56:30,741 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:30,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:30,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1618229889, now seen corresponding path program 1 times [2020-12-22 08:56:30,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:30,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125608777] [2020-12-22 08:56:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:31,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125608777] [2020-12-22 08:56:31,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:31,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:56:31,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995356831] [2020-12-22 08:56:31,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:56:31,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:56:31,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:56:31,086 INFO L87 Difference]: Start difference. First operand 3511 states and 4956 transitions. Second operand 9 states. [2020-12-22 08:56:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:35,225 INFO L93 Difference]: Finished difference Result 10251 states and 14831 transitions. [2020-12-22 08:56:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:56:35,225 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-12-22 08:56:35,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:35,245 INFO L225 Difference]: With dead ends: 10251 [2020-12-22 08:56:35,245 INFO L226 Difference]: Without dead ends: 8698 [2020-12-22 08:56:35,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:56:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8698 states. [2020-12-22 08:56:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8698 to 3511. [2020-12-22 08:56:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2020-12-22 08:56:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4955 transitions. [2020-12-22 08:56:35,601 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4955 transitions. Word has length 108 [2020-12-22 08:56:35,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:35,602 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4955 transitions. [2020-12-22 08:56:35,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:56:35,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4955 transitions. [2020-12-22 08:56:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-22 08:56:35,607 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:35,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:35,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 08:56:35,607 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:35,608 INFO L82 PathProgramCache]: Analyzing trace with hash 180174419, now seen corresponding path program 1 times [2020-12-22 08:56:35,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:35,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846131052] [2020-12-22 08:56:35,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:35,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846131052] [2020-12-22 08:56:35,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:35,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:56:35,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216965926] [2020-12-22 08:56:35,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:56:35,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:35,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:56:35,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:56:35,841 INFO L87 Difference]: Start difference. First operand 3511 states and 4955 transitions. Second operand 9 states. [2020-12-22 08:56:39,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:39,243 INFO L93 Difference]: Finished difference Result 7386 states and 10678 transitions. [2020-12-22 08:56:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:56:39,243 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-12-22 08:56:39,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:39,256 INFO L225 Difference]: With dead ends: 7386 [2020-12-22 08:56:39,256 INFO L226 Difference]: Without dead ends: 5511 [2020-12-22 08:56:39,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:56:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2020-12-22 08:56:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 3511. [2020-12-22 08:56:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2020-12-22 08:56:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4954 transitions. [2020-12-22 08:56:39,616 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4954 transitions. Word has length 108 [2020-12-22 08:56:39,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:39,616 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4954 transitions. [2020-12-22 08:56:39,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:56:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4954 transitions. [2020-12-22 08:56:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:56:39,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:39,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:39,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 08:56:39,623 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:39,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:39,623 INFO L82 PathProgramCache]: Analyzing trace with hash -860352434, now seen corresponding path program 1 times [2020-12-22 08:56:39,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:39,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424413865] [2020-12-22 08:56:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:39,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424413865] [2020-12-22 08:56:39,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:39,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:56:39,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278398508] [2020-12-22 08:56:39,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:56:39,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:39,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:56:39,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:56:39,900 INFO L87 Difference]: Start difference. First operand 3511 states and 4954 transitions. Second operand 9 states. [2020-12-22 08:56:44,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:44,770 INFO L93 Difference]: Finished difference Result 9993 states and 14469 transitions. [2020-12-22 08:56:44,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:56:44,771 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-12-22 08:56:44,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:44,789 INFO L225 Difference]: With dead ends: 9993 [2020-12-22 08:56:44,789 INFO L226 Difference]: Without dead ends: 8586 [2020-12-22 08:56:44,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-22 08:56:44,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8586 states. [2020-12-22 08:56:45,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8586 to 3511. [2020-12-22 08:56:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2020-12-22 08:56:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4953 transitions. [2020-12-22 08:56:45,142 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4953 transitions. Word has length 110 [2020-12-22 08:56:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:45,143 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4953 transitions. [2020-12-22 08:56:45,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:56:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4953 transitions. [2020-12-22 08:56:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:56:45,146 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:45,147 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:45,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 08:56:45,147 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:45,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:45,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1432283502, now seen corresponding path program 1 times [2020-12-22 08:56:45,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:45,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678129929] [2020-12-22 08:56:45,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:45,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678129929] [2020-12-22 