/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.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:29:47,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:29:47,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:29:47,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:29:47,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:29:47,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:29:47,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:29:47,758 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 [2022-10-16 16:29:47,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:29:47,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:29:47,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:29:47,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:29:47,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:29:47,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:29:47,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:29:47,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:29:47,821 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:29:47,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:29:47,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:29:47,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:29:47,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:29:47,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:29:47,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:29:47,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:29:47,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:29:47,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:29:47,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:29:47,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:29:47,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:29:47,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:47,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:29:47,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:29:47,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:29:47,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:29:47,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:29:47,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:29:47,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:29:48,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:29:48,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:29:48,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:29:48,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:29:48,306 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:29:48,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:29:48,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f1552eb/03dc2008fa21484f8e3964c78d8d1c35/FLAGc60562df8 [2022-10-16 16:29:49,271 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:29:49,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:29:49,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f1552eb/03dc2008fa21484f8e3964c78d8d1c35/FLAGc60562df8 [2022-10-16 16:29:49,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70f1552eb/03dc2008fa21484f8e3964c78d8d1c35 [2022-10-16 16:29:49,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:29:49,836 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:29:49,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:49,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:29:49,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:29:49,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:49" (1/1) ... [2022-10-16 16:29:49,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e463e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:49, skipping insertion in model container [2022-10-16 16:29:49,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:29:49" (1/1) ... [2022-10-16 16:29:49,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:29:50,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:29:50,780 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.UNBOUNDED.pals.c.v+sep-reducer.c[33110,33123] [2022-10-16 16:29:50,836 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.UNBOUNDED.pals.c.v+sep-reducer.c[47435,47448] [2022-10-16 16:29:50,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54586,54599] [2022-10-16 16:29:50,886 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.UNBOUNDED.pals.c.v+sep-reducer.c[58145,58158] [2022-10-16 16:29:50,921 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.UNBOUNDED.pals.c.v+sep-reducer.c[61485,61498] [2022-10-16 16:29:51,007 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.UNBOUNDED.pals.c.v+sep-reducer.c[76732,76745] [2022-10-16 16:29:51,034 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.UNBOUNDED.pals.c.v+sep-reducer.c[83878,83891] [2022-10-16 16:29:51,048 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.UNBOUNDED.pals.c.v+sep-reducer.c[87432,87445] [2022-10-16 16:29:51,061 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.UNBOUNDED.pals.c.v+sep-reducer.c[90767,90780] [2022-10-16 16:29:51,082 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.UNBOUNDED.pals.c.v+sep-reducer.c[94900,94913] [2022-10-16 16:29:51,101 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.UNBOUNDED.pals.c.v+sep-reducer.c[98301,98314] [2022-10-16 16:29:51,136 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.UNBOUNDED.pals.c.v+sep-reducer.c[101855,101868] [2022-10-16 16:29:51,151 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.UNBOUNDED.pals.c.v+sep-reducer.c[105190,105203] [2022-10-16 16:29:51,169 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.UNBOUNDED.pals.c.v+sep-reducer.c[108944,108957] [2022-10-16 16:29:51,189 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.UNBOUNDED.pals.c.v+sep-reducer.c[112294,112307] [2022-10-16 16:29:51,219 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.UNBOUNDED.pals.c.v+sep-reducer.c[115829,115842] [2022-10-16 16:29:51,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:51,322 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:29:51,541 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.UNBOUNDED.pals.c.v+sep-reducer.c[33110,33123] [2022-10-16 16:29:51,609 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.UNBOUNDED.pals.c.v+sep-reducer.c[47435,47448] [2022-10-16 16:29:51,636 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.UNBOUNDED.pals.c.v+sep-reducer.c[54586,54599] [2022-10-16 16:29:51,648 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.UNBOUNDED.pals.c.v+sep-reducer.c[58145,58158] [2022-10-16 16:29:51,660 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.UNBOUNDED.pals.c.v+sep-reducer.c[61485,61498] [2022-10-16 16:29:51,714 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.UNBOUNDED.pals.c.v+sep-reducer.c[76732,76745] [2022-10-16 16:29:51,736 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.UNBOUNDED.pals.c.v+sep-reducer.c[83878,83891] [2022-10-16 16:29:51,747 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.UNBOUNDED.pals.c.v+sep-reducer.c[87432,87445] [2022-10-16 16:29:51,758 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.UNBOUNDED.pals.c.v+sep-reducer.c[90767,90780] [2022-10-16 16:29:51,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[94900,94913] [2022-10-16 16:29:51,784 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.UNBOUNDED.pals.c.v+sep-reducer.c[98301,98314] [2022-10-16 16:29:51,797 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.UNBOUNDED.pals.c.v+sep-reducer.c[101855,101868] [2022-10-16 16:29:51,809 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.UNBOUNDED.pals.c.v+sep-reducer.c[105190,105203] [2022-10-16 16:29:51,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[108944,108957] [2022-10-16 16:29:51,838 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.UNBOUNDED.pals.c.v+sep-reducer.c[112294,112307] [2022-10-16 16:29:51,854 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.UNBOUNDED.pals.c.v+sep-reducer.c[115829,115842] [2022-10-16 16:29:51,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:29:51,919 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:29:51,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51 WrapperNode [2022-10-16 16:29:51,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:29:51,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:51,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:29:51,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:29:51,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,242 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6261 [2022-10-16 16:29:52,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:29:52,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:29:52,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:29:52,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:29:52,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,390 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:29:52,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:29:52,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:29:52,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:29:52,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (1/1) ... [2022-10-16 16:29:52,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:29:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:29:52,501 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) [2022-10-16 16:29:52,527 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 [2022-10-16 16:29:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:29:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:29:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:29:52,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:29:53,059 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:29:53,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:29:57,294 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:29:57,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:29:57,335 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:29:57,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:57 BoogieIcfgContainer [2022-10-16 16:29:57,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:29:57,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:29:57,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:29:57,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:29:57,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:29:49" (1/3) ... [2022-10-16 16:29:57,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3ac8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:57, skipping insertion in model container [2022-10-16 16:29:57,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:29:51" (2/3) ... [2022-10-16 16:29:57,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3ac8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:29:57, skipping insertion in model container [2022-10-16 16:29:57,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:29:57" (3/3) ... [2022-10-16 16:29:57,354 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:29:57,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:29:57,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 858 error locations. [2022-10-16 16:29:57,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:29:57,565 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;@5b15c8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:29:57,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 858 error locations. [2022-10-16 16:29:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 2794 states, 1935 states have (on average 1.902842377260982) internal successors, (3682), 2793 states have internal predecessors, (3682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:29:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:29:57,599 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:29:57,600 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] [2022-10-16 16:29:57,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr822ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:29:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:29:57,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1994807703, now seen corresponding path program 1 times [2022-10-16 16:29:57,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:29:57,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196847319] [2022-10-16 16:29:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:29:57,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:29:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:29:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:29:58,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:29:58,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196847319] [2022-10-16 16:29:58,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196847319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:29:58,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:29:58,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:29:58,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166346506] [2022-10-16 16:29:58,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:29:58,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:29:58,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:29:58,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:29:58,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:29:58,284 INFO L87 Difference]: Start difference. First operand has 2794 states, 1935 states have (on average 1.902842377260982) internal successors, (3682), 2793 states have internal predecessors, (3682), 0 states have call successors, (0), 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 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:00,807 INFO L93 Difference]: Finished difference Result 3022 states and 3988 transitions. [2022-10-16 16:30:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 16:30:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:00,846 INFO L225 Difference]: With dead ends: 3022 [2022-10-16 16:30:00,847 INFO L226 Difference]: Without dead ends: 2847 [2022-10-16 16:30:00,855 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 [2022-10-16 16:30:00,860 INFO L413 NwaCegarLoop]: 2191 mSDtfsCounter, 5361 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 3559 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:00,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5361 Valid, 3559 Invalid, 2416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [103 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:30:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2022-10-16 16:30:01,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2718. [2022-10-16 16:30:01,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2002 states have (on average 1.534965034965035) internal successors, (3073), 2717 states have internal predecessors, (3073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3073 transitions. [2022-10-16 16:30:01,038 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3073 transitions. Word has length 45 [2022-10-16 16:30:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:01,040 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3073 transitions. [2022-10-16 16:30:01,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3073 transitions. [2022-10-16 16:30:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:30:01,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:01,045 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] [2022-10-16 16:30:01,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:30:01,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr823ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:01,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1709490446, now seen corresponding path program 1 times [2022-10-16 16:30:01,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:01,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896780500] [2022-10-16 16:30:01,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:01,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:01,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:01,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:01,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896780500] [2022-10-16 16:30:01,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896780500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:01,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:01,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:01,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259810633] [2022-10-16 16:30:01,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:01,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:01,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:01,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:01,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:01,328 INFO L87 Difference]: Start difference. First operand 2718 states and 3073 transitions. 