/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:17:35,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:17:35,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:17:35,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-15 22:17:35,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:17:35,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:17:35,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:17:35,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:17:35,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:17:35,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:17:35,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:17:35,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:17:35,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:17:35,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:17:35,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:17:35,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:17:35,508 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:17:35,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:17:35,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:17:35,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:17:35,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:17:35,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:17:35,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:17:35,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:17:35,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:17:35,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:17:35,511 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:17:35,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:17:35,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:17:35,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:17:35,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:17:35,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:17:35,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:17:35,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:17:35,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:35,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:17:35,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:17:35,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:17:35,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:17:35,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:17:35,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:17:35,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:17:35,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:17:35,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:17:35,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:17:35,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:17:35,997 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:17:35,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:17:36,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e289a65f/f9d6c17b517646f39f0ea7a38022bc81/FLAG0ec32a368 [2022-10-15 22:17:37,014 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:17:37,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:17:37,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e289a65f/f9d6c17b517646f39f0ea7a38022bc81/FLAG0ec32a368 [2022-10-15 22:17:37,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e289a65f/f9d6c17b517646f39f0ea7a38022bc81 [2022-10-15 22:17:37,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:17:37,211 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:17:37,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:37,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:17:37,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:17:37,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9132d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:37, skipping insertion in model container [2022-10-15 22:17:37,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:17:37" (1/1) ... [2022-10-15 22:17:37,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:17:37,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:17:37,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-10-15 22:17:37,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-10-15 22:17:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-10-15 22:17:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-10-15 22:17:37,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-10-15 22:17:37,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-10-15 22:17:37,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-10-15 22:17:37,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-10-15 22:17:37,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-10-15 22:17:37,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-10-15 22:17:37,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-10-15 22:17:37,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-10-15 22:17:37,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-10-15 22:17:37,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-10-15 22:17:38,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-10-15 22:17:38,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-10-15 22:17:38,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:38,400 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:17:38,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[11561,11574] [2022-10-15 22:17:38,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[15618,15631] [2022-10-15 22:17:38,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[16839,16852] [2022-10-15 22:17:38,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[17545,17558] [2022-10-15 22:17:38,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19131,19144] [2022-10-15 22:17:38,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[19837,19850] [2022-10-15 22:17:38,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20908,20921] [2022-10-15 22:17:38,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23398,23411] [2022-10-15 22:17:38,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[24107,24120] [2022-10-15 22:17:38,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[25144,25157] [2022-10-15 22:17:38,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[27082,27095] [2022-10-15 22:17:38,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31116,31129] [2022-10-15 22:17:38,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[31825,31838] [2022-10-15 22:17:38,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[32899,32912] [2022-10-15 22:17:38,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[34874,34887] [2022-10-15 22:17:38,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[38255,38268] [2022-10-15 22:17:38,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:17:38,773 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:17:38,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38 WrapperNode [2022-10-15 22:17:38,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:17:38,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:38,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:17:38,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:17:38,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:38,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:38,986 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4349 [2022-10-15 22:17:38,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:17:38,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:17:38,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:17:38,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:17:39,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:17:39,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:17:39,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:17:39,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:17:39,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (1/1) ... [2022-10-15 22:17:39,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:17:39,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:17:39,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:17:39,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:17:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:17:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:17:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:17:39,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:17:39,725 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:17:39,728 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:17:42,879 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:17:42,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:17:42,901 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:17:42,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:42 BoogieIcfgContainer [2022-10-15 22:17:42,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:17:42,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:17:42,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:17:42,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:17:42,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:17:37" (1/3) ... [2022-10-15 