08:56:45,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:45,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:56:45,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683222766] [2020-12-22 08:56:45,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:56:45,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:45,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:56:45,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:56:45,440 INFO L87 Difference]: Start difference. First operand 3511 states and 4953 transitions. Second operand 11 states. [2020-12-22 08:56:45,955 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-22 08:56:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:56:54,654 INFO L93 Difference]: Finished difference Result 22118 states and 32382 transitions. [2020-12-22 08:56:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:56:54,655 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-12-22 08:56:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:56:54,693 INFO L225 Difference]: With dead ends: 22118 [2020-12-22 08:56:54,693 INFO L226 Difference]: Without dead ends: 20515 [2020-12-22 08:56:54,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-22 08:56:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20515 states. [2020-12-22 08:56:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20515 to 3515. [2020-12-22 08:56:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:56:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4957 transitions. [2020-12-22 08:56:55,288 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4957 transitions. Word has length 110 [2020-12-22 08:56:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:56:55,288 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4957 transitions. [2020-12-22 08:56:55,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:56:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4957 transitions. [2020-12-22 08:56:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:56:55,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:56:55,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:56:55,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 08:56:55,293 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:56:55,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:56:55,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1044438404, now seen corresponding path program 1 times [2020-12-22 08:56:55,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:56:55,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82234209] [2020-12-22 08:56:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:56:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:56:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:56:55,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82234209] [2020-12-22 08:56:55,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:56:55,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:56:55,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636160496] [2020-12-22 08:56:55,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:56:55,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:56:55,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:56:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:56:55,592 INFO L87 Difference]: Start difference. First operand 3515 states and 4957 transitions. Second operand 11 states. [2020-12-22 08:57:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:05,064 INFO L93 Difference]: Finished difference Result 20346 states and 29770 transitions. [2020-12-22 08:57:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:57:05,064 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-12-22 08:57:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:05,090 INFO L225 Difference]: With dead ends: 20346 [2020-12-22 08:57:05,091 INFO L226 Difference]: Without dead ends: 18951 [2020-12-22 08:57:05,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-22 08:57:05,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18951 states. [2020-12-22 08:57:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18951 to 3519. [2020-12-22 08:57:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:57:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4961 transitions. [2020-12-22 08:57:05,761 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4961 transitions. Word has length 110 [2020-12-22 08:57:05,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:05,761 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4961 transitions. [2020-12-22 08:57:05,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:57:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4961 transitions. [2020-12-22 08:57:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:57:05,766 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:05,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:05,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 08:57:05,767 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:05,767 INFO L82 PathProgramCache]: Analyzing trace with hash 237293966, now seen corresponding path program 1 times [2020-12-22 08:57:05,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:05,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329733730] [2020-12-22 08:57:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:05,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329733730] [2020-12-22 08:57:05,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:05,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:05,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537402466] [2020-12-22 08:57:05,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:05,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:05,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:05,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:05,974 INFO L87 Difference]: Start difference. First operand 3519 states and 4961 transitions. Second operand 9 states. [2020-12-22 08:57:10,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:10,828 INFO L93 Difference]: Finished difference Result 9981 states and 14452 transitions. [2020-12-22 08:57:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:57:10,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-12-22 08:57:10,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:10,837 INFO L225 Difference]: With dead ends: 9981 [2020-12-22 08:57:10,837 INFO L226 Difference]: Without dead ends: 8590 [2020-12-22 08:57:10,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-22 08:57:10,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2020-12-22 08:57:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 3519. [2020-12-22 08:57:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:57:11,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4960 transitions. [2020-12-22 08:57:11,316 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4960 transitions. Word has length 110 [2020-12-22 08:57:11,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:11,316 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4960 transitions. [2020-12-22 08:57:11,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4960 transitions. [2020-12-22 08:57:11,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:57:11,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:11,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:11,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 08:57:11,322 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:11,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:11,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1993529301, now seen corresponding path program 1 times [2020-12-22 08:57:11,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:11,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624149498] [2020-12-22 08:57:11,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:11,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624149498] [2020-12-22 08:57:11,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:11,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:11,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870868993] [2020-12-22 08:57:11,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:11,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:11,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:11,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:11,567 