/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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 08:07:13,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 08:07:13,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 08:07:13,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 08:07:13,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 08:07:13,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 08:07:13,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 08:07:13,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 08:07:13,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 08:07:13,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 08:07:13,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 08:07:13,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 08:07:13,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 08:07:13,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 08:07:13,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 08:07:13,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 08:07:13,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 08:07:13,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 08:07:13,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 08:07:13,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 08:07:13,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 08:07:13,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 08:07:13,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 08:07:13,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 08:07:13,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 08:07:13,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 08:07:13,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 08:07:13,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 08:07:13,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 08:07:13,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 08:07:13,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 08:07:13,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 08:07:13,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 08:07:13,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 08:07:13,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 08:07:13,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 08:07:13,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 08:07:13,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 08:07:13,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 08:07:13,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 08:07:13,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 08:07:13,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 08:07:13,269 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 08:07:13,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 08:07:13,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 08:07:13,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 08:07:13,273 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 08:07:13,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 08:07:13,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 08:07:13,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 08:07:13,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 08:07:13,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 08:07:13,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 08:07:13,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 08:07:13,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 08:07:13,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 08:07:13,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 08:07:13,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 08:07:13,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 08:07:13,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 08:07:13,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 08:07:13,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 08:07:13,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 08:07:13,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 08:07:13,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 08:07:13,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 08:07:13,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 08:07:13,279 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 08:07:13,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 08:07:13,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 08:07:13,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 08:07:13,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 08:07:13,724 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 08:07:13,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-22 08:07:13,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac69ed2b/3dd0796992be49c99018102fef56bccf/FLAGa7244b24d [2020-12-22 08:07:14,672 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 08:07:14,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-22 08:07:14,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac69ed2b/3dd0796992be49c99018102fef56bccf/FLAGa7244b24d [2020-12-22 08:07:14,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac69ed2b/3dd0796992be49c99018102fef56bccf [2020-12-22 08:07:14,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 08:07:14,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 08:07:14,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 08:07:14,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 08:07:14,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 08:07:14,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:07:14" (1/1) ... [2020-12-22 08:07:14,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e04613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:14, skipping insertion in model container [2020-12-22 08:07:14,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:07:14" (1/1) ... [2020-12-22 08:07:14,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 08:07:14,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 08:07:15,614 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30996,31009] [2020-12-22 08:07:15,638 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31886,31899] [2020-12-22 08:07:15,676 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33588,33601] [2020-12-22 08:07:15,697 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34478,34491] [2020-12-22 08:07:15,770 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36995,37008] [2020-12-22 08:07:15,792 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37888,37901] [2020-12-22 08:07:15,834 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39593,39606] [2020-12-22 08:07:15,875 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40870,40883] [2020-12-22 08:07:16,059 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54919,54932] [2020-12-22 08:07:16,079 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55812,55825] [2020-12-22 08:07:16,107 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57517,57530] [2020-12-22 08:07:16,168 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61718,61731] [2020-12-22 08:07:16,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 08:07:16,340 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 08:07:16,588 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30996,31009] [2020-12-22 08:07:16,604 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31886,31899] [2020-12-22 08:07:16,629 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33588,33601] [2020-12-22 08:07:16,644 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34478,34491] [2020-12-22 08:07:16,673 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36995,37008] [2020-12-22 08:07:16,688 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37888,37901] [2020-12-22 08:07:16,712 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39593,39606] [2020-12-22 08:07:16,732 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40870,40883] [2020-12-22 08:07:16,866 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54919,54932] [2020-12-22 08:07:16,884 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55812,55825] [2020-12-22 08:07:16,912 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57517,57530] [2020-12-22 08:07:16,975 