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) [2022-10-16 16:30:03,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:03,020 INFO L93 Difference]: Finished difference Result 2826 states and 3220 transitions. [2022-10-16 16:30:03,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:03,021 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 [2022-10-16 16:30:03,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:03,037 INFO L225 Difference]: With dead ends: 2826 [2022-10-16 16:30:03,037 INFO L226 Difference]: Without dead ends: 2735 [2022-10-16 16:30:03,039 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 [2022-10-16 16:30:03,041 INFO L413 NwaCegarLoop]: 1422 mSDtfsCounter, 5284 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 1702 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 1736 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:03,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5284 Valid, 1736 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:30:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2022-10-16 16:30:03,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2717. [2022-10-16 16:30:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2089 states have (on average 1.4964097654380086) internal successors, (3126), 2716 states have internal predecessors, (3126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3126 transitions. [2022-10-16 16:30:03,138 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3126 transitions. Word has length 46 [2022-10-16 16:30:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:03,138 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3126 transitions. [2022-10-16 16:30:03,139 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) [2022-10-16 16:30:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3126 transitions. [2022-10-16 16:30:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:30:03,141 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:03,141 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] [2022-10-16 16:30:03,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:30:03,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr824ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1454590069, now seen corresponding path program 1 times [2022-10-16 16:30:03,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:03,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256985409] [2022-10-16 16:30:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:03,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:03,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256985409] [2022-10-16 16:30:03,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256985409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:03,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:03,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595155408] [2022-10-16 16:30:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:03,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:03,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:03,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:03,288 INFO L87 Difference]: Start difference. First operand 2717 states and 3126 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-16 16:30:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:05,441 INFO L93 Difference]: Finished difference Result 2945 states and 3411 transitions. [2022-10-16 16:30:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:30:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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 [2022-10-16 16:30:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:05,458 INFO L225 Difference]: With dead ends: 2945 [2022-10-16 16:30:05,458 INFO L226 Difference]: Without dead ends: 2871 [2022-10-16 16:30:05,460 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 [2022-10-16 16:30:05,469 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 6169 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 2564 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 3514 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:05,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 3514 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2564 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:30:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2022-10-16 16:30:05,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2733. [2022-10-16 16:30:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2733 states, 2176 states have (on average 1.4673713235294117) internal successors, (3193), 2732 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2733 states and 3193 transitions. [2022-10-16 16:30:05,579 INFO L78 Accepts]: Start accepts. Automaton has 2733 states and 3193 transitions. Word has length 47 [2022-10-16 16:30:05,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:05,581 INFO L495 AbstractCegarLoop]: Abstraction has 2733 states and 3193 transitions. [2022-10-16 16:30:05,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 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) [2022-10-16 16:30:05,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3193 transitions. [2022-10-16 16:30:05,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:30:05,589 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:05,589 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] [2022-10-16 16:30:05,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:30:05,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr825ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2142612972, now seen corresponding path program 1 times [2022-10-16 16:30:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:05,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965256028] [2022-10-16 16:30:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:05,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:05,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965256028] [2022-10-16 16:30:05,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965256028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:05,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:05,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:05,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200318824] [2022-10-16 16:30:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:05,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:05,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:05,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:05,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:05,755 INFO L87 Difference]: Start difference. First operand 2733 states and 3193 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) [2022-10-16 16:30:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:07,586 INFO L93 Difference]: Finished difference Result 2856 states and 3337 transitions. [2022-10-16 16:30:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:07,587 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 [2022-10-16 16:30:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:07,601 INFO L225 Difference]: With dead ends: 2856 [2022-10-16 16:30:07,601 INFO L226 Difference]: Without dead ends: 2773 [2022-10-16 16:30:07,602 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 [2022-10-16 16:30:07,603 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7046 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7046 SdHoareTripleChecker+Valid, 2305 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:07,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7046 Valid, 2305 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1932 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-10-16 16:30:07,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2740. [2022-10-16 16:30:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2263 states have (on average 1.4352629253203713) internal successors, (3248), 2739 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3248 transitions. [2022-10-16 16:30:07,702 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3248 transitions. Word has length 48 [2022-10-16 16:30:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:07,703 INFO L495 AbstractCegarLoop]: Abstraction has 2740 states and 3248 transitions. [2022-10-16 16:30:07,703 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) [2022-10-16 16:30:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3248 transitions. [2022-10-16 16:30:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:30:07,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:07,705 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] [2022-10-16 16:30:07,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:30:07,705 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr826ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:07,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:07,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1996486483, now seen corresponding path program 1 times [2022-10-16 16:30:07,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:07,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284816979] [2022-10-16 16:30:07,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:07,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:07,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:07,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284816979] [2022-10-16 16:30:07,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284816979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:07,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:07,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:07,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384517675] [2022-10-16 16:30:07,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:07,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:07,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:07,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:07,877 INFO L87 Difference]: Start difference. First operand 2740 states and 3248 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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) [2022-10-16 16:30:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:10,245 INFO L93 Difference]: Finished difference Result 3058 states and 3668 transitions. [2022-10-16 16:30:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:30:10,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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 [2022-10-16 16:30:10,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:10,261 INFO L225 Difference]: With dead ends: 3058 [2022-10-16 16:30:10,262 INFO L226 Difference]: Without dead ends: 2987 [2022-10-16 16:30:10,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:10,264 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 7319 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7319 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:10,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7319 Valid, 4318 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:30:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2987 states. [2022-10-16 16:30:10,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2987 to 2759. [2022-10-16 16:30:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2350 states have (on average 1.4093617021276597) internal successors, (3312), 2758 states have internal predecessors, (3312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3312 transitions. [2022-10-16 16:30:10,413 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3312 transitions. Word has length 49 [2022-10-16 16:30:10,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:10,413 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 3312 transitions. [2022-10-16 16:30:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 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) [2022-10-16 16:30:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3312 transitions. [2022-10-16 16:30:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:30:10,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:10,415 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] [2022-10-16 16:30:10,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:30:10,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr827ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1761532618, now seen corresponding path program 1 times [2022-10-16 16:30:10,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:10,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478788448] [2022-10-16 16:30:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:10,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:10,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478788448] [2022-10-16 16:30:10,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478788448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:10,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:10,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:10,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302403127] [2022-10-16 16:30:10,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:10,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:10,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:10,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:10,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:10,610 INFO L87 Difference]: Start difference. First operand 2759 states and 3312 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) [2022-10-16 16:30:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:12,643 INFO L93 Difference]: Finished difference Result 2981 states and 3591 transitions. [2022-10-16 16:30:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:30:12,644 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 [2022-10-16 16:30:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:12,665 INFO L225 Difference]: With dead ends: 2981 [2022-10-16 16:30:12,665 INFO L226 Difference]: Without dead ends: 2904 [2022-10-16 16:30:12,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:30:12,670 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 8480 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8480 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:12,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8480 Valid, 2962 Invalid, 2469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:30:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2022-10-16 16:30:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2859. [2022-10-16 16:30:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2859 states, 2524 states have (on average 1.3886687797147386) internal successors, (3505), 2858 states have internal predecessors, (3505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2859 states and 3505 transitions. [2022-10-16 16:30:12,792 INFO L78 Accepts]: Start accepts. Automaton has 2859 states and 3505 transitions. Word has length 50 [2022-10-16 16:30:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:12,793 INFO L495 AbstractCegarLoop]: Abstraction has 2859 states and 3505 transitions. [2022-10-16 16:30:12,793 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) [2022-10-16 16:30:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3505 