INFO L87 Difference]: Start difference. First operand 3519 states and 4960 transitions. Second operand 9 states. [2020-12-22 08:57:16,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:16,709 INFO L93 Difference]: Finished difference Result 10229 states and 14790 transitions. [2020-12-22 08:57:16,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:57:16,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-12-22 08:57:16,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:16,718 INFO L225 Difference]: With dead ends: 10229 [2020-12-22 08:57:16,718 INFO L226 Difference]: Without dead ends: 8702 [2020-12-22 08:57:16,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:57:16,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8702 states. [2020-12-22 08:57:17,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8702 to 3519. [2020-12-22 08:57:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:57:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4959 transitions. [2020-12-22 08:57:17,238 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4959 transitions. Word has length 110 [2020-12-22 08:57:17,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:17,238 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4959 transitions. [2020-12-22 08:57:17,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4959 transitions. [2020-12-22 08:57:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:57:17,243 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:17,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:17,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 08:57:17,243 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:17,244 INFO L82 PathProgramCache]: Analyzing trace with hash 8802059, now seen corresponding path program 1 times [2020-12-22 08:57:17,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:17,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628479365] [2020-12-22 08:57:17,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:17,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628479365] [2020-12-22 08:57:17,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:17,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:17,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397912116] [2020-12-22 08:57:17,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:17,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:17,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:17,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:17,493 INFO L87 Difference]: Start difference. First operand 3519 states and 4959 transitions. Second operand 9 states. [2020-12-22 08:57:22,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:22,767 INFO L93 Difference]: Finished difference Result 9985 states and 14453 transitions. [2020-12-22 08:57:22,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:57:22,768 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-12-22 08:57:22,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:22,776 INFO L225 Difference]: With dead ends: 9985 [2020-12-22 08:57:22,776 INFO L226 Difference]: Without dead ends: 8590 [2020-12-22 08:57:22,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-22 08:57:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2020-12-22 08:57:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 3519. [2020-12-22 08:57:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:57:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4958 transitions. [2020-12-22 08:57:23,361 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4958 transitions. Word has length 110 [2020-12-22 08:57:23,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:23,361 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4958 transitions. [2020-12-22 08:57:23,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4958 transitions. [2020-12-22 08:57:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 08:57:23,365 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:23,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:23,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 08:57:23,366 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:23,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1694810938, now seen corresponding path program 1 times [2020-12-22 08:57:23,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:23,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318062155] [2020-12-22 08:57:23,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:23,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318062155] [2020-12-22 08:57:23,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:23,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:57:23,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717119539] [2020-12-22 08:57:23,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:57:23,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:23,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:57:23,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:57:23,698 INFO L87 Difference]: Start difference. First operand 3519 states and 4958 transitions. Second operand 11 states. [2020-12-22 08:57:30,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:30,219 INFO L93 Difference]: Finished difference Result 9001 states and 12934 transitions. [2020-12-22 08:57:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-22 08:57:30,219 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-12-22 08:57:30,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:30,225 INFO L225 Difference]: With dead ends: 9001 [2020-12-22 08:57:30,225 INFO L226 Difference]: Without dead ends: 7069 [2020-12-22 08:57:30,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-12-22 08:57:30,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7069 states. [2020-12-22 08:57:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7069 to 3523. [2020-12-22 08:57:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3523 states. [2020-12-22 08:57:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4962 transitions. [2020-12-22 08:57:30,776 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4962 transitions. Word has length 110 [2020-12-22 08:57:30,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:30,776 INFO L481 AbstractCegarLoop]: Abstraction has 3523 states and 4962 transitions. [2020-12-22 08:57:30,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:57:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4962 transitions. [2020-12-22 08:57:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 08:57:30,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:30,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:30,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 08:57:30,779 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:30,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1235444325, now seen corresponding path program 1 times [2020-12-22 08:57:30,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:30,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699221808] [2020-12-22 08:57:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:30,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699221808] [2020-12-22 08:57:30,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:30,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:30,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035605504] [2020-12-22 08:57:30,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:30,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:30,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:30,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:30,985 INFO L87 Difference]: Start difference. First operand 3523 states and 4962 transitions. Second operand 9 states. [2020-12-22 08:57:36,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:36,499 INFO L93 Difference]: Finished difference Result 10309 states and 14897 transitions. [2020-12-22 08:57:36,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:57:36,499 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-12-22 08:57:36,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:36,506 INFO L225 Difference]: With dead ends: 10309 [2020-12-22 08:57:36,507 INFO L226 Difference]: Without dead ends: 8706 [2020-12-22 08:57:36,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:57:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8706 