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_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61718,61731] [2020-12-22 08:07:17,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 08:07:17,143 INFO L208 MainTranslator]: Completed translation [2020-12-22 08:07:17,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17 WrapperNode [2020-12-22 08:07:17,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 08:07:17,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 08:07:17,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 08:07:17,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 08:07:17,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 08:07:17,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 08:07:17,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 08:07:17,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 08:07:17,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (1/1) ... [2020-12-22 08:07:17,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 08:07:17,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 08:07:17,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 08:07:17,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 08:07:17,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (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 08:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 08:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 08:07:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 08:07:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 08:07:21,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 08:07:21,046 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-22 08:07:21,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:07:21 BoogieIcfgContainer [2020-12-22 08:07:21,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 08:07:21,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 08:07:21,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 08:07:21,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 08:07:21,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:07:14" (1/3) ... [2020-12-22 08:07:21,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75496866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:07:21, skipping insertion in model container [2020-12-22 08:07:21,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:07:17" (2/3) ... [2020-12-22 08:07:21,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75496866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:07:21, skipping insertion in model container [2020-12-22 08:07:21,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:07:21" (3/3) ... [2020-12-22 08:07:21,060 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-12-22 08:07:21,068 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 08:07:21,074 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-12-22 08:07:21,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-12-22 08:07:21,129 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 08:07:21,130 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 08:07:21,130 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 08:07:21,130 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 08:07:21,130 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 08:07:21,130 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 08:07:21,130 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 08:07:21,131 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 08:07:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states. [2020-12-22 08:07:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-22 08:07:21,212 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:21,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:21,216 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:21,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1990766414, now seen corresponding path program 1 times [2020-12-22 08:07:21,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:21,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984800164] [2020-12-22 08:07:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:22,429 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 08:07:22,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984800164] [2020-12-22 08:07:22,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:22,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:22,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706451493] [2020-12-22 08:07:22,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:22,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:22,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:22,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:22,474 INFO L87 Difference]: Start difference. First operand 917 states. Second operand 3 states. [2020-12-22 08:07:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:22,824 INFO L93 Difference]: Finished difference Result 1596 states and 2854 transitions. [2020-12-22 08:07:22,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:22,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-12-22 08:07:22,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:22,859 INFO L225 Difference]: With dead ends: 1596 [2020-12-22 08:07:22,859 INFO L226 Difference]: Without dead ends: 1319 [2020-12-22 08:07:22,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:22,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-12-22 08:07:23,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1317. [2020-12-22 08:07:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1317 states. [2020-12-22 08:07:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 2013 transitions. [2020-12-22 08:07:23,023 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 2013 transitions. Word has length 292 [2020-12-22 08:07:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:23,028 INFO L481 AbstractCegarLoop]: Abstraction has 1317 states and 2013 transitions. [2020-12-22 08:07:23,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:23,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 2013 transitions. [2020-12-22 08:07:23,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-22 08:07:23,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:23,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:23,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 08:07:23,041 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:23,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1706106648, now seen corresponding path program 1 times [2020-12-22 08:07:23,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:23,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790674432] [2020-12-22 08:07:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:23,537 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 08:07:23,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790674432] [2020-12-22 08:07:23,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:23,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:23,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118495162] [2020-12-22 08:07:23,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:23,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:23,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:23,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:23,547 INFO L87 Difference]: Start difference. First operand 1317 states and 2013 transitions. Second operand 3 states. [2020-12-22 08:07:23,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:23,974 INFO L93 Difference]: Finished difference Result 2520 states and 3891 transitions. [2020-12-22 08:07:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:23,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-12-22 08:07:23,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:23,994 INFO L225 Difference]: With dead ends: 2520 [2020-12-22 08:07:23,994 INFO L226 Difference]: Without dead ends: 2149 [2020-12-22 08:07:24,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2020-12-22 08:07:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 2147. [2020-12-22 08:07:24,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2147 states. [2020-12-22 08:07:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 3291 transitions. [2020-12-22 08:07:24,089 