transitions. [2022-10-16 16:30:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:30:12,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:12,795 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] [2022-10-16 16:30:12,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:30:12,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr828ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:12,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1227069903, now seen corresponding path program 1 times [2022-10-16 16:30:12,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:12,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17689862] [2022-10-16 16:30:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:12,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:12,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:12,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17689862] [2022-10-16 16:30:12,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17689862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:12,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:12,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182070910] [2022-10-16 16:30:12,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:12,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:12,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:12,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:12,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:12,993 INFO L87 Difference]: Start difference. First operand 2859 states and 3505 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2022-10-16 16:30:15,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:15,988 INFO L93 Difference]: Finished difference Result 4893 states and 6559 transitions. [2022-10-16 16:30:15,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:30:15,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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 [2022-10-16 16:30:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:16,010 INFO L225 Difference]: With dead ends: 4893 [2022-10-16 16:30:16,010 INFO L226 Difference]: Without dead ends: 4107 [2022-10-16 16:30:16,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:30:16,015 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 8421 mSDsluCounter, 4136 mSDsCounter, 0 mSdLazyCounter, 4031 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8421 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 4198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 4031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:16,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8421 Valid, 5926 Invalid, 4198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 4031 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 16:30:16,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-10-16 16:30:16,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 3489. [2022-10-16 16:30:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 3220 states have (on average 1.398447204968944) internal successors, (4503), 3488 states have internal predecessors, (4503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4503 transitions. [2022-10-16 16:30:16,275 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4503 transitions. Word has length 51 [2022-10-16 16:30:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:16,275 INFO L495 AbstractCegarLoop]: Abstraction has 3489 states and 4503 transitions. [2022-10-16 16:30:16,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 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) [2022-10-16 16:30:16,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4503 transitions. [2022-10-16 16:30:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:30:16,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:16,277 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] [2022-10-16 16:30:16,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:30:16,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr829ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:16,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash -615532456, now seen corresponding path program 1 times [2022-10-16 16:30:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:16,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435130128] [2022-10-16 16:30:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:16,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:16,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435130128] [2022-10-16 16:30:16,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435130128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:16,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:16,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:30:16,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555014783] [2022-10-16 16:30:16,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:16,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:30:16,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:16,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:30:16,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:30:16,450 INFO L87 Difference]: Start difference. First operand 3489 states and 4503 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) [2022-10-16 16:30:19,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:19,097 INFO L93 Difference]: Finished difference Result 4191 states and 5478 transitions. [2022-10-16 16:30:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:30:19,098 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 [2022-10-16 16:30:19,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:19,115 INFO L225 Difference]: With dead ends: 4191 [2022-10-16 16:30:19,115 INFO L226 Difference]: Without dead ends: 4117 [2022-10-16 16:30:19,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:30:19,118 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 9841 mSDsluCounter, 2321 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9841 SdHoareTripleChecker+Valid, 3757 SdHoareTripleChecker+Invalid, 3202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:19,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9841 Valid, 3757 Invalid, 3202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 16:30:19,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4117 states. [2022-10-16 16:30:19,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4117 to 4027. [2022-10-16 16:30:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4027 states, 3828 states have (on average 1.3999477533960292) internal successors, (5359), 4026 states have internal predecessors, (5359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 4027 states and 5359 transitions. [2022-10-16 16:30:19,390 INFO L78 Accepts]: Start accepts. Automaton has 4027 states and 5359 transitions. Word has length 52 [2022-10-16 16:30:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:19,391 INFO L495 AbstractCegarLoop]: Abstraction has 4027 states and 5359 transitions. [2022-10-16 16:30:19,391 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) [2022-10-16 16:30:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 5359 transitions. [2022-10-16 16:30:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:30:19,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:19,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:19,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:30:19,396 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr368ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:19,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash -2138664124, now seen corresponding path program 1 times [2022-10-16 16:30:19,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:19,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956778708] [2022-10-16 16:30:19,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:19,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:19,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956778708] [2022-10-16 16:30:19,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956778708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:19,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:19,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958092238] [2022-10-16 16:30:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:19,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:19,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:19,566 INFO L87 Difference]: Start difference. First operand 4027 states and 5359 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:21,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:21,093 INFO L93 Difference]: Finished difference Result 4846 states and 6595 transitions. [2022-10-16 16:30:21,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:30:21,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:21,114 INFO L225 Difference]: With dead ends: 4846 [2022-10-16 16:30:21,115 INFO L226 Difference]: Without dead ends: 4835 [2022-10-16 16:30:21,117 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 [2022-10-16 16:30:21,118 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 2175 mSDsluCounter, 1266 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:21,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 3028 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:30:21,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4835 states. [2022-10-16 16:30:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4835 to 4280. [2022-10-16 16:30:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 4089 states have (on average 1.409391049156273) internal successors, (5763), 4279 states have internal predecessors, (5763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5763 transitions. [2022-10-16 16:30:21,414 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5763 transitions. Word has length 86 [2022-10-16 16:30:21,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:21,414 INFO L495 AbstractCegarLoop]: Abstraction has 4280 states and 5763 transitions. [2022-10-16 16:30:21,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5763 transitions. [2022-10-16 16:30:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:30:21,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:21,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:21,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:30:21,420 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr806ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:21,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:21,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1857364823, now seen corresponding path program 1 times [2022-10-16 16:30:21,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:21,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135337415] [2022-10-16 16:30:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:21,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:21,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:21,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135337415] [2022-10-16 16:30:21,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135337415] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:21,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:21,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:21,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559358465] [2022-10-16 16:30:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:21,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:21,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:21,569 INFO L87 Difference]: Start difference. First operand 4280 states and 5763 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:23,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:23,112 INFO L93 Difference]: Finished difference Result 5102 states and 6990 transitions. [2022-10-16 16:30:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:23,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:30:23,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:23,136 INFO L225 Difference]: With dead ends: 5102 [2022-10-16 16:30:23,136 INFO L226 Difference]: Without dead ends: 5091 [2022-10-16 16:30:23,139 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 [2022-10-16 16:30:23,139 INFO L413 NwaCegarLoop]: 1565 mSDtfsCounter, 2478 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:23,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 2741 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:30:23,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5091 states. [2022-10-16 16:30:23,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5091 to 5055. [2022-10-16 16:30:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5055 states, 4872 states have (on average 1.43123973727422) internal successors, (6973), 5054 states have internal predecessors, (6973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 5055 states and 6973 transitions. [2022-10-16 16:30:23,507 INFO L78 Accepts]: Start accepts. Automaton has 5055 states and 6973 transitions. Word has length 86 [2022-10-16 16:30:23,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:23,507 INFO L495 AbstractCegarLoop]: Abstraction has 5055 states and 6973 transitions. [2022-10-16 16:30:23,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5055 states and 6973 transitions. [2022-10-16 16:30:23,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:30:23,512 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:23,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:30:23,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:30:23,513 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr807ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1743728541, now seen corresponding path program 1 times [2022-10-16 16:30:23,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:23,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647404377] [2022-10-16 16:30:23,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:23,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:23,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:23,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647404377] [2022-10-16 16:30:23,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647404377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:23,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:23,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:23,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155141492] [2022-10-16 16:30:23,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:23,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:23,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:23,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:23,682 INFO L87 Difference]: Start difference. First operand 5055 states and 6973 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:25,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:25,206 INFO L93 Difference]: Finished difference Result 5073 states and 6973 transitions. [2022-10-16 16:30:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:25,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:30:25,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:25,215 INFO L225 Difference]: With dead ends: 5073 [2022-10-16 16:30:25,215 INFO L226 Difference]: Without dead ends: 5062 [2022-10-16 16:30:25,217 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 [2022-10-16 16:30:25,218 INFO L413 NwaCegarLoop]: 1339 mSDtfsCounter, 2418 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 1972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:25,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 2296 Invalid, 1972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:30:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5062 states. [2022-10-16 16:30:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5062 to 5044. [2022-10-16 16:30:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5044 states, 4872 states have (on average 1.4259031198686372) internal successors, (6947), 5043 states have internal predecessors, (6947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5044 