states. [2020-12-22 08:57:37,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8706 to 3519. [2020-12-22 08:57:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:57:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4957 transitions. [2020-12-22 08:57:37,057 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4957 transitions. Word has length 111 [2020-12-22 08:57:37,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:37,057 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4957 transitions. [2020-12-22 08:57:37,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4957 transitions. [2020-12-22 08:57:37,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 08:57:37,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:37,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:37,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 08:57:37,060 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:37,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:37,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1587170249, now seen corresponding path program 1 times [2020-12-22 08:57:37,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:37,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537483254] [2020-12-22 08:57:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:37,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537483254] [2020-12-22 08:57:37,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:37,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:37,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462669499] [2020-12-22 08:57:37,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:37,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:37,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:37,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:37,289 INFO L87 Difference]: Start difference. First operand 3519 states and 4957 transitions. Second operand 9 states. [2020-12-22 08:57:43,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:43,395 INFO L93 Difference]: Finished difference Result 9985 states and 14451 transitions. [2020-12-22 08:57:43,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:57:43,395 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-12-22 08:57:43,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:43,402 INFO L225 Difference]: With dead ends: 9985 [2020-12-22 08:57:43,402 INFO L226 Difference]: Without dead ends: 8590 [2020-12-22 08:57:43,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-12-22 08:57:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8590 states. [2020-12-22 08:57:44,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8590 to 3515. [2020-12-22 08:57:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:57:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4952 transitions. [2020-12-22 08:57:44,014 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4952 transitions. Word has length 111 [2020-12-22 08:57:44,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:44,015 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4952 transitions. [2020-12-22 08:57:44,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4952 transitions. [2020-12-22 08:57:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 08:57:44,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:44,018 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:44,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 08:57:44,018 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:44,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:44,019 INFO L82 PathProgramCache]: Analyzing trace with hash 177268838, now seen corresponding path program 1 times [2020-12-22 08:57:44,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:44,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792014175] [2020-12-22 08:57:44,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:44,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792014175] [2020-12-22 08:57:44,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:44,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:57:44,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625085020] [2020-12-22 08:57:44,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:57:44,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:44,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:57:44,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:57:44,246 INFO L87 Difference]: Start difference. First operand 3515 states and 4952 transitions. Second operand 9 states. [2020-12-22 08:57:48,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:57:48,450 INFO L93 Difference]: Finished difference Result 7447 states and 10733 transitions. [2020-12-22 08:57:48,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 08:57:48,451 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-12-22 08:57:48,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:57:48,456 INFO L225 Difference]: With dead ends: 7447 [2020-12-22 08:57:48,456 INFO L226 Difference]: Without dead ends: 5515 [2020-12-22 08:57:48,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-12-22 08:57:48,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5515 states. [2020-12-22 08:57:49,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5515 to 3511. [2020-12-22 08:57:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3511 states. [2020-12-22 08:57:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 4947 transitions. [2020-12-22 08:57:49,042 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 4947 transitions. Word has length 111 [2020-12-22 08:57:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:57:49,042 INFO L481 AbstractCegarLoop]: Abstraction has 3511 states and 4947 transitions. [2020-12-22 08:57:49,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:57:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 4947 transitions. [2020-12-22 08:57:49,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:57:49,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:57:49,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:57:49,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 08:57:49,046 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:57:49,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:57:49,046 INFO L82 PathProgramCache]: Analyzing trace with hash 28367950, now seen corresponding path program 1 times [2020-12-22 08:57:49,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:57:49,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391367982] [2020-12-22 08:57:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:57:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:57:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:57:49,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391367982] [2020-12-22 08:57:49,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:57:49,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:57:49,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054738022] [2020-12-22 08:57:49,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:57:49,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:57:49,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:57:49,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:57:49,369 INFO L87 Difference]: Start difference. First operand 3511 states and 4947 transitions. Second operand 11 states. [2020-12-22 08:58:01,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:01,115 INFO L93 Difference]: Finished difference Result 20384 states and 29811 transitions. [2020-12-22 08:58:01,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:58:01,116 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-12-22 08:58:01,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:01,132 INFO L225 Difference]: With dead ends: 20384 [2020-12-22 08:58:01,133 INFO L226 Difference]: Without dead ends: 18968 [2020-12-22 08:58:01,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-22 08:58:01,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18968 states. [2020-12-22 08:58:01,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18968 to 3515. [2020-12-22 08:58:01,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4951 transitions. [2020-12-22 08:58:01,797 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4951 transitions. Word has length 112 [2020-12-22 