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 3291 transitions. Word has length 292 [2020-12-22 08:07:24,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:24,090 INFO L481 AbstractCegarLoop]: Abstraction has 2147 states and 3291 transitions. [2020-12-22 08:07:24,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 3291 transitions. [2020-12-22 08:07:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-22 08:07:24,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:24,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:24,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 08:07:24,100 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:24,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:24,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1759693319, now seen corresponding path program 1 times [2020-12-22 08:07:24,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:24,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600442579] [2020-12-22 08:07:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:24,911 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 08:07:24,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600442579] [2020-12-22 08:07:24,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:24,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 08:07:24,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197583697] [2020-12-22 08:07:24,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 08:07:24,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:24,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 08:07:24,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 08:07:24,923 INFO L87 Difference]: Start difference. First operand 2147 states and 3291 transitions. Second operand 4 states. [2020-12-22 08:07:25,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:25,294 INFO L93 Difference]: Finished difference Result 6355 states and 9732 transitions. [2020-12-22 08:07:25,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 08:07:25,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 292 [2020-12-22 08:07:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:25,317 INFO L225 Difference]: With dead ends: 6355 [2020-12-22 08:07:25,317 INFO L226 Difference]: Without dead ends: 4219 [2020-12-22 08:07:25,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:07:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4219 states. [2020-12-22 08:07:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4219 to 4109. [2020-12-22 08:07:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2020-12-22 08:07:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 6288 transitions. [2020-12-22 08:07:25,510 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 6288 transitions. Word has length 292 [2020-12-22 08:07:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:25,510 INFO L481 AbstractCegarLoop]: Abstraction has 4109 states and 6288 transitions. [2020-12-22 08:07:25,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 08:07:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 6288 transitions. [2020-12-22 08:07:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-12-22 08:07:25,521 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:25,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:25,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 08:07:25,522 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:25,523 INFO L82 PathProgramCache]: Analyzing trace with hash 994376921, now seen corresponding path program 1 times [2020-12-22 08:07:25,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:25,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672358057] [2020-12-22 08:07:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:25,806 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 08:07:25,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672358057] [2020-12-22 08:07:25,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:25,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:25,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897308080] [2020-12-22 08:07:25,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:25,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:25,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:25,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:25,811 INFO L87 Difference]: Start difference. First operand 4109 states and 6288 transitions. Second operand 3 states. [2020-12-22 08:07:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:26,261 INFO L93 Difference]: Finished difference Result 12060 states and 18412 transitions. [2020-12-22 08:07:26,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:26,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2020-12-22 08:07:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:26,301 INFO L225 Difference]: With dead ends: 12060 [2020-12-22 08:07:26,301 INFO L226 Difference]: Without dead ends: 8076 [2020-12-22 08:07:26,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8076 states. [2020-12-22 08:07:26,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8076 to 7966. [2020-12-22 08:07:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7966 states. [2020-12-22 08:07:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7966 states to 7966 states and 12149 transitions. [2020-12-22 08:07:26,729 INFO L78 Accepts]: Start accepts. Automaton has 7966 states and 12149 transitions. Word has length 294 [2020-12-22 08:07:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:26,730 INFO L481 AbstractCegarLoop]: Abstraction has 7966 states and 12149 transitions. [2020-12-22 08:07:26,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 7966 states and 12149 transitions. [2020-12-22 08:07:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-12-22 08:07:26,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:26,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:26,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 08:07:26,753 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:26,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:26,753 INFO L82 PathProgramCache]: Analyzing trace with hash -152219170, now seen corresponding path program 1 times [2020-12-22 08:07:26,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:26,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326812184] [2020-12-22 08:07:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:26,992 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 08:07:26,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326812184] [2020-12-22 08:07:26,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:26,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:26,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733015227] [2020-12-22 08:07:26,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:26,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:26,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:26,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:26,995 INFO L87 Difference]: Start difference. First operand 7966 states and 12149 transitions. Second operand 3 states. [2020-12-22 08:07:27,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:27,781 INFO L93 Difference]: Finished difference Result 23831 states and 36331 transitions. [2020-12-22 08:07:27,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:27,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2020-12-22 08:07:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:27,880 INFO L225 Difference]: With dead ends: 23831 [2020-12-22 08:07:27,880 INFO L226 Difference]: Without dead ends: 15903 [2020-12-22 08:07:27,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:27,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15903 states. [2020-12-22 08:07:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15903 to 7985. [2020-12-22 08:07:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7985 states. [2020-12-22 08:07:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7985 states to 7985 states and 12177 transitions. [2020-12-22 08:07:28,518 INFO L78 Accepts]: Start accepts. Automaton has 7985 states and 12177 transitions. Word has length 294 [2020-12-22 08:07:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:28,519 INFO L481 AbstractCegarLoop]: Abstraction