22:17:42,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6bfb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:42, skipping insertion in model container [2022-10-15 22:17:42,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:17:38" (2/3) ... [2022-10-15 22:17:42,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6bfb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:17:42, skipping insertion in model container [2022-10-15 22:17:42,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:17:42" (3/3) ... [2022-10-15 22:17:42,917 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:17:42,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:17:42,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 864 error locations. [2022-10-15 22:17:43,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:17:43,066 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f713e13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:17:43,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 864 error locations. [2022-10-15 22:17:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 2325 states, 1460 states have (on average 1.9363013698630136) internal successors, (2827), 2324 states have internal predecessors, (2827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:43,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 22:17:43,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:43,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:43,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr846ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:43,133 INFO L85 PathProgramCache]: Analyzing trace with hash 34447885, now seen corresponding path program 1 times [2022-10-15 22:17:43,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:43,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100803753] [2022-10-15 22:17:43,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:43,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:43,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:43,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100803753] [2022-10-15 22:17:43,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100803753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:43,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:43,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214052059] [2022-10-15 22:17:43,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:43,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:43,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:43,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:43,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:43,935 INFO L87 Difference]: Start difference. First operand has 2325 states, 1460 states have (on average 1.9363013698630136) internal successors, (2827), 2324 states have internal predecessors, (2827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:46,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:46,369 INFO L93 Difference]: Finished difference Result 2569 states and 3145 transitions. [2022-10-15 22:17:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:17:46,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-15 22:17:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:46,404 INFO L225 Difference]: With dead ends: 2569 [2022-10-15 22:17:46,404 INFO L226 Difference]: Without dead ends: 2460 [2022-10-15 22:17:46,411 INFO L412 NwaCegarLoop]: 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 [2022-10-15 22:17:46,416 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 4523 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4523 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:46,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4523 Valid, 2117 Invalid, 2372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 22:17:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2022-10-15 22:17:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2319. [2022-10-15 22:17:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 1531 states have (on average 1.651861528412802) internal successors, (2529), 2318 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 2529 transitions. [2022-10-15 22:17:46,576 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 2529 transitions. Word has length 46 [2022-10-15 22:17:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:46,577 INFO L495 AbstractCegarLoop]: Abstraction has 2319 states and 2529 transitions. [2022-10-15 22:17:46,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2529 transitions. [2022-10-15 22:17:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 22:17:46,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:46,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:17:46,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr847ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1067888766, now seen corresponding path program 1 times [2022-10-15 22:17:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:46,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395539963] [2022-10-15 22:17:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:46,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:46,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395539963] [2022-10-15 22:17:46,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395539963] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:46,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:46,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:17:46,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837283643] [2022-10-15 22:17:46,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:46,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:17:46,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:17:46,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:17:46,745 INFO L87 Difference]: Start difference. First operand 2319 states and 2529 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:48,395 INFO L93 Difference]: Finished difference Result 2435 states and 2683 transitions. [2022-10-15 22:17:48,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:17:48,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-15 22:17:48,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:48,411 INFO L225 Difference]: With dead ends: 2435 [2022-10-15 22:17:48,411 INFO L226 Difference]: Without dead ends: 2344 [2022-10-15 22:17:48,413 INFO L412 NwaCegarLoop]: 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 [2022-10-15 22:17:48,415 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 4364 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4364 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 1795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:48,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4364 Valid, 1060 Invalid, 1795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 22:17:48,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2022-10-15 22:17:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2322. [2022-10-15 22:17:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2322 states, 1622 states have (on average 1.5961775585696671) internal successors, (2589), 2321 states have internal predecessors, (2589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 2589 transitions. [2022-10-15 22:17:48,489 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 2589 transitions. Word has length 47 [2022-10-15 22:17:48,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:48,490 INFO L495 AbstractCegarLoop]: Abstraction has 2322 states and 2589 transitions. [2022-10-15 22:17:48,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2589 transitions. [2022-10-15 22:17:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:17:48,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:48,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:48,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:17:48,494 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr848ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:48,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:48,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1255182289, now seen corresponding path program 1 times [2022-10-15 22:17:48,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:48,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042565895] [2022-10-15 22:17:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:48,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:48,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042565895] [2022-10-15 22:17:48,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042565895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:48,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:48,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106303238] [2022-10-15 22:17:48,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:48,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:48,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:48,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:48,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:48,664 INFO L87 Difference]: Start difference. First