08:58:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:01,797 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4951 transitions. [2020-12-22 08:58:01,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:58:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4951 transitions. [2020-12-22 08:58:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:01,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:01,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:01,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 08:58:01,800 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:01,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1907876888, now seen corresponding path program 1 times [2020-12-22 08:58:01,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:01,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560491332] [2020-12-22 08:58:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:02,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560491332] [2020-12-22 08:58:02,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:02,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:02,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895404546] [2020-12-22 08:58:02,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:02,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:02,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:02,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:02,009 INFO L87 Difference]: Start difference. First operand 3515 states and 4951 transitions. Second operand 9 states. [2020-12-22 08:58:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:08,841 INFO L93 Difference]: Finished difference Result 10243 states and 14945 transitions. [2020-12-22 08:58:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-22 08:58:08,844 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:08,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:08,855 INFO L225 Difference]: With dead ends: 10243 [2020-12-22 08:58:08,855 INFO L226 Difference]: Without dead ends: 8897 [2020-12-22 08:58:08,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2020-12-22 08:58:08,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8897 states. [2020-12-22 08:58:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8897 to 3515. [2020-12-22 08:58:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4950 transitions. [2020-12-22 08:58:09,574 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4950 transitions. Word has length 112 [2020-12-22 08:58:09,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:09,574 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4950 transitions. [2020-12-22 08:58:09,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:09,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4950 transitions. [2020-12-22 08:58:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:09,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:09,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:09,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 08:58:09,577 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:09,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:09,577 INFO L82 PathProgramCache]: Analyzing trace with hash 230381962, now seen corresponding path program 1 times [2020-12-22 08:58:09,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:09,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121060375] [2020-12-22 08:58:09,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:09,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121060375] [2020-12-22 08:58:09,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:09,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:09,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90620412] [2020-12-22 08:58:09,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:09,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:09,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:09,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:09,804 INFO L87 Difference]: Start difference. First operand 3515 states and 4950 transitions. Second operand 9 states. [2020-12-22 08:58:15,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:15,628 INFO L93 Difference]: Finished difference Result 7661 states and 11063 transitions. [2020-12-22 08:58:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:58:15,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:15,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:15,636 INFO L225 Difference]: With dead ends: 7661 [2020-12-22 08:58:15,636 INFO L226 Difference]: Without dead ends: 6285 [2020-12-22 08:58:15,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:58:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-12-22 08:58:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 3515. [2020-12-22 08:58:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4948 transitions. [2020-12-22 08:58:16,297 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4948 transitions. Word has length 112 [2020-12-22 08:58:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:16,298 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4948 transitions. [2020-12-22 08:58:16,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4948 transitions. [2020-12-22 08:58:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:16,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:16,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:16,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 08:58:16,301 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:16,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:16,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1790606885, now seen corresponding path program 1 times [2020-12-22 08:58:16,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:16,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159990078] [2020-12-22 08:58:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:16,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:16,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159990078] [2020-12-22 08:58:16,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:16,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:16,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91203149] [2020-12-22 08:58:16,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:16,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:16,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:16,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:16,516 INFO L87 Difference]: Start difference. First operand 3515 states and 4948 transitions. Second operand 9 states. [2020-12-22 08:58:23,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:23,329 INFO L93 Difference]: Finished difference Result 10236 states and 14934 transitions. [2020-12-22 08:58:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-22 08:58:23,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:23,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:23,338 INFO L225 Difference]: With dead ends: 10236 [2020-12-22 08:58:23,338 INFO L226 Difference]: Without dead ends: 8897 [2020-12-22 08:58:23,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2020-12-22 08:58:23,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8897 states. [2020-12-22 08:58:24,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8897 to 3515. [2020-12-22 08:58:24,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4947 transitions. [2020-12-22 08:58:24,031 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4947 transitions. Word has length 112 [2020-12-22 08:58:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:24,032 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4947 transitions. [2020-12-22 08:58:24,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4947 transitions. [2020-12-22 08:58:24,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:24,035 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:24,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:24,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 08:58:24,036 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:24,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:24,036 INFO L82 PathProgramCache]: Analyzing trace with hash -582562824, now seen corresponding path program 1 times [2020-12-22 08:58:24,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:24,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275529413] [2020-12-22 