has 7985 states and 12177 transitions. [2020-12-22 08:07:28,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7985 states and 12177 transitions. [2020-12-22 08:07:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-12-22 08:07:28,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:28,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:28,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 08:07:28,539 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:28,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:28,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1341407625, now seen corresponding path program 1 times [2020-12-22 08:07:28,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:28,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092132887] [2020-12-22 08:07:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:28,734 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 08:07:28,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092132887] [2020-12-22 08:07:28,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:28,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:28,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562713108] [2020-12-22 08:07:28,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:28,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:28,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:28,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:28,739 INFO L87 Difference]: Start difference. First operand 7985 states and 12177 transitions. Second operand 3 states. [2020-12-22 08:07:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:29,491 INFO L93 Difference]: Finished difference Result 23850 states and 36352 transitions. [2020-12-22 08:07:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:29,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-12-22 08:07:29,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:29,538 INFO L225 Difference]: With dead ends: 23850 [2020-12-22 08:07:29,538 INFO L226 Difference]: Without dead ends: 15921 [2020-12-22 08:07:29,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:29,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15921 states. [2020-12-22 08:07:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15921 to 8003. [2020-12-22 08:07:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8003 states. [2020-12-22 08:07:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8003 states to 8003 states and 12198 transitions. [2020-12-22 08:07:30,068 INFO L78 Accepts]: Start accepts. Automaton has 8003 states and 12198 transitions. Word has length 295 [2020-12-22 08:07:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:30,069 INFO L481 AbstractCegarLoop]: Abstraction has 8003 states and 12198 transitions. [2020-12-22 08:07:30,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 8003 states and 12198 transitions. [2020-12-22 08:07:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-12-22 08:07:30,086 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:30,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:30,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 08:07:30,087 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1864753332, now seen corresponding path program 1 times [2020-12-22 08:07:30,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:30,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873899575] [2020-12-22 08:07:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:30,389 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 08:07:30,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873899575] [2020-12-22 08:07:30,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:30,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:30,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808365409] [2020-12-22 08:07:30,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:30,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:30,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:30,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:30,392 INFO L87 Difference]: Start difference. First operand 8003 states and 12198 transitions. Second operand 3 states. [2020-12-22 08:07:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:31,273 INFO L93 Difference]: Finished difference Result 23390 states and 35563 transitions. [2020-12-22 08:07:31,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:31,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2020-12-22 08:07:31,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:31,317 INFO L225 Difference]: With dead ends: 23390 [2020-12-22 08:07:31,318 INFO L226 Difference]: Without dead ends: 15628 [2020-12-22 08:07:31,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15628 states. [2020-12-22 08:07:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15628 to 15518. [2020-12-22 08:07:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15518 states. [2020-12-22 08:07:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15518 states to 15518 states and 23522 transitions. [2020-12-22 08:07:32,509 INFO L78 Accepts]: Start accepts. Automaton has 15518 states and 23522 transitions. Word has length 296 [2020-12-22 08:07:32,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:32,509 INFO L481 AbstractCegarLoop]: Abstraction has 15518 states and 23522 transitions. [2020-12-22 08:07:32,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 15518 states and 23522 transitions. [2020-12-22 08:07:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-12-22 08:07:32,538 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:32,539 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:32,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 08:07:32,539 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:32,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:32,540 INFO L82 PathProgramCache]: Analyzing trace with hash 448761105, now seen corresponding path program 1 times [2020-12-22 08:07:32,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:32,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313041906] [2020-12-22 08:07:32,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:33,018 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 08:07:33,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313041906] [2020-12-22 08:07:33,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:33,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:07:33,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459724543] [2020-12-22 08:07:33,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 08:07:33,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:33,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 08:07:33,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:07:33,022 INFO L87 Difference]: Start difference. First operand 15518 states and 23522 transitions. Second operand 5 states. [2020-12-22 08:07:34,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:34,835 INFO L93 Difference]: Finished difference Result 45654 states and 69083 transitions. [2020-12-22 08:07:34,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 08:07:34,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2020-12-22 08:07:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:34,914 INFO L225 Difference]: With dead ends: 45654 [2020-12-22 08:07:34,914 INFO L226 Difference]: Without dead ends: 30191 [2020-12-22 08:07:34,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:07:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30191 states. [2020-12-22 08:07:37,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30191 to 30089. [2020-12-22 08:07:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30089 states. [2020-12-22 08:07:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30089 states to 30089 states and 45249 transitions. [2020-12-22 08:07:37,097 INFO L78 Accepts]: Start accepts. Automaton has 30089 states and 45249 transitions. Word has length 296 [2020-12-22 08:07:37,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:37,098 INFO L481 AbstractCegarLoop]: Abstraction has 30089 states and 45249 transitions. [2020-12-22 08:07:37,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 08:07:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30089 states and 45249 