operand 2322 states and 2589 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:50,670 INFO L93 Difference]: Finished difference Result 2570 states and 2888 transitions. [2022-10-15 22:17:50,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:17:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-10-15 22:17:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:50,686 INFO L225 Difference]: With dead ends: 2570 [2022-10-15 22:17:50,686 INFO L226 Difference]: Without dead ends: 2496 [2022-10-15 22:17:50,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:17:50,689 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 5174 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 2322 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:50,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 2322 Invalid, 2645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:17:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2022-10-15 22:17:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2342. [2022-10-15 22:17:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 1713 states have (on average 1.5545826036193813) internal successors, (2663), 2341 states have internal predecessors, (2663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 2663 transitions. [2022-10-15 22:17:50,764 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 2663 transitions. Word has length 48 [2022-10-15 22:17:50,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:50,765 INFO L495 AbstractCegarLoop]: Abstraction has 2342 states and 2663 transitions. [2022-10-15 22:17:50,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2663 transitions. [2022-10-15 22:17:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 22:17:50,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:50,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:50,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:17:50,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr849ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:50,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:50,769 INFO L85 PathProgramCache]: Analyzing trace with hash -255940960, now seen corresponding path program 1 times [2022-10-15 22:17:50,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:50,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028869661] [2022-10-15 22:17:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:50,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:50,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:50,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028869661] [2022-10-15 22:17:50,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028869661] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:50,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:50,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:17:50,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187680189] [2022-10-15 22:17:50,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:50,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:17:50,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:50,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:17:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:17:50,957 INFO L87 Difference]: Start difference. First operand 2342 states and 2663 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:52,764 INFO L93 Difference]: Finished difference Result 2477 states and 2814 transitions. [2022-10-15 22:17:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:17:52,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2022-10-15 22:17:52,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:52,778 INFO L225 Difference]: With dead ends: 2477 [2022-10-15 22:17:52,778 INFO L226 Difference]: Without dead ends: 2394 [2022-10-15 22:17:52,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:17:52,782 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 5970 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5970 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:52,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5970 Valid, 1403 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:17:52,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2022-10-15 22:17:52,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2353. [2022-10-15 22:17:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2353 states, 1804 states have (on average 1.5105321507760532) internal successors, (2725), 2352 states have internal predecessors, (2725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 2725 transitions. [2022-10-15 22:17:52,871 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 2725 transitions. Word has length 49 [2022-10-15 22:17:52,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:52,871 INFO L495 AbstractCegarLoop]: Abstraction has 2353 states and 2725 transitions. [2022-10-15 22:17:52,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2725 transitions. [2022-10-15 22:17:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:17:52,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:52,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:52,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:17:52,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr850ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:52,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:52,875 INFO L85 PathProgramCache]: Analyzing trace with hash 655769169, now seen corresponding path program 1 times [2022-10-15 22:17:52,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:52,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619070000] [2022-10-15 22:17:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:52,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:53,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:53,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619070000] [2022-10-15 22:17:53,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619070000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:53,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:53,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:53,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553000760] [2022-10-15 22:17:53,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:53,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:53,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:53,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:53,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:53,041 INFO L87 Difference]: Start difference. First operand 2353 states and 2725 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:55,405 INFO L93 Difference]: Finished difference Result 2699 states and 3166 transitions. [2022-10-15 22:17:55,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:17:55,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-10-15 22:17:55,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:55,421 INFO L225 Difference]: With dead ends: 2699 [2022-10-15 22:17:55,421 INFO L226 Difference]: Without dead ends: 2628 [2022-10-15 22:17:55,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:55,424 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 6107 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 3021 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6107 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 3156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:55,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6107 Valid, 2959 Invalid, 3156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3021 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-15 22:17:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2022-10-15 22:17:55,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2376. [2022-10-15 22:17:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 1895 states have (on average 1.4754617414248021) internal successors, (2796), 2375 states have internal predecessors, (2796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 2796 transitions. [2022-10-15 22:17:55,513 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 2796 transitions. Word has length 50 [2022-10-15 22:17:55,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:55,513 INFO L495 AbstractCegarLoop]: Abstraction has 2376 states and 2796 transitions. [2022-10-15 22:17:55,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 2796 transitions. [2022-10-15 22:17:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-15 22:17:55,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:55,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:55,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:17:55,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr851ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:55,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:55,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1145987902, now seen corresponding path program 1 times [2022-10-15 22:17:55,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:55,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207977855] [2022-10-15 