08:58:24,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:24,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275529413] [2020-12-22 08:58:24,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:24,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-22 08:58:24,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278573847] [2020-12-22 08:58:24,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-22 08:58:24,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:24,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-22 08:58:24,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-12-22 08:58:24,367 INFO L87 Difference]: Start difference. First operand 3515 states and 4947 transitions. Second operand 12 states. [2020-12-22 08:58:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:35,469 INFO L93 Difference]: Finished difference Result 12527 states and 18157 transitions. [2020-12-22 08:58:35,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:58:35,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-12-22 08:58:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:35,479 INFO L225 Difference]: With dead ends: 12527 [2020-12-22 08:58:35,480 INFO L226 Difference]: Without dead ends: 11185 [2020-12-22 08:58:35,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=300, Invalid=822, Unknown=0, NotChecked=0, Total=1122 [2020-12-22 08:58:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11185 states. [2020-12-22 08:58:36,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11185 to 3515. [2020-12-22 08:58:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4946 transitions. [2020-12-22 08:58:36,262 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4946 transitions. Word has length 112 [2020-12-22 08:58:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:36,262 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4946 transitions. [2020-12-22 08:58:36,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-22 08:58:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4946 transitions. [2020-12-22 08:58:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:36,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:36,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:36,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 08:58:36,266 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:36,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:36,266 INFO L82 PathProgramCache]: Analyzing trace with hash 977250997, now seen corresponding path program 1 times [2020-12-22 08:58:36,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:36,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669504379] [2020-12-22 08:58:36,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:36,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669504379] [2020-12-22 08:58:36,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:36,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:36,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532464977] [2020-12-22 08:58:36,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:36,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:36,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:36,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:36,474 INFO L87 Difference]: Start difference. First operand 3515 states and 4946 transitions. Second operand 9 states. [2020-12-22 08:58:42,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:42,741 INFO L93 Difference]: Finished difference Result 7624 states and 11010 transitions. [2020-12-22 08:58:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:58:42,742 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:42,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:42,748 INFO L225 Difference]: With dead ends: 7624 [2020-12-22 08:58:42,748 INFO L226 Difference]: Without dead ends: 6285 [2020-12-22 08:58:42,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:58:42,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-12-22 08:58:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 3515. [2020-12-22 08:58:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4945 transitions. [2020-12-22 08:58:43,451 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4945 transitions. Word has length 112 [2020-12-22 08:58:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:43,451 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4945 transitions. [2020-12-22 08:58:43,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4945 transitions. [2020-12-22 08:58:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:43,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:43,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:43,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-22 08:58:43,455 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:43,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:43,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1047979927, now seen corresponding path program 1 times [2020-12-22 08:58:43,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:43,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620021215] [2020-12-22 08:58:43,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:43,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620021215] [2020-12-22 08:58:43,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:43,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:43,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553915921] [2020-12-22 08:58:43,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:43,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:43,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:43,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:43,677 INFO L87 Difference]: Start difference. First operand 3515 states and 4945 transitions. Second operand 9 states. [2020-12-22 08:58:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:49,817 INFO L93 Difference]: Finished difference Result 7649 states and 11043 transitions. [2020-12-22 08:58:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:58:49,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:49,826 INFO L225 Difference]: With dead ends: 7649 [2020-12-22 08:58:49,826 INFO L226 Difference]: Without dead ends: 6285 [2020-12-22 08:58:49,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:58:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-12-22 08:58:50,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 3515. [2020-12-22 08:58:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4943 transitions. [2020-12-22 08:58:50,539 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4943 transitions. Word has length 112 [2020-12-22 08:58:50,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:50,539 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4943 transitions. [2020-12-22 08:58:50,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4943 transitions. [2020-12-22 08:58:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:50,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:50,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:50,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 08:58:50,576 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:50,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:50,576 INFO L82 PathProgramCache]: Analyzing trace with hash -619395701, now seen corresponding path program 1 times [2020-12-22 08:58:50,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:50,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010816593] [2020-12-22 08:58:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:50,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010816593] [2020-12-22 08:58:50,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:50,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:58:50,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351431396] [2020-12-22 08:58:50,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:58:50,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:58:50,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:58:50,807 INFO L87 Difference]: Start difference. First operand 3515 states and 4943 transitions. Second operand 9 states. [2020-12-22 08:58:56,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:58:56,854 INFO L93 Difference]: Finished difference Result 7620 