transitions. [2020-12-22 08:07:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-12-22 08:07:37,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:37,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:37,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 08:07:37,156 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:37,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:37,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1644760479, now seen corresponding path program 1 times [2020-12-22 08:07:37,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:37,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463050453] [2020-12-22 08:07:37,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:37,711 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 08:07:37,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463050453] [2020-12-22 08:07:37,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:37,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 08:07:37,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190525328] [2020-12-22 08:07:37,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 08:07:37,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:37,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 08:07:37,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 08:07:37,715 INFO L87 Difference]: Start difference. First operand 30089 states and 45249 transitions. Second operand 4 states. [2020-12-22 08:07:40,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:40,388 INFO L93 Difference]: Finished difference Result 88809 states and 133391 transitions. [2020-12-22 08:07:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 08:07:40,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 298 [2020-12-22 08:07:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:40,513 INFO L225 Difference]: With dead ends: 88809 [2020-12-22 08:07:40,514 INFO L226 Difference]: Without dead ends: 58917 [2020-12-22 08:07:40,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:07:40,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58917 states. [2020-12-22 08:07:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58917 to 58801. [2020-12-22 08:07:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58801 states. [2020-12-22 08:07:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58801 states to 58801 states and 87824 transitions. [2020-12-22 08:07:43,755 INFO L78 Accepts]: Start accepts. Automaton has 58801 states and 87824 transitions. Word has length 298 [2020-12-22 08:07:43,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:43,755 INFO L481 AbstractCegarLoop]: Abstraction has 58801 states and 87824 transitions. [2020-12-22 08:07:43,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 08:07:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 58801 states and 87824 transitions. [2020-12-22 08:07:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-22 08:07:43,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:43,825 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:43,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 08:07:43,825 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash -347515909, now seen corresponding path program 1 times [2020-12-22 08:07:43,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:43,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675275673] [2020-12-22 08:07:43,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:44,113 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 08:07:44,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675275673] [2020-12-22 08:07:44,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:44,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:44,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651364236] [2020-12-22 08:07:44,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:44,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:44,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:44,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:44,116 INFO L87 Difference]: Start difference. First operand 58801 states and 87824 transitions. Second operand 3 states. [2020-12-22 08:07:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:48,978 INFO L93 Difference]: Finished difference Result 175883 states and 262636 transitions. [2020-12-22 08:07:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:48,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2020-12-22 08:07:48,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:49,203 INFO L225 Difference]: With dead ends: 175883 [2020-12-22 08:07:49,204 INFO L226 Difference]: Without dead ends: 117367 [2020-12-22 08:07:49,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:49,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117367 states. [2020-12-22 08:07:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117367 to 58931. [2020-12-22 08:07:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58931 states. [2020-12-22 08:07:53,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58931 states to 58931 states and 88014 transitions. [2020-12-22 08:07:53,611 INFO L78 Accepts]: Start accepts. Automaton has 58931 states and 88014 transitions. Word has length 300 [2020-12-22 08:07:53,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:07:53,612 INFO L481 AbstractCegarLoop]: Abstraction has 58931 states and 88014 transitions. [2020-12-22 08:07:53,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:07:53,612 INFO L276 IsEmpty]: Start isEmpty. Operand 58931 states and 88014 transitions. [2020-12-22 08:07:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-22 08:07:53,675 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:07:53,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:07:53,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 08:07:53,676 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:07:53,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:07:53,677 INFO L82 PathProgramCache]: Analyzing trace with hash 160405302, now seen corresponding path program 1 times [2020-12-22 08:07:53,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:07:53,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122338316] [2020-12-22 08:07:53,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:07:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:07:53,892 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 08:07:53,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122338316] [2020-12-22 08:07:53,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:07:53,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:07:53,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042607742] [2020-12-22 08:07:53,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:07:53,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:07:53,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:07:53,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:53,896 INFO L87 Difference]: Start difference. First operand 58931 states and 88014 transitions. Second operand 3 states. [2020-12-22 08:07:59,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:07:59,428 INFO L93 Difference]: Finished difference Result 173385 states and 258504 transitions. [2020-12-22 08:07:59,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:07:59,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2020-12-22 08:07:59,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:07:59,733 INFO L225 Difference]: With dead ends: 173385 [2020-12-22 08:07:59,734 INFO L226 Difference]: Without dead ends: 115477 [2020-12-22 08:07:59,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:07:59,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115477 states. [2020-12-22 08:08:06,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115477 to 115361. [2020-12-22 08:08:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115361 states. [2020-12-22 08:08:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115361 states to 115361 states and 171130 transitions. [2020-12-22 08:08:06,425 INFO L78 Accepts]: Start accepts. Automaton has 115361 states and 171130 transitions. Word has length 300 [2020-12-22 08:08:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:08:06,426 INFO L481 AbstractCegarLoop]: Abstraction has 115361 states