22:17:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:55,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:55,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:55,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207977855] [2022-10-15 22:17:55,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207977855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:55,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:55,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:17:55,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970970866] [2022-10-15 22:17:55,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:55,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:17:55,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:55,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:17:55,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:17:55,755 INFO L87 Difference]: Start difference. First operand 2376 states and 2796 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:17:57,772 INFO L93 Difference]: Finished difference Result 2618 states and 3089 transitions. [2022-10-15 22:17:57,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:17:57,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-10-15 22:17:57,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:17:57,788 INFO L225 Difference]: With dead ends: 2618 [2022-10-15 22:17:57,789 INFO L226 Difference]: Without dead ends: 2541 [2022-10-15 22:17:57,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:17:57,793 INFO L413 NwaCegarLoop]: 975 mSDtfsCounter, 7008 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7008 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:17:57,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7008 Valid, 1895 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 22:17:57,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2022-10-15 22:17:57,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2484. [2022-10-15 22:17:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2484 states, 2077 states have (on average 1.4458353394318728) internal successors, (3003), 2483 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 3003 transitions. [2022-10-15 22:17:57,927 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 3003 transitions. Word has length 51 [2022-10-15 22:17:57,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:17:57,929 INFO L495 AbstractCegarLoop]: Abstraction has 2484 states and 3003 transitions. [2022-10-15 22:17:57,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:17:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3003 transitions. [2022-10-15 22:17:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 22:17:57,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:17:57,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:17:57,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:17:57,934 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr852ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:17:57,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:17:57,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1165882253, now seen corresponding path program 1 times [2022-10-15 22:17:57,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:17:57,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724343322] [2022-10-15 22:17:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:17:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:17:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:17:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:17:58,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:17:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724343322] [2022-10-15 22:17:58,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724343322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:17:58,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:17:58,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:17:58,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239027582] [2022-10-15 22:17:58,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:17:58,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:17:58,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:17:58,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:17:58,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:17:58,207 INFO L87 Difference]: Start difference. First operand 2484 states and 3003 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:01,365 INFO L93 Difference]: Finished difference Result 4646 states and 6211 transitions. [2022-10-15 22:18:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-15 22:18:01,366 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-15 22:18:01,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:01,389 INFO L225 Difference]: With dead ends: 4646 [2022-10-15 22:18:01,389 INFO L226 Difference]: Without dead ends: 3824 [2022-10-15 22:18:01,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-15 22:18:01,394 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 7001 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 4013 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7001 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 4013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:01,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7001 Valid, 4568 Invalid, 4180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 4013 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-15 22:18:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2022-10-15 22:18:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3146. [2022-10-15 22:18:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 2805 states have (on average 1.4463458110516934) internal successors, (4057), 3145 states have internal predecessors, (4057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4057 transitions. [2022-10-15 22:18:01,576 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4057 transitions. Word has length 52 [2022-10-15 22:18:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:01,576 INFO L495 AbstractCegarLoop]: Abstraction has 3146 states and 4057 transitions. [2022-10-15 22:18:01,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4057 transitions. [2022-10-15 22:18:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:18:01,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:01,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:01,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:18:01,579 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr853ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:01,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1782607132, now seen corresponding path program 1 times [2022-10-15 22:18:01,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:01,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650868107] [2022-10-15 22:18:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:01,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:01,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650868107] [2022-10-15 22:18:01,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650868107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:01,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:01,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:18:01,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669921861] [2022-10-15 22:18:01,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:01,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:18:01,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:01,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:18:01,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:01,737 INFO L87 Difference]: Start difference. First operand 3146 states and 4057 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:04,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:04,415 INFO L93 Difference]: Finished difference Result 3905 states and 5082 transitions. [2022-10-15 22:18:04,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 22:18:04,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-15 22:18:04,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:04,436 INFO L225 Difference]: With dead ends: 3905 [2022-10-15 22:18:04,436 INFO L226 Difference]: Without dead ends: 3831 [2022-10-15 22:18:04,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-15 22:18:04,439 INFO L413 NwaCegarLoop]: 980 mSDtfsCounter, 8266 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8266 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:04,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8266 Valid, 2375 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 22:18:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2022-10-15 22:18:04,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3713. [2022-10-15 22:18:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3713 states, 3442 states have (on average 1.4418942475305054) internal successors, (4963), 3712 states have internal predecessors, (4963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3713 states and 4963 transitions. [2022-10-15 22:18:04,670 INFO L78 Accepts]: Start accepts. Automaton has 3713 states