states to 5044 states and 6947 transitions. [2022-10-16 16:30:25,562 INFO L78 Accepts]: Start accepts. Automaton has 5044 states and 6947 transitions. Word has length 87 [2022-10-16 16:30:25,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:25,563 INFO L495 AbstractCegarLoop]: Abstraction has 5044 states and 6947 transitions. [2022-10-16 16:30:25,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5044 states and 6947 transitions. [2022-10-16 16:30:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:30:25,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:25,568 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] [2022-10-16 16:30:25,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:30:25,569 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr342ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:25,569 INFO L85 PathProgramCache]: Analyzing trace with hash -796504410, now seen corresponding path program 1 times [2022-10-16 16:30:25,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:25,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659660495] [2022-10-16 16:30:25,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:25,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:25,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:25,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659660495] [2022-10-16 16:30:25,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659660495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:25,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:25,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:30:25,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660591945] [2022-10-16 16:30:25,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:25,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:30:25,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:25,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:30:25,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:30:25,712 INFO L87 Difference]: Start difference. First operand 5044 states and 6947 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:27,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:27,312 INFO L93 Difference]: Finished difference Result 5344 states and 7368 transitions. [2022-10-16 16:30:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:30:27,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:30:27,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:27,330 INFO L225 Difference]: With dead ends: 5344 [2022-10-16 16:30:27,330 INFO L226 Difference]: Without dead ends: 5337 [2022-10-16 16:30:27,333 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 [2022-10-16 16:30:27,334 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 802 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 2149 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 2181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:27,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 4377 Invalid, 2181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2149 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:30:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2022-10-16 16:30:27,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 5040. [2022-10-16 16:30:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5040 states, 4872 states have (on average 1.4195402298850575) internal successors, (6916), 5039 states have internal predecessors, (6916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5040 states to 5040 states and 6916 transitions. [2022-10-16 16:30:27,665 INFO L78 Accepts]: Start accepts. Automaton has 5040 states and 6916 transitions. Word has length 88 [2022-10-16 16:30:27,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:27,666 INFO L495 AbstractCegarLoop]: Abstraction has 5040 states and 6916 transitions. [2022-10-16 16:30:27,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 5040 states and 6916 transitions. [2022-10-16 16:30:27,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:30:27,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:27,671 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] [2022-10-16 16:30:27,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:30:27,671 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr370ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:27,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:27,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2033211430, now seen corresponding path program 1 times [2022-10-16 16:30:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:27,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058430631] [2022-10-16 16:30:27,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:27,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058430631] [2022-10-16 16:30:27,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058430631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:27,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:27,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:27,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585542004] [2022-10-16 16:30:27,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:27,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:27,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:27,852 INFO L87 Difference]: Start difference. First operand 5040 states and 6916 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:29,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:29,638 INFO L93 Difference]: Finished difference Result 5346 states and 7328 transitions. [2022-10-16 16:30:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:29,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:30:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:29,653 INFO L225 Difference]: With dead ends: 5346 [2022-10-16 16:30:29,654 INFO L226 Difference]: Without dead ends: 5338 [2022-10-16 16:30:29,656 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 [2022-10-16 16:30:29,657 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 3727 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:29,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 3588 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2284 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:30:29,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2022-10-16 16:30:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 5296. [2022-10-16 16:30:30,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5296 states, 5133 states have (on average 1.42489772063121) internal successors, (7314), 5295 states have internal predecessors, (7314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:30,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 7314 transitions. [2022-10-16 16:30:30,078 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 7314 transitions. Word has length 88 [2022-10-16 16:30:30,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:30,079 INFO L495 AbstractCegarLoop]: Abstraction has 5296 states and 7314 transitions. [2022-10-16 16:30:30,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 7314 transitions. [2022-10-16 16:30:30,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:30:30,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:30,084 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] [2022-10-16 16:30:30,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:30:30,084 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr808ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1778996203, now seen corresponding path program 1 times [2022-10-16 16:30:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:30,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141777315] [2022-10-16 16:30:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:30,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:30,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:30,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141777315] [2022-10-16 16:30:30,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141777315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:30,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:30,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:30,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095754811] [2022-10-16 16:30:30,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:30,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:30,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:30,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:30,272 INFO L87 Difference]: Start difference. First operand 5296 states and 7314 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:32,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:32,015 INFO L93 Difference]: Finished difference Result 5863 states and 8138 transitions. [2022-10-16 16:30:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:32,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:30:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:32,025 INFO L225 Difference]: With dead ends: 5863 [2022-10-16 16:30:32,025 INFO L226 Difference]: Without dead ends: 5855 [2022-10-16 16:30:32,027 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 [2022-10-16 16:30:32,028 INFO L413 NwaCegarLoop]: 1563 mSDtfsCounter, 4206 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:32,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4206 Valid, 3140 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:30:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2022-10-16 16:30:32,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 5552. [2022-10-16 16:30:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5552 states, 5394 states have (on average 1.4297367445309603) internal successors, (7712), 5551 states have internal predecessors, (7712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5552 states to 5552 states and 7712 transitions. [2022-10-16 16:30:32,325 INFO L78 Accepts]: Start accepts. Automaton has 5552 states and 7712 transitions. Word has length 88 [2022-10-16 16:30:32,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:32,325 INFO L495 AbstractCegarLoop]: Abstraction has 5552 states and 7712 transitions. [2022-10-16 16:30:32,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5552 states and 7712 transitions. [2022-10-16 16:30:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:30:32,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:32,331 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] [2022-10-16 16:30:32,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:30:32,331 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr602ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:32,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1818665976, now seen corresponding path program 1 times [2022-10-16 16:30:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:32,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073704143] [2022-10-16 16:30:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:32,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:32,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073704143] [2022-10-16 16:30:32,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073704143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:32,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:32,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257963004] [2022-10-16 16:30:32,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:32,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:32,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:32,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:32,503 INFO L87 Difference]: Start difference. First operand 5552 states and 7712 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:34,230 INFO L93 Difference]: Finished difference Result 5594 states and 7712 transitions. [2022-10-16 16:30:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:34,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 16:30:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:34,240 INFO L225 Difference]: With dead ends: 5594 [2022-10-16 16:30:34,240 INFO L226 Difference]: Without dead ends: 5586 [2022-10-16 16:30:34,242 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 [2022-10-16 16:30:34,243 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 3621 mSDsluCounter, 1876 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3621 SdHoareTripleChecker+Valid, 3624 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:34,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3621 Valid, 3624 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2272 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:30:34,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5586 states. [2022-10-16 16:30:34,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5586 to 5547. [2022-10-16 16:30:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5547 states, 5394 states have (on average 1.425472747497219) internal successors, (7689), 5546 states have internal predecessors, (7689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5547 states to 5547 states and 7689 transitions. [2022-10-16 16:30:34,635 INFO L78 Accepts]: Start accepts. Automaton has 5547 states and 7689 transitions. Word has length 88 [2022-10-16 16:30:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:34,635 INFO L495 AbstractCegarLoop]: Abstraction has 5547 states and 7689 transitions. [2022-10-16 16:30:34,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5547 states and 7689 transitions. [2022-10-16 16:30:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:30:34,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:34,641 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] [2022-10-16 16:30:34,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:30:34,641 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr371ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:34,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:34,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1394951987, now seen corresponding path program 1 times [2022-10-16 16:30:34,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:34,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668843624] [2022-10-16 16:30:34,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:34,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:34,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:34,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668843624] [2022-10-16 16:30:34,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668843624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:34,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:34,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:34,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674092347] [2022-10-16 16:30:34,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:34,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:34,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:34,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:34,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:34,817 INFO L87 Difference]: Start difference. First operand 5547 states and 7689 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-16 16:30:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:36,778 INFO L93 Difference]: Finished difference Result 6891 states and 9731 transitions. [2022-10-16 16:30:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:36,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 [2022-10-16 16:30:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:36,789 INFO L225 Difference]: With dead ends: 6891 [2022-10-16 16:30:36,789 INFO L226 Difference]: Without dead ends: 6883 [2022-10-16 16:30:36,791 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 [2022-10-16 16:30:36,792 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 4342 mSDsluCounter, 1602 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 2378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:36,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 3120 Invalid, 