states and 11003 transitions. [2020-12-22 08:58:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:58:56,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:58:56,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:58:56,860 INFO L225 Difference]: With dead ends: 7620 [2020-12-22 08:58:56,860 INFO L226 Difference]: Without dead ends: 6285 [2020-12-22 08:58:56,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:58:56,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2020-12-22 08:58:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 3515. [2020-12-22 08:58:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3515 states. [2020-12-22 08:58:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 4942 transitions. [2020-12-22 08:58:57,637 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 4942 transitions. Word has length 112 [2020-12-22 08:58:57,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:58:57,637 INFO L481 AbstractCegarLoop]: Abstraction has 3515 states and 4942 transitions. [2020-12-22 08:58:57,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:58:57,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 4942 transitions. [2020-12-22 08:58:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:58:57,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:58:57,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:58:57,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-22 08:58:57,640 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:58:57,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:58:57,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2062151563, now seen corresponding path program 1 times [2020-12-22 08:58:57,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:58:57,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848914333] [2020-12-22 08:58:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:58:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:58:57,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:58:57,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848914333] [2020-12-22 08:58:57,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:58:57,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:58:57,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675192100] [2020-12-22 08:58:57,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:58:57,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:58:57,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:58:57,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:58:57,915 INFO L87 Difference]: Start difference. First operand 3515 states and 4942 transitions. Second operand 11 states. [2020-12-22 08:59:13,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:59:13,040 INFO L93 Difference]: Finished difference Result 20336 states and 29728 transitions. [2020-12-22 08:59:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:59:13,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-12-22 08:59:13,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:59:13,057 INFO L225 Difference]: With dead ends: 20336 [2020-12-22 08:59:13,057 INFO L226 Difference]: Without dead ends: 18944 [2020-12-22 08:59:13,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-22 08:59:13,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18944 states. [2020-12-22 08:59:13,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18944 to 3519. [2020-12-22 08:59:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:59:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4946 transitions. [2020-12-22 08:59:13,958 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4946 transitions. Word has length 112 [2020-12-22 08:59:13,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:59:13,958 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4946 transitions. [2020-12-22 08:59:13,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:59:13,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4946 transitions. [2020-12-22 08:59:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:59:13,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:59:13,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:59:13,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-22 08:59:13,961 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:59:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:59:13,962 INFO L82 PathProgramCache]: Analyzing trace with hash -353306795, now seen corresponding path program 1 times [2020-12-22 08:59:13,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:59:13,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978599562] [2020-12-22 08:59:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:59:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:59:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:59:14,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978599562] [2020-12-22 08:59:14,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:59:14,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:59:14,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240825752] [2020-12-22 08:59:14,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:59:14,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:59:14,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:59:14,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:59:14,185 INFO L87 Difference]: Start difference. First operand 3519 states and 4946 transitions. Second operand 9 states. [2020-12-22 08:59:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:59:21,456 INFO L93 Difference]: Finished difference Result 10243 states and 14934 transitions. [2020-12-22 08:59:21,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-22 08:59:21,457 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:59:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:59:21,464 INFO L225 Difference]: With dead ends: 10243 [2020-12-22 08:59:21,464 INFO L226 Difference]: Without dead ends: 8901 [2020-12-22 08:59:21,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2020-12-22 08:59:21,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8901 states. [2020-12-22 08:59:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8901 to 3519. [2020-12-22 08:59:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:59:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4945 transitions. [2020-12-22 08:59:22,317 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4945 transitions. Word has length 112 [2020-12-22 08:59:22,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:59:22,317 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4945 transitions. [2020-12-22 08:59:22,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:59:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4945 transitions. [2020-12-22 08:59:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:59:22,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:59:22,321 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:59:22,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-22 08:59:22,321 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:59:22,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:59:22,322 INFO L82 PathProgramCache]: Analyzing trace with hash -2030801721, now seen corresponding path program 1 times [2020-12-22 08:59:22,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:59:22,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431910564] [2020-12-22 08:59:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:59:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:59:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:59:22,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431910564] [2020-12-22 08:59:22,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:59:22,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:59:22,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328681627] [2020-12-22 08:59:22,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:59:22,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:59:22,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:59:22,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:59:22,539 INFO L87 Difference]: Start difference. First operand 3519 states and 4945 transitions. Second operand 9 states. [2020-12-22 08:59:29,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:59:29,267 INFO L93 Difference]: Finished difference Result 