and 4963 transitions. Word has length 53 [2022-10-15 22:18:04,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:04,671 INFO L495 AbstractCegarLoop]: Abstraction has 3713 states and 4963 transitions. [2022-10-15 22:18:04,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3713 states and 4963 transitions. [2022-10-15 22:18:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:18:04,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:04,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:04,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:18:04,676 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr862ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:04,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1229205258, now seen corresponding path program 1 times [2022-10-15 22:18:04,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:04,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748621825] [2022-10-15 22:18:04,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:04,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:04,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748621825] [2022-10-15 22:18:04,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748621825] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:04,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:04,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:04,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939187499] [2022-10-15 22:18:04,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:04,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:04,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:04,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:04,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:04,850 INFO L87 Difference]: Start difference. First operand 3713 states and 4963 transitions. Second operand has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:05,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:05,163 INFO L93 Difference]: Finished difference Result 3713 states and 4963 transitions. [2022-10-15 22:18:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:05,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:18:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:05,194 INFO L225 Difference]: With dead ends: 3713 [2022-10-15 22:18:05,195 INFO L226 Difference]: Without dead ends: 3649 [2022-10-15 22:18:05,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:05,201 INFO L413 NwaCegarLoop]: 1699 mSDtfsCounter, 797 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 2619 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:05,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 2619 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:18:05,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3649 states. [2022-10-15 22:18:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3649 to 3649. [2022-10-15 22:18:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3649 states, 3442 states have (on average 1.4233004067402673) internal successors, (4899), 3648 states have internal predecessors, (4899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 4899 transitions. [2022-10-15 22:18:05,435 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 4899 transitions. Word has length 67 [2022-10-15 22:18:05,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:05,436 INFO L495 AbstractCegarLoop]: Abstraction has 3649 states and 4899 transitions. [2022-10-15 22:18:05,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.5) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4899 transitions. [2022-10-15 22:18:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 22:18:05,439 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:05,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:05,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:18:05,440 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash -879305811, now seen corresponding path program 1 times [2022-10-15 22:18:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:05,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540959333] [2022-10-15 22:18:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:05,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:05,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540959333] [2022-10-15 22:18:05,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540959333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:05,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:05,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:05,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406474582] [2022-10-15 22:18:05,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:05,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:05,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:05,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:05,602 INFO L87 Difference]: Start difference. First operand 3649 states and 4899 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:05,816 INFO L93 Difference]: Finished difference Result 3649 states and 4899 transitions. [2022-10-15 22:18:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:05,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 22:18:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:05,828 INFO L225 Difference]: With dead ends: 3649 [2022-10-15 22:18:05,829 INFO L226 Difference]: Without dead ends: 3647 [2022-10-15 22:18:05,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:05,831 INFO L413 NwaCegarLoop]: 1712 mSDtfsCounter, 1721 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:05,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 1712 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:18:05,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3647 states. [2022-10-15 22:18:05,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3647 to 3647. [2022-10-15 22:18:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3647 states, 3442 states have (on average 1.4163277164439279) internal successors, (4875), 3646 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 4875 transitions. [2022-10-15 22:18:06,017 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 4875 transitions. Word has length 72 [2022-10-15 22:18:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:06,018 INFO L495 AbstractCegarLoop]: Abstraction has 3647 states and 4875 transitions. [2022-10-15 22:18:06,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 4875 transitions. [2022-10-15 22:18:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-15 22:18:06,021 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:06,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:06,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:18:06,022 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:06,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1488676112, now seen corresponding path program 1 times [2022-10-15 22:18:06,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:06,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028458205] [2022-10-15 22:18:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:06,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:06,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028458205] [2022-10-15 22:18:06,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028458205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:06,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:06,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:18:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611687922] [2022-10-15 22:18:06,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:06,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:18:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:18:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:06,129 INFO L87 Difference]: Start difference. First operand 3647 states and 4875 transitions. Second operand has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:06,378 INFO L93 Difference]: Finished difference Result 3647 states and 4875 transitions. [2022-10-15 22:18:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:18:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-15 22:18:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:06,386 INFO L225 Difference]: With dead ends: 3647 [2022-10-15 22:18:06,387 INFO L226 Difference]: Without dead ends: 3645 [2022-10-15 22:18:06,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:18:06,397 INFO L413 NwaCegarLoop]: 1712 mSDtfsCounter, 1718 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:06,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 1712 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:18:06,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3645 states. [2022-10-15 22:18:06,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3645 to 3645. [2022-10-15 22:18:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3645 states, 3442 states have (on average 1.4093550261475887) internal successors, (4851), 3644 states have internal predecessors, (4851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3645 states and 4851 