and 171130 transitions. [2020-12-22 08:08:06,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:08:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 115361 states and 171130 transitions. [2020-12-22 08:08:06,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-22 08:08:06,536 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:08:06,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:08:06,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 08:08:06,537 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:08:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:08:06,538 INFO L82 PathProgramCache]: Analyzing trace with hash 776166342, now seen corresponding path program 1 times [2020-12-22 08:08:06,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:08:06,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617016918] [2020-12-22 08:08:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:08:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:08:06,716 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 08:08:06,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617016918] [2020-12-22 08:08:06,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:08:06,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:08:06,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219320805] [2020-12-22 08:08:06,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:08:06,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:08:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:08:06,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:08:06,720 INFO L87 Difference]: Start difference. First operand 115361 states and 171130 transitions. Second operand 3 states. [2020-12-22 08:08:17,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:08:17,825 INFO L93 Difference]: Finished difference Result 344829 states and 511322 transitions. [2020-12-22 08:08:17,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:08:17,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-12-22 08:08:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:08:18,225 INFO L225 Difference]: With dead ends: 344829 [2020-12-22 08:08:18,225 INFO L226 Difference]: Without dead ends: 230151 [2020-12-22 08:08:18,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:08:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230151 states. [2020-12-22 08:08:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230151 to 115523. [2020-12-22 08:08:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115523 states. [2020-12-22 08:08:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115523 states to 115523 states and 171316 transitions. [2020-12-22 08:08:26,652 INFO L78 Accepts]: Start accepts. Automaton has 115523 states and 171316 transitions. Word has length 301 [2020-12-22 08:08:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:08:26,653 INFO L481 AbstractCegarLoop]: Abstraction has 115523 states and 171316 transitions. [2020-12-22 08:08:26,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:08:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 115523 states and 171316 transitions. [2020-12-22 08:08:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-12-22 08:08:26,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:08:26,746 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:08:26,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 08:08:26,747 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:08:26,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:08:26,747 INFO L82 PathProgramCache]: Analyzing trace with hash 2052765521, now seen corresponding path program 1 times [2020-12-22 08:08:26,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:08:26,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457090527] [2020-12-22 08:08:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:08:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:08:26,937 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 08:08:26,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457090527] [2020-12-22 08:08:26,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:08:26,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 08:08:26,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135634392] [2020-12-22 08:08:26,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 08:08:26,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:08:26,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 08:08:26,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:08:26,941 INFO L87 Difference]: Start difference. First operand 115523 states and 171316 transitions. Second operand 3 states. [2020-12-22 08:08:38,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:08:38,723 INFO L93 Difference]: Finished difference Result 327849 states and 485354 transitions. [2020-12-22 08:08:38,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 08:08:38,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 302 [2020-12-22 08:08:38,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:08:39,042 INFO L225 Difference]: With dead ends: 327849 [2020-12-22 08:08:39,042 INFO L226 Difference]: Without dead ends: 213869 [2020-12-22 08:08:39,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 08:08:39,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213869 states. [2020-12-22 08:08:52,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213869 to 213753. [2020-12-22 08:08:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213753 states. [2020-12-22 08:08:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213753 states to 213753 states and 314526 transitions. [2020-12-22 08:08:52,817 INFO L78 Accepts]: Start accepts. Automaton has 213753 states and 314526 transitions. Word has length 302 [2020-12-22 08:08:52,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 08:08:52,818 INFO L481 AbstractCegarLoop]: Abstraction has 213753 states and 314526 transitions. [2020-12-22 08:08:52,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 08:08:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 213753 states and 314526 transitions. [2020-12-22 08:08:53,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-12-22 08:08:53,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 08:08:53,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:08:53,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 08:08:53,332 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 08:08:53,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 08:08:53,332 INFO L82 PathProgramCache]: Analyzing trace with hash 340798830, now seen corresponding path program 1 times [2020-12-22 08:08:53,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 08:08:53,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576839353] [2020-12-22 08:08:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 08:08:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 08:08:53,799 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 08:08:53,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576839353] [2020-12-22 08:08:53,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 08:08:53,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 08:08:53,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394261613] [2020-12-22 08:08:53,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 08:08:53,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 08:08:53,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 08:08:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:08:53,802 INFO L87 Difference]: Start difference. First operand 213753 states and 314526 transitions. Second operand 5 states. [2020-12-22 08:09:18,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 08:09:18,058 INFO L93 Difference]: Finished difference Result 629841 states and 924996 transitions. [2020-12-22 08:09:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 08:09:18,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 302 [2020-12-22 08:09:18,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 08:09:18,971 INFO L225 Difference]: With dead ends: 629841 [2020-12-22 08:09:18,972 INFO L226 Difference]: Without dead ends: 416707 [2020-12-22 08:09:19,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 08:09:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416707 states.