7653 states and 11042 transitions. [2020-12-22 08:59:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:59:29,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:59:29,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:59:29,273 INFO L225 Difference]: With dead ends: 7653 [2020-12-22 08:59:29,273 INFO L226 Difference]: Without dead ends: 6289 [2020-12-22 08:59:29,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:59:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6289 states. [2020-12-22 08:59:30,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6289 to 3519. [2020-12-22 08:59:30,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:59:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4943 transitions. [2020-12-22 08:59:30,100 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4943 transitions. Word has length 112 [2020-12-22 08:59:30,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:59:30,101 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4943 transitions. [2020-12-22 08:59:30,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:59:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4943 transitions. [2020-12-22 08:59:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:59:30,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:59:30,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:59:30,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-22 08:59:30,104 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:59:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:59:30,105 INFO L82 PathProgramCache]: Analyzing trace with hash -469685084, now seen corresponding path program 1 times [2020-12-22 08:59:30,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:59:30,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043073969] [2020-12-22 08:59:30,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:59:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:59:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:59:30,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043073969] [2020-12-22 08:59:30,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:59:30,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:59:30,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434458174] [2020-12-22 08:59:30,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:59:30,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:59:30,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:59:30,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:59:30,308 INFO L87 Difference]: Start difference. First operand 3519 states and 4943 transitions. Second operand 9 states. [2020-12-22 08:59:36,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:59:36,793 INFO L93 Difference]: Finished difference Result 7628 states and 11007 transitions. [2020-12-22 08:59:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 08:59:36,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2020-12-22 08:59:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:59:36,800 INFO L225 Difference]: With dead ends: 7628 [2020-12-22 08:59:36,800 INFO L226 Difference]: Without dead ends: 6289 [2020-12-22 08:59:36,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-12-22 08:59:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6289 states. [2020-12-22 08:59:37,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6289 to 3519. [2020-12-22 08:59:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3519 states. [2020-12-22 08:59:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 4942 transitions. [2020-12-22 08:59:37,673 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 4942 transitions. Word has length 112 [2020-12-22 08:59:37,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:59:37,674 INFO L481 AbstractCegarLoop]: Abstraction has 3519 states and 4942 transitions. [2020-12-22 08:59:37,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-22 08:59:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 4942 transitions. [2020-12-22 08:59:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:59:37,677 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:59:37,677 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:59:37,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-22 08:59:37,678 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:59:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:59:37,678 INFO L82 PathProgramCache]: Analyzing trace with hash -79489975, now seen corresponding path program 1 times [2020-12-22 08:59:37,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:59:37,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856895963] [2020-12-22 08:59:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:59:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:59:37,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:59:37,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856895963] [2020-12-22 08:59:37,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:59:37,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-22 08:59:37,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736402887] [2020-12-22 08:59:37,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-22 08:59:37,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:59:37,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-22 08:59:37,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-22 08:59:37,951 INFO L87 Difference]: Start difference. First operand 3519 states and 4942 transitions. Second operand 11 states. [2020-12-22 08:59:54,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:59:54,448 INFO L93 Difference]: Finished difference Result 22200 states and 32426 transitions. [2020-12-22 08:59:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-22 08:59:54,449 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2020-12-22 08:59:54,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:59:54,466 INFO L225 Difference]: With dead ends: 22200 [2020-12-22 08:59:54,466 INFO L226 Difference]: Without dead ends: 20562 [2020-12-22 08:59:54,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2020-12-22 08:59:54,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20562 states. [2020-12-22 08:59:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20562 to 3523. [2020-12-22 08:59:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3523 states. [2020-12-22 08:59:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4946 transitions. [2020-12-22 08:59:55,486 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4946 transitions. Word has length 112 [2020-12-22 08:59:55,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:59:55,486 INFO L481 AbstractCegarLoop]: Abstraction has 3523 states and 4946 transitions. [2020-12-22 08:59:55,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-22 08:59:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4946 transitions. [2020-12-22 08:59:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 08:59:55,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:59:55,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 08:59:55,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-22 08:59:55,490 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:59:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:59:55,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1562562040, now seen corresponding path program 1 times [2020-12-22 08:59:55,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:59:55,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574489168] [2020-12-22 08:59:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:59:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:59:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 08:59:55,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574489168] [2020-12-22 08:59:55,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:59:55,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 08:59:55,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053166777] [2020-12-22 08:59:55,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-22 08:59:55,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:59:55,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-22 08:59:55,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 08:59:55,704 INFO L87 Difference]: Start difference. First operand 3523 states and 4946 transitions. Second operand 9 states.