transitions. [2022-10-15 22:18:06,665 INFO L78 Accepts]: Start accepts. Automaton has 3645 states and 4851 transitions. Word has length 73 [2022-10-15 22:18:06,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:06,665 INFO L495 AbstractCegarLoop]: Abstraction has 3645 states and 4851 transitions. [2022-10-15 22:18:06,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3645 states and 4851 transitions. [2022-10-15 22:18:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:18:06,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:06,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:06,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:18:06,670 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr210ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:06,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:06,671 INFO L85 PathProgramCache]: Analyzing trace with hash 906596264, now seen corresponding path program 1 times [2022-10-15 22:18:06,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:06,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745995681] [2022-10-15 22:18:06,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:06,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:06,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:06,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745995681] [2022-10-15 22:18:06,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745995681] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:06,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:06,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:06,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994897513] [2022-10-15 22:18:06,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:06,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:06,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:06,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:06,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:06,830 INFO L87 Difference]: Start difference. First operand 3645 states and 4851 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:08,349 INFO L93 Difference]: Finished difference Result 3961 states and 5296 transitions. [2022-10-15 22:18:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-15 22:18:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:08,355 INFO L225 Difference]: With dead ends: 3961 [2022-10-15 22:18:08,356 INFO L226 Difference]: Without dead ends: 3950 [2022-10-15 22:18:08,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:08,357 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 1539 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 1825 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:08,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 1825 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:18:08,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3950 states. [2022-10-15 22:18:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 3910. [2022-10-15 22:18:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 3715 states have (on average 1.4209959623149395) internal successors, (5279), 3909 states have internal predecessors, (5279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:08,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5279 transitions. [2022-10-15 22:18:08,585 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5279 transitions. Word has length 89 [2022-10-15 22:18:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:08,586 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 5279 transitions. [2022-10-15 22:18:08,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5279 transitions. [2022-10-15 22:18:08,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:18:08,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:08,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:08,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:18:08,590 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr146ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:08,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:08,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1394736884, now seen corresponding path program 1 times [2022-10-15 22:18:08,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:08,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191155506] [2022-10-15 22:18:08,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:08,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:08,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:08,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191155506] [2022-10-15 22:18:08,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191155506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:08,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:08,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:08,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161156044] [2022-10-15 22:18:08,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:08,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:08,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:08,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:08,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:08,768 INFO L87 Difference]: Start difference. First operand 3910 states and 5279 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:10,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:10,354 INFO L93 Difference]: Finished difference Result 4769 states and 6560 transitions. [2022-10-15 22:18:10,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:10,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-15 22:18:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:10,363 INFO L225 Difference]: With dead ends: 4769 [2022-10-15 22:18:10,364 INFO L226 Difference]: Without dead ends: 4758 [2022-10-15 22:18:10,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:10,367 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 1719 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:10,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1719 Valid, 1892 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-15 22:18:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4758 states. [2022-10-15 22:18:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4758 to 4721. [2022-10-15 22:18:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4721 states, 4534 states have (on average 1.4391265990295545) internal successors, (6525), 4720 states have internal predecessors, (6525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 4721 states and 6525 transitions. [2022-10-15 22:18:10,664 INFO L78 Accepts]: Start accepts. Automaton has 4721 states and 6525 transitions. Word has length 89 [2022-10-15 22:18:10,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:10,664 INFO L495 AbstractCegarLoop]: Abstraction has 4721 states and 6525 transitions. [2022-10-15 22:18:10,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4721 states and 6525 transitions. [2022-10-15 22:18:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:18:10,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:10,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:18:10,668 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr211ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1960285401, now seen corresponding path program 1 times [2022-10-15 22:18:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478804364] [2022-10-15 22:18:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:10,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:10,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478804364] [2022-10-15 22:18:10,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478804364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:10,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:10,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:10,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032044122] [2022-10-15 22:18:10,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:10,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:10,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:10,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:10,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:10,839 INFO L87 Difference]: Start difference. First operand 4721 states and 6525 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:12,411 INFO L93 Difference]: Finished difference Result 4741 states and 6525 transitions. [2022-10-15 22:18:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-15 22:18:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:12,423 INFO L225 Difference]: With dead ends: 4741 [2022-10-15 22:18:12,423 INFO L226 Difference]: Without dead ends: 4730 [2022-10-15 22:18:12,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:12,427 INFO L413 NwaCegarLoop]: 718 mSDtfsCounter, 1830 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:12,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 1295 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 22:18:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4730 states. [2022-10-15 