2378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:30:36,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6883 states. [2022-10-16 16:30:37,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6883 to 6325. [2022-10-16 16:30:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6325 states, 6177 states have (on average 1.4411526631050673) internal successors, (8902), 6324 states have internal predecessors, (8902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6325 states to 6325 states and 8902 transitions. [2022-10-16 16:30:37,342 INFO L78 Accepts]: Start accepts. Automaton has 6325 states and 8902 transitions. Word has length 89 [2022-10-16 16:30:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:37,343 INFO L495 AbstractCegarLoop]: Abstraction has 6325 states and 8902 transitions. [2022-10-16 16:30:37,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-16 16:30:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 6325 states and 8902 transitions. [2022-10-16 16:30:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:30:37,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:37,348 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] [2022-10-16 16:30:37,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:30:37,348 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr809ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:37,349 INFO L85 PathProgramCache]: Analyzing trace with hash -685686427, now seen corresponding path program 1 times [2022-10-16 16:30:37,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:37,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113368682] [2022-10-16 16:30:37,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:37,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:37,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113368682] [2022-10-16 16:30:37,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113368682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:37,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:37,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:37,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273348209] [2022-10-16 16:30:37,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:37,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:37,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:37,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:37,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:37,510 INFO L87 Difference]: Start difference. First operand 6325 states and 8902 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-16 16:30:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:39,478 INFO L93 Difference]: Finished difference Result 7411 states and 10568 transitions. [2022-10-16 16:30:39,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:39,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 [2022-10-16 16:30:39,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:39,487 INFO L225 Difference]: With dead ends: 7411 [2022-10-16 16:30:39,487 INFO L226 Difference]: Without dead ends: 7400 [2022-10-16 16:30:39,489 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 [2022-10-16 16:30:39,490 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 4588 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4588 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 2348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:39,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4588 Valid, 2705 Invalid, 2348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:30:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7400 states. [2022-10-16 16:30:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7400 to 7361. [2022-10-16 16:30:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7361 states, 7221 states have (on average 1.4561695056086414) internal successors, (10515), 7360 states have internal predecessors, (10515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7361 states to 7361 states and 10515 transitions. [2022-10-16 16:30:40,047 INFO L78 Accepts]: Start accepts. Automaton has 7361 states and 10515 transitions. Word has length 89 [2022-10-16 16:30:40,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:40,047 INFO L495 AbstractCegarLoop]: Abstraction has 7361 states and 10515 transitions. [2022-10-16 16:30:40,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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) [2022-10-16 16:30:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 7361 states and 10515 transitions. [2022-10-16 16:30:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:40,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:40,052 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] [2022-10-16 16:30:40,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:30:40,053 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr344ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:40,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:40,053 INFO L85 PathProgramCache]: Analyzing trace with hash -936465080, now seen corresponding path program 1 times [2022-10-16 16:30:40,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:40,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582137371] [2022-10-16 16:30:40,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:40,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:40,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582137371] [2022-10-16 16:30:40,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582137371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:40,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:40,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:40,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431886515] [2022-10-16 16:30:40,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:40,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:40,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:40,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:40,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:40,235 INFO L87 Difference]: Start difference. First operand 7361 states and 10515 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:42,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:42,392 INFO L93 Difference]: Finished difference Result 8195 states and 11760 transitions. [2022-10-16 16:30:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:42,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 [2022-10-16 16:30:42,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:42,401 INFO L225 Difference]: With dead ends: 8195 [2022-10-16 16:30:42,402 INFO L226 Difference]: Without dead ends: 8189 [2022-10-16 16:30:42,404 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 [2022-10-16 16:30:42,405 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 2168 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 2940 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 4303 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:42,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 4303 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2940 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:42,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2022-10-16 16:30:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 8141. [2022-10-16 16:30:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8141 states, 8004 states have (on average 1.4666416791604198) internal successors, (11739), 8140 states have internal predecessors, (11739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 11739 transitions. [2022-10-16 16:30:42,802 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 11739 transitions. Word has length 90 [2022-10-16 16:30:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:42,803 INFO L495 AbstractCegarLoop]: Abstraction has 8141 states and 11739 transitions. [2022-10-16 16:30:42,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 11739 transitions. [2022-10-16 16:30:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:42,808 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:42,808 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] [2022-10-16 16:30:42,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:30:42,808 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr372ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:42,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:42,809 INFO L85 PathProgramCache]: Analyzing trace with hash -293835512, now seen corresponding path program 1 times [2022-10-16 16:30:42,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:42,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685324972] [2022-10-16 16:30:42,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:42,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:42,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685324972] [2022-10-16 16:30:42,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685324972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:42,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:42,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:42,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689217154] [2022-10-16 16:30:42,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:42,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:42,984 INFO L87 Difference]: Start difference. First operand 8141 states and 11739 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:45,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:45,158 INFO L93 Difference]: Finished difference Result 8444 states and 12133 transitions. [2022-10-16 16:30:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:45,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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 [2022-10-16 16:30:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:45,168 INFO L225 Difference]: With dead ends: 8444 [2022-10-16 16:30:45,168 INFO L226 Difference]: Without dead ends: 8438 [2022-10-16 16:30:45,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:45,171 INFO L413 NwaCegarLoop]: 1827 mSDtfsCounter, 5144 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5144 SdHoareTripleChecker+Valid, 4291 SdHoareTripleChecker+Invalid, 2752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:45,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5144 Valid, 4291 Invalid, 2752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8438 states. [2022-10-16 16:30:45,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8438 to 8399. [2022-10-16 16:30:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8399 states, 8265 states have (on average 1.4665456745311556) internal successors, (12121), 8398 states have internal predecessors, (12121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8399 states to 8399 states and 12121 transitions. [2022-10-16 16:30:45,648 INFO L78 Accepts]: Start accepts. Automaton has 8399 states and 12121 transitions. Word has length 90 [2022-10-16 16:30:45,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:45,648 INFO L495 AbstractCegarLoop]: Abstraction has 8399 states and 12121 transitions. [2022-10-16 16:30:45,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 8399 states and 12121 transitions. [2022-10-16 16:30:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:45,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:45,653 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] [2022-10-16 16:30:45,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:30:45,654 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr170ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:45,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:45,654 INFO L85 PathProgramCache]: Analyzing trace with hash -164626842, now seen corresponding path program 1 times [2022-10-16 16:30:45,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:45,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778399048] [2022-10-16 16:30:45,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:45,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:45,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:45,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:45,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778399048] [2022-10-16 16:30:45,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778399048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:45,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:45,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:45,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432259284] [2022-10-16 16:30:45,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:45,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:45,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:45,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:45,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:45,835 INFO L87 Difference]: Start difference. First operand 8399 states and 12121 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:47,745 INFO L93 Difference]: Finished difference Result 8702 states and 12524 transitions. [2022-10-16 16:30:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:47,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 [2022-10-16 16:30:47,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:47,754 INFO L225 Difference]: With dead ends: 8702 [2022-10-16 16:30:47,754 INFO L226 Difference]: Without dead ends: 8696 [2022-10-16 16:30:47,756 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 [2022-10-16 16:30:47,757 INFO L413 NwaCegarLoop]: 1810 mSDtfsCounter, 2100 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 2200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:47,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 3692 Invalid, 2200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:30:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8696 states. [2022-10-16 16:30:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8696 to 8657. [2022-10-16 16:30:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8657 states, 8526 states have (on average 1.4653999530846822) internal successors, (12494), 8656 states have internal predecessors, (12494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8657 states to 8657 states and 12494 transitions. [2022-10-16 16:30:48,149 INFO L78 Accepts]: Start accepts. Automaton has 8657 states and 12494 transitions. Word has length 90 [2022-10-16 16:30:48,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:48,150 INFO L495 AbstractCegarLoop]: Abstraction has 8657 states and 12494 transitions. [2022-10-16 16:30:48,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 8657 states and 12494 transitions. [2022-10-16 16:30:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:48,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:48,154 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] [2022-10-16 16:30:48,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:30:48,154 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr810ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:48,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:48,155 INFO L85 PathProgramCache]: Analyzing trace with hash 218563373, now seen corresponding path program 1 times [2022-10-16 16:30:48,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:48,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298380571] [2022-10-16 16:30:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:48,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:48,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298380571] [2022-10-16 16:30:48,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298380571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:48,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:48,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:48,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904042184] [2022-10-16 16:30:48,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:48,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:48,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:48,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:48,329 INFO L87 Difference]: Start difference. First operand 8657 states and 12494 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:50,590 INFO L93 Difference]: Finished difference Result 9482 states and 13694 transitions. [2022-10-16 16:30:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:50,591 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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 [2022-10-16 16:30:50,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:50,603 INFO L225 Difference]: With dead ends: 9482 [2022-10-16 16:30:50,603 INFO L226 Difference]: Without dead ends: 9476 [2022-10-16 16:30:50,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:50,606 INFO L413 NwaCegarLoop]: 1551 mSDtfsCounter, 5832 mSDsluCounter, 2036 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5832 SdHoareTripleChecker+Valid, 3587 SdHoareTripleChecker+Invalid, 2658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:50,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5832 Valid, 3587 Invalid, 2658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2633 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9476 states. [2022-10-16 16:30:51,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9476 to 8915. [2022-10-16 16:30:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8915 states, 8787 states have (on average 1.4653465346534653) internal successors, (12876), 8914 states have internal predecessors, (12876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8915 states to 8915 states and 12876 transitions. [2022-10-16 16:30:51,101 INFO L78 Accepts]: Start accepts. Automaton has 8915 states and 12876 transitions. Word has length 90 [2022-10-16 16:30:51,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:51,101 INFO L495 AbstractCegarLoop]: Abstraction has 8915 states and 12876 transitions. [2022-10-16 16:30:51,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 8915 states and 12876 transitions. [2022-10-16 16:30:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:51,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:51,106 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] [2022-10-16 16:30:51,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:30:51,106 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr716ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:51,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:51,107 INFO L85 PathProgramCache]: Analyzing trace with hash 881000261, now seen corresponding path program 1 times [2022-10-16 16:30:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:51,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538527068] [2022-10-16 16:30:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:51,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:51,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538527068] [2022-10-16 16:30:51,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538527068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:51,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:51,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048168424] [2022-10-16 16:30:51,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:51,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:51,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:51,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:51,270 INFO L87 Difference]: Start difference. First operand 8915 states and 12876 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:53,640 INFO L93 Difference]: Finished difference Result 8954 states and 12876 transitions. [2022-10-16 16:30:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:30:53,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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 [2022-10-16 16:30:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:53,654 INFO L225 Difference]: With dead ends: 8954 [2022-10-16 16:30:53,654 INFO L226 Difference]: Without dead ends: 8948 [2022-10-16 16:30:53,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:53,659 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 5129 mSDsluCounter, 3260 mSDsCounter, 0 mSdLazyCounter, 3142 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5129 SdHoareTripleChecker+Valid, 4905 SdHoareTripleChecker+Invalid, 3159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:53,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5129 Valid, 4905 Invalid, 3159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3142 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:30:53,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8948 states. [2022-10-16 16:30:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8948 to 8912. [2022-10-16 16:30:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8912 states, 8787 states have (on average 1.4639808808467054) internal successors, (12864), 8911 states have internal predecessors, (12864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8912 states to 8912 states and 12864 transitions. [2022-10-16 16:30:54,124 INFO L78 Accepts]: Start accepts. Automaton has 8912 states and 12864 transitions. Word has length 90 [2022-10-16 16:30:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:54,124 INFO L495 AbstractCegarLoop]: Abstraction has 8912 states and 12864 transitions. [2022-10-16 16:30:54,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8912 states and 12864 transitions. [2022-10-16 16:30:54,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:54,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:54,128 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] [2022-10-16 16:30:54,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:30:54,128 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr604ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash -313534662, now seen corresponding path program 1 times [2022-10-16 16:30:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:54,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939048277] [2022-10-16 16:30:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:54,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:54,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939048277] [2022-10-16 16:30:54,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939048277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:54,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:54,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:30:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320393301] [2022-10-16 16:30:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:30:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:30:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:30:54,333 INFO L87 Difference]: Start difference. First operand 8912 states and 12864 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:56,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:56,542 INFO L93 Difference]: Finished difference Result 9215 states and 13258 transitions. [2022-10-16 16:30:56,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:30:56,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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 [2022-10-16 16:30:56,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:56,557 INFO L225 Difference]: With dead ends: 9215 [2022-10-16 16:30:56,558 INFO L226 Difference]: Without dead ends: 9209 [2022-10-16 16:30:56,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:30:56,563 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 5133 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5133 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:56,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5133 Valid, 4281 Invalid, 2679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:56,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9209 states. [2022-10-16 16:30:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9209 to 9170. [2022-10-16 16:30:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9170 states, 9048 states have (on average 1.4639699381078692) internal successors, (13246), 9169 states have internal predecessors, (13246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9170 states to 9170 states and 13246 transitions. [2022-10-16 16:30:57,051 INFO L78 Accepts]: Start accepts. Automaton has 9170 states and 13246 transitions. Word has length 90 [2022-10-16 16:30:57,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:57,051 INFO L495 AbstractCegarLoop]: Abstraction has 9170 states and 13246 transitions. [2022-10-16 16:30:57,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 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) [2022-10-16 16:30:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9170 states and 13246 transitions. [2022-10-16 16:30:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:30:57,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:57,055 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] [2022-10-16 16:30:57,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:30:57,055 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr576ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:57,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:57,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2017206266, now seen corresponding path program 1 times [2022-10-16 16:30:57,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:57,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998031361] [2022-10-16 16:30:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:57,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:30:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:30:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:30:57,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:30:57,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998031361] [2022-10-16 16:30:57,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998031361] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:30:57,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:30:57,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:30:57,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766162786] [2022-10-16 16:30:57,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:30:57,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:30:57,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:30:57,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:30:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:30:57,203 INFO L87 Difference]: Start difference. First operand 9170 states and 13246 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:59,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:30:59,426 INFO L93 Difference]: Finished difference Result 9995 states and 14455 transitions. [2022-10-16 16:30:59,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:30:59,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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 [2022-10-16 16:30:59,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:30:59,439 INFO L225 Difference]: With dead ends: 9995 [2022-10-16 16:30:59,439 INFO L226 Difference]: Without dead ends: 9989 [2022-10-16 16:30:59,444 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 [2022-10-16 16:30:59,444 INFO L413 NwaCegarLoop]: 1628 mSDtfsCounter, 2451 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2451 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:30:59,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2451 Valid, 4049 Invalid, 2881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:30:59,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9989 states. [2022-10-16 16:30:59,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9989 to 9950. [2022-10-16 16:30:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9950 states, 9831 states have (on average 1.4682127962567388) internal successors, (14434), 9949 states have internal predecessors, (14434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:30:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9950 states to 9950 states and 14434 transitions. [2022-10-16 16:30:59,991 INFO L78 Accepts]: Start accepts. Automaton has 9950 states and 14434 transitions. Word has length 90 [2022-10-16 16:30:59,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:30:59,992 INFO L495 AbstractCegarLoop]: Abstraction has 9950 states and 14434 transitions. [2022-10-16 16:30:59,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 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) [2022-10-16 16:30:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 9950 states and 14434 transitions. [2022-10-16 16:30:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:30:59,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:30:59,995 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] [2022-10-16 16:30:59,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:30:59,995 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr345ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:30:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:30:59,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1034356541, now seen corresponding path program 1 times [2022-10-16 16:30:59,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:30:59,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176662367] [2022-10-16 16:30:59,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:30:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:00,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:00,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176662367] [2022-10-16 16:31:00,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176662367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:00,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:00,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:00,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218476098] [2022-10-16 16:31:00,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:00,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:00,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:00,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:00,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:00,159 INFO L87 Difference]: Start difference. First operand 9950 states and 14434 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) [2022-10-16 16:31:02,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:02,482 INFO L93 Difference]: Finished difference Result 9983 states and 14434 transitions. [2022-10-16 16:31:02,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:02,489 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 [2022-10-16 16:31:02,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:02,501 INFO L225 Difference]: With dead ends: 9983 [2022-10-16 16:31:02,501 INFO L226 Difference]: Without dead ends: 9977 [2022-10-16 16:31:02,504 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 [2022-10-16 16:31:02,504 INFO L413 NwaCegarLoop]: 1592 mSDtfsCounter, 2917 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:02,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2917 Valid, 3705 Invalid, 2749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:31:02,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9977 states. [2022-10-16 16:31:02,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9977 to 8381. [2022-10-16 16:31:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8381 states, 8265 states have (on average 1.4480338777979431) internal successors, (11968), 8380 states have internal predecessors, (11968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8381 states to 8381 states and 11968 transitions. [2022-10-16 16:31:02,944 INFO L78 Accepts]: Start accepts. Automaton has 8381 states and 11968 transitions. Word has length 91 [2022-10-16 16:31:02,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:02,944 INFO L495 AbstractCegarLoop]: Abstraction has 8381 states and 11968 transitions. [2022-10-16 16:31:02,944 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) [2022-10-16 16:31:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8381 