22:18:12,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4730 to 4710. [2022-10-15 22:18:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4710 states, 4534 states have (on average 1.433392148213498) internal successors, (6499), 4709 states have internal predecessors, (6499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 4710 states and 6499 transitions. [2022-10-15 22:18:12,807 INFO L78 Accepts]: Start accepts. Automaton has 4710 states and 6499 transitions. Word has length 90 [2022-10-15 22:18:12,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:12,808 INFO L495 AbstractCegarLoop]: Abstraction has 4710 states and 6499 transitions. [2022-10-15 22:18:12,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:12,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 6499 transitions. [2022-10-15 22:18:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:18:12,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:12,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:12,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:18:12,817 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr274ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:12,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash 744336223, now seen corresponding path program 1 times [2022-10-15 22:18:12,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:12,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885541426] [2022-10-15 22:18:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:13,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885541426] [2022-10-15 22:18:13,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885541426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:13,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:13,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:18:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512419487] [2022-10-15 22:18:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:13,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:18:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:18:13,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:13,030 INFO L87 Difference]: Start difference. First operand 4710 states and 6499 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:14,337 INFO L93 Difference]: Finished difference Result 5026 states and 6935 transitions. [2022-10-15 22:18:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:18:14,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-15 22:18:14,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:14,346 INFO L225 Difference]: With dead ends: 5026 [2022-10-15 22:18:14,347 INFO L226 Difference]: Without dead ends: 5019 [2022-10-15 22:18:14,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:18:14,350 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 768 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:14,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 2372 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 22:18:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2022-10-15 22:18:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 4706. [2022-10-15 22:18:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4706 states, 4534 states have (on average 1.4265549183943538) internal successors, (6468), 4705 states have internal predecessors, (6468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:14,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4706 states and 6468 transitions. [2022-10-15 22:18:14,711 INFO L78 Accepts]: Start accepts. Automaton has 4706 states and 6468 transitions. Word has length 90 [2022-10-15 22:18:14,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:14,711 INFO L495 AbstractCegarLoop]: Abstraction has 4706 states and 6468 transitions. [2022-10-15 22:18:14,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 6468 transitions. [2022-10-15 22:18:14,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:18:14,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:14,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:14,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:18:14,720 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr212ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash -639303798, now seen corresponding path program 1 times [2022-10-15 22:18:14,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:14,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392399884] [2022-10-15 22:18:14,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:14,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392399884] [2022-10-15 22:18:14,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392399884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:14,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:14,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:14,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196303067] [2022-10-15 22:18:14,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:14,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:14,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:14,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:14,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:14,948 INFO L87 Difference]: Start difference. First operand 4706 states and 6468 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:16,905 INFO L93 Difference]: Finished difference Result 5303 states and 7322 transitions. [2022-10-15 22:18:16,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:16,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 22:18:16,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:16,921 INFO L225 Difference]: With dead ends: 5303 [2022-10-15 22:18:16,921 INFO L226 Difference]: Without dead ends: 5295 [2022-10-15 22:18:16,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:16,930 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 2788 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:16,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 2320 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:18:16,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-10-15 22:18:17,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 4974. [2022-10-15 22:18:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4974 states, 4807 states have (on average 1.4314541293946328) internal successors, (6881), 4973 states have internal predecessors, (6881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4974 states to 4974 states and 6881 transitions. [2022-10-15 22:18:17,213 INFO L78 Accepts]: Start accepts. Automaton has 4974 states and 6881 transitions. Word has length 91 [2022-10-15 22:18:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:17,214 INFO L495 AbstractCegarLoop]: Abstraction has 4974 states and 6881 transitions. [2022-10-15 22:18:17,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4974 states and 6881 transitions. [2022-10-15 22:18:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:18:17,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:17,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:17,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:18:17,218 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:17,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:17,219 INFO L85 PathProgramCache]: Analyzing trace with hash -573930453, now seen corresponding path program 1 times [2022-10-15 22:18:17,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:17,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785206804] [2022-10-15 22:18:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:17,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:17,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:17,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785206804] [2022-10-15 22:18:17,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785206804] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:17,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:17,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:17,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445426371] [2022-10-15 22:18:17,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:17,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:17,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:17,397 INFO L87 Difference]: Start difference. First operand 4974 states and 6881 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:19,143 INFO L93 Difference]: Finished difference Result 5022 states and 6881 transitions. [2022-10-15 22:18:19,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:19,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 22:18:19,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:19,151 INFO L225 Difference]: With dead ends: 5022 [2022-10-15 22:18:19,152 INFO L226 Difference]: Without dead ends: 5014 [2022-10-15 22:18:19,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:19,154 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 3142 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3142 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:19,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3142 Valid, 2149 