states and 11968 transitions. [2022-10-16 16:31:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:31:02,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:02,948 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] [2022-10-16 16:31:02,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:31:02,948 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr373ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:02,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:02,949 INFO L85 PathProgramCache]: Analyzing trace with hash -518963153, now seen corresponding path program 1 times [2022-10-16 16:31:02,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:02,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797479937] [2022-10-16 16:31:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:03,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:03,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797479937] [2022-10-16 16:31:03,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797479937] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:03,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:03,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:03,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754895733] [2022-10-16 16:31:03,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:03,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:03,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:03,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:03,123 INFO L87 Difference]: Start difference. First operand 8381 states and 11968 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:05,760 INFO L93 Difference]: Finished difference Result 12092 states and 17610 transitions. [2022-10-16 16:31:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:05,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 [2022-10-16 16:31:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:05,775 INFO L225 Difference]: With dead ends: 12092 [2022-10-16 16:31:05,775 INFO L226 Difference]: Without dead ends: 12084 [2022-10-16 16:31:05,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:05,779 INFO L413 NwaCegarLoop]: 1518 mSDtfsCounter, 6098 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2657 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6098 SdHoareTripleChecker+Valid, 3721 SdHoareTripleChecker+Invalid, 2724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 2657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:05,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6098 Valid, 3721 Invalid, 2724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 2657 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:31:05,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12084 states. [2022-10-16 16:31:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12084 to 12030. [2022-10-16 16:31:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12030 states, 11919 states have (on average 1.4732779595603658) internal successors, (17560), 12029 states have internal predecessors, (17560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12030 states to 12030 states and 17560 transitions. [2022-10-16 16:31:06,504 INFO L78 Accepts]: Start accepts. Automaton has 12030 states and 17560 transitions. Word has length 91 [2022-10-16 16:31:06,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:06,505 INFO L495 AbstractCegarLoop]: Abstraction has 12030 states and 17560 transitions. [2022-10-16 16:31:06,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 12030 states and 17560 transitions. [2022-10-16 16:31:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:31:06,507 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:06,508 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] [2022-10-16 16:31:06,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:31:06,508 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr811ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:06,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1814463897, now seen corresponding path program 1 times [2022-10-16 16:31:06,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:06,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249417405] [2022-10-16 16:31:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:06,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:06,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:06,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249417405] [2022-10-16 16:31:06,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249417405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:06,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:06,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:06,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534340915] [2022-10-16 16:31:06,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:06,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:06,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:06,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:06,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:06,678 INFO L87 Difference]: Start difference. First operand 12030 states and 17560 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:09,289 INFO L93 Difference]: Finished difference Result 14439 states and 21187 transitions. [2022-10-16 16:31:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:09,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 [2022-10-16 16:31:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:09,308 INFO L225 Difference]: With dead ends: 14439 [2022-10-16 16:31:09,308 INFO L226 Difference]: Without dead ends: 14431 [2022-10-16 16:31:09,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:09,313 INFO L413 NwaCegarLoop]: 1354 mSDtfsCounter, 6610 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 2602 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6610 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 2684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 2602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:09,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6610 Valid, 3137 Invalid, 2684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 2602 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:31:09,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14431 states. [2022-10-16 16:31:10,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14431 to 14374. [2022-10-16 16:31:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14374 states, 14268 states have (on average 1.4807961872722175) internal successors, (21128), 14373 states have internal predecessors, (21128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14374 states to 14374 states and 21128 transitions. [2022-10-16 16:31:10,235 INFO L78 Accepts]: Start accepts. Automaton has 14374 states and 21128 transitions. Word has length 91 [2022-10-16 16:31:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:10,236 INFO L495 AbstractCegarLoop]: Abstraction has 14374 states and 21128 transitions. [2022-10-16 16:31:10,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 14374 states and 21128 transitions. [2022-10-16 16:31:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:31:10,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:10,239 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] [2022-10-16 16:31:10,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:31:10,239 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr605ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:10,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1129635180, now seen corresponding path program 1 times [2022-10-16 16:31:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:10,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504707471] [2022-10-16 16:31:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:10,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:10,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504707471] [2022-10-16 16:31:10,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504707471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:10,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:10,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:10,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520425552] [2022-10-16 16:31:10,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:10,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:10,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:10,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:10,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:10,395 INFO L87 Difference]: Start difference. First operand 14374 states and 21128 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:13,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:13,238 INFO L93 Difference]: Finished difference Result 17029 states and 25059 transitions. [2022-10-16 16:31:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:13,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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 [2022-10-16 16:31:13,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:13,263 INFO L225 Difference]: With dead ends: 17029 [2022-10-16 16:31:13,263 INFO L226 Difference]: Without dead ends: 17023 [2022-10-16 16:31:13,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:13,269 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 6178 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 2464 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6178 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 2464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:13,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6178 Valid, 3737 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 2464 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:31:13,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17023 states. [2022-10-16 16:31:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17023 to 16459. [2022-10-16 16:31:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16459 states, 16356 states have (on average 1.4820860846172659) internal successors, (24241), 16458 states have internal predecessors, (24241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16459 states to 16459 states and 24241 transitions. [2022-10-16 16:31:14,366 INFO L78 Accepts]: Start accepts. Automaton has 16459 states and 24241 transitions. Word has length 91 [2022-10-16 16:31:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:14,366 INFO L495 AbstractCegarLoop]: Abstraction has 16459 states and 24241 transitions. [2022-10-16 16:31:14,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 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) [2022-10-16 16:31:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 16459 states and 24241 transitions. [2022-10-16 16:31:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:14,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:14,369 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] [2022-10-16 16:31:14,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:31:14,370 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr268ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:14,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:14,370 INFO L85 PathProgramCache]: Analyzing trace with hash -700285193, now seen corresponding path program 1 times [2022-10-16 16:31:14,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:14,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931332589] [2022-10-16 16:31:14,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:14,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:14,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:14,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931332589] [2022-10-16 16:31:14,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931332589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:14,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:14,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:14,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118876382] [2022-10-16 16:31:14,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:14,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:14,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:14,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:14,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:14,540 INFO L87 Difference]: Start difference. First operand 16459 states and 24241 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:17,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:17,528 INFO L93 Difference]: Finished difference Result 16759 states and 24626 transitions. [2022-10-16 16:31:17,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:17,528 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:31:17,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:17,547 INFO L225 Difference]: With dead ends: 16759 [2022-10-16 16:31:17,547 INFO L226 Difference]: Without dead ends: 16754 [2022-10-16 16:31:17,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:17,552 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 3771 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3771 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:17,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3771 Valid, 4528 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 16:31:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16754 states. [2022-10-16 16:31:18,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16754 to 16457. [2022-10-16 16:31:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16457 states, 16356 states have (on average 1.4814135485448765) internal successors, (24230), 16456 states have internal predecessors, (24230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16457 states to 16457 states and 24230 transitions. [2022-10-16 16:31:18,740 INFO L78 Accepts]: Start accepts. Automaton has 16457 states and 24230 transitions. Word has length 92 [2022-10-16 16:31:18,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:18,740 INFO L495 AbstractCegarLoop]: Abstraction has 16457 states and 24230 transitions. [2022-10-16 16:31:18,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 16457 states and 24230 transitions. [2022-10-16 16:31:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:18,744 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:18,744 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] [2022-10-16 16:31:18,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:31:18,744 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr346ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:18,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:18,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2000284650, now seen corresponding path program 1 times [2022-10-16 16:31:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:18,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99839886] [2022-10-16 16:31:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:18,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:18,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99839886] [2022-10-16 16:31:18,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99839886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:18,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:18,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:18,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168678496] [2022-10-16 16:31:18,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:18,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:18,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:18,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:18,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:18,917 INFO L87 Difference]: Start difference. First operand 16457 states and 24230 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:22,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:22,014 INFO L93 Difference]: Finished difference Result 17561 states and 25815 transitions. [2022-10-16 