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 22:18:19,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5014 states. [2022-10-15 22:18:19,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5014 to 4969. [2022-10-15 22:18:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4969 states, 4807 states have (on average 1.4266694403994176) internal successors, (6858), 4968 states have internal predecessors, (6858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4969 states and 6858 transitions. [2022-10-15 22:18:19,506 INFO L78 Accepts]: Start accepts. Automaton has 4969 states and 6858 transitions. Word has length 91 [2022-10-15 22:18:19,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:19,507 INFO L495 AbstractCegarLoop]: Abstraction has 4969 states and 6858 transitions. [2022-10-15 22:18:19,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 4969 states and 6858 transitions. [2022-10-15 22:18:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:18:19,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:19,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:19,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:18:19,511 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr148ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:19,511 INFO L85 PathProgramCache]: Analyzing trace with hash 312384438, now seen corresponding path program 1 times [2022-10-15 22:18:19,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:19,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577284129] [2022-10-15 22:18:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:19,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:19,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577284129] [2022-10-15 22:18:19,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577284129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:19,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:19,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:19,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983696039] [2022-10-15 22:18:19,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:19,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:19,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:19,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:19,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:19,711 INFO L87 Difference]: Start difference. First operand 4969 states and 6858 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:21,697 INFO L93 Difference]: Finished difference Result 5293 states and 7285 transitions. [2022-10-15 22:18:21,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:21,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 22:18:21,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:21,708 INFO L225 Difference]: With dead ends: 5293 [2022-10-15 22:18:21,708 INFO L226 Difference]: Without dead ends: 5285 [2022-10-15 22:18:21,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:18:21,711 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 2745 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2745 SdHoareTripleChecker+Valid, 2721 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:21,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2745 Valid, 2721 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-15 22:18:21,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2022-10-15 22:18:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5237. [2022-10-15 22:18:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 5080 states have (on average 1.4312992125984252) internal successors, (7271), 5236 states have internal predecessors, (7271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 7271 transitions. [2022-10-15 22:18:22,094 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 7271 transitions. Word has length 91 [2022-10-15 22:18:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:22,095 INFO L495 AbstractCegarLoop]: Abstraction has 5237 states and 7271 transitions. [2022-10-15 22:18:22,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 7271 transitions. [2022-10-15 22:18:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:18:22,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:22,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:22,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:18:22,099 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr252ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:22,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash -978910131, now seen corresponding path program 1 times [2022-10-15 22:18:22,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:22,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391887173] [2022-10-15 22:18:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:22,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:22,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391887173] [2022-10-15 22:18:22,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391887173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:22,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:22,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697707818] [2022-10-15 22:18:22,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:22,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:22,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:22,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:22,285 INFO L87 Difference]: Start difference. First operand 5237 states and 7271 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:18:24,313 INFO L93 Difference]: Finished difference Result 5837 states and 8125 transitions. [2022-10-15 22:18:24,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:18:24,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:18:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:18:24,320 INFO L225 Difference]: With dead ends: 5837 [2022-10-15 22:18:24,320 INFO L226 Difference]: Without dead ends: 5831 [2022-10-15 22:18:24,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:24,323 INFO L413 NwaCegarLoop]: 935 mSDtfsCounter, 1651 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 2490 SdHoareTripleChecker+Invalid, 3098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:18:24,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 2490 Invalid, 3098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-15 22:18:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2022-10-15 22:18:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5507. [2022-10-15 22:18:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5507 states, 5353 states have (on average 1.4375116756958715) internal successors, (7695), 5506 states have internal predecessors, (7695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 5507 states and 7695 transitions. [2022-10-15 22:18:24,671 INFO L78 Accepts]: Start accepts. Automaton has 5507 states and 7695 transitions. Word has length 92 [2022-10-15 22:18:24,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:18:24,671 INFO L495 AbstractCegarLoop]: Abstraction has 5507 states and 7695 transitions. [2022-10-15 22:18:24,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:18:24,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5507 states and 7695 transitions. [2022-10-15 22:18:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:18:24,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:18:24,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:18:24,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:18:24,675 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr213ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 861 more)] === [2022-10-15 22:18:24,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:18:24,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1656420233, now seen corresponding path program 1 times [2022-10-15 22:18:24,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:18:24,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700306679] [2022-10-15 22:18:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:18:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:18:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:18:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:18:24,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:18:24,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700306679] [2022-10-15 22:18:24,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700306679] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:18:24,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:18:24,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:18:24,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936753168] [2022-10-15 22:18:24,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:18:24,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:18:24,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:18:24,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:18:24,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:18:24,841 INFO L87 Difference]: Start difference. First operand 5507 states and 7695 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)