16:31:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:31:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:22,033 INFO L225 Difference]: With dead ends: 17561 [2022-10-16 16:31:22,034 INFO L226 Difference]: Without dead ends: 17556 [2022-10-16 16:31:22,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:22,038 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 4024 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 4779 SdHoareTripleChecker+Invalid, 3310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:22,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4024 Valid, 4779 Invalid, 3310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 3278 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:31:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17556 states. [2022-10-16 16:31:23,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17556 to 17499. [2022-10-16 16:31:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17499 states, 17400 states have (on average 1.4824712643678162) internal successors, (25795), 17498 states have internal predecessors, (25795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17499 states to 17499 states and 25795 transitions. [2022-10-16 16:31:23,199 INFO L78 Accepts]: Start accepts. Automaton has 17499 states and 25795 transitions. Word has length 92 [2022-10-16 16:31:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:23,199 INFO L495 AbstractCegarLoop]: Abstraction has 17499 states and 25795 transitions. [2022-10-16 16:31:23,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 17499 states and 25795 transitions. [2022-10-16 16:31:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:23,202 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:23,202 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] [2022-10-16 16:31:23,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:31:23,202 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr374ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:23,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:23,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1092014570, now seen corresponding path program 1 times [2022-10-16 16:31:23,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:23,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888666401] [2022-10-16 16:31:23,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:23,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:23,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:23,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888666401] [2022-10-16 16:31:23,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888666401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:23,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:23,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:23,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277056942] [2022-10-16 16:31:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:23,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:23,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:23,377 INFO L87 Difference]: Start difference. First operand 17499 states and 25795 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:26,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:26,664 INFO L93 Difference]: Finished difference Result 28341 states and 42250 transitions. [2022-10-16 16:31:26,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:26,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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 [2022-10-16 16:31:26,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:26,687 INFO L225 Difference]: With dead ends: 28341 [2022-10-16 16:31:26,687 INFO L226 Difference]: Without dead ends: 17878 [2022-10-16 16:31:26,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:26,707 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 6644 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 3172 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6644 SdHoareTripleChecker+Valid, 4995 SdHoareTripleChecker+Invalid, 3189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 3172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:26,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6644 Valid, 4995 Invalid, 3189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 3172 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:31:26,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17878 states. [2022-10-16 16:31:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17878 to 17845. [2022-10-16 16:31:27,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17845 states, 17748 states have (on average 1.4808429118773947) internal successors, (26282), 17844 states have internal predecessors, (26282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17845 states to 17845 states and 26282 transitions. [2022-10-16 16:31:27,920 INFO L78 Accepts]: Start accepts. Automaton has 17845 states and 26282 transitions. Word has length 92 [2022-10-16 16:31:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:27,920 INFO L495 AbstractCegarLoop]: Abstraction has 17845 states and 26282 transitions. [2022-10-16 16:31:27,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 17845 states and 26282 transitions. [2022-10-16 16:31:27,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:27,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:27,923 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] [2022-10-16 16:31:27,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:31:27,923 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr172ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:27,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:27,924 INFO L85 PathProgramCache]: Analyzing trace with hash 707446376, now seen corresponding path program 1 times [2022-10-16 16:31:27,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:27,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055483990] [2022-10-16 16:31:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:27,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:28,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:28,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055483990] [2022-10-16 16:31:28,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055483990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:28,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:28,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:28,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572735498] [2022-10-16 16:31:28,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:28,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:28,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:28,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:28,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:28,088 INFO L87 Difference]: Start difference. First operand 17845 states and 26282 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:30,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:30,793 INFO L93 Difference]: Finished difference Result 18676 states and 27473 transitions. [2022-10-16 16:31:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:30,794 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:31:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:30,816 INFO L225 Difference]: With dead ends: 18676 [2022-10-16 16:31:30,816 INFO L226 Difference]: Without dead ends: 18671 [2022-10-16 16:31:30,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:30,822 INFO L413 NwaCegarLoop]: 1862 mSDtfsCounter, 3842 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 2276 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3842 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:30,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 3836 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2276 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:31:30,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18671 states. [2022-10-16 16:31:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18671 to 18626. [2022-10-16 16:31:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18626 states, 18531 states have (on average 1.48146349360531) internal successors, (27453), 18625 states have internal predecessors, (27453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18626 states to 18626 states and 27453 transitions. [2022-10-16 16:31:32,074 INFO L78 Accepts]: Start accepts. Automaton has 18626 states and 27453 transitions. Word has length 92 [2022-10-16 16:31:32,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:32,075 INFO L495 AbstractCegarLoop]: Abstraction has 18626 states and 27453 transitions. [2022-10-16 16:31:32,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 18626 states and 27453 transitions. [2022-10-16 16:31:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:32,078 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:32,078 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] [2022-10-16 16:31:32,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:31:32,078 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr144ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:32,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1437500624, now seen corresponding path program 1 times [2022-10-16 16:31:32,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:32,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34594832] [2022-10-16 16:31:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:32,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:32,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:32,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34594832] [2022-10-16 16:31:32,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34594832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:32,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:32,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:31:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414271034] [2022-10-16 16:31:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:32,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:31:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:31:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:31:32,214 INFO L87 Difference]: Start difference. First operand 18626 states and 27453 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) [2022-10-16 16:31:34,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:34,629 INFO L93 Difference]: Finished difference Result 20498 states and 30256 transitions. [2022-10-16 16:31:34,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:31:34,630 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 [2022-10-16 16:31:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:34,655 INFO L225 Difference]: With dead ends: 20498 [2022-10-16 16:31:34,655 INFO L226 Difference]: Without dead ends: 20494 [2022-10-16 16:31:34,660 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 [2022-10-16 16:31:34,661 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 1132 mSDsluCounter, 1736 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 4028 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:34,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 4028 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:31:34,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20494 states. [2022-10-16 16:31:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20494 to 19669. [2022-10-16 16:31:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19669 states, 19575 states have (on average 1.4783141762452108) internal successors, (28938), 19668 states have internal predecessors, (28938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19669 states to 19669 states and 28938 transitions. [2022-10-16 16:31:36,140 INFO L78 Accepts]: Start accepts. Automaton has 19669 states and 28938 transitions. Word has length 92 [2022-10-16 16:31:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:36,140 INFO L495 AbstractCegarLoop]: Abstraction has 19669 states and 28938 transitions. [2022-10-16 16:31:36,141 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) [2022-10-16 16:31:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19669 states and 28938 transitions. [2022-10-16 16:31:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:36,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:36,143 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] [2022-10-16 16:31:36,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:31:36,143 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr778ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:36,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:36,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1703543185, now seen corresponding path program 1 times [2022-10-16 16:31:36,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:36,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990895587] [2022-10-16 16:31:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:36,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:36,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:36,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:36,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990895587] [2022-10-16 16:31:36,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990895587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:36,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:36,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:36,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864406447] [2022-10-16 16:31:36,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:36,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:36,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:36,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:36,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:36,303 INFO L87 Difference]: Start difference. First operand 19669 states and 28938 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:39,590 INFO L93 Difference]: Finished difference Result 37120 states and 55225 transitions. [2022-10-16 16:31:39,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:31:39,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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 [2022-10-16 16:31:39,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:39,612 INFO L225 Difference]: With dead ends: 37120 [2022-10-16 16:31:39,612 INFO L226 Difference]: Without dead ends: 19680 [2022-10-16 16:31:39,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:31:39,630 INFO L413 NwaCegarLoop]: 1817 mSDtfsCounter, 6474 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 3113 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6474 SdHoareTripleChecker+Valid, 5088 SdHoareTripleChecker+Invalid, 3138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:39,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6474 Valid, 5088 Invalid, 3138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:31:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19680 states. [2022-10-16 16:31:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19680 to 19650. [2022-10-16 16:31:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19650 states, 19558 states have (on average 1.478423151651498) internal successors, (28915), 19649 states have internal predecessors, (28915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19650 states to 19650 states and 28915 transitions. [2022-10-16 16:31:41,020 INFO L78 Accepts]: Start accepts. Automaton has 19650 states and 28915 transitions. Word has length 92 [2022-10-16 16:31:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:41,020 INFO L495 AbstractCegarLoop]: Abstraction has 19650 states and 28915 transitions. [2022-10-16 16:31:41,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 19650 states and 28915 transitions. [2022-10-16 16:31:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:41,024 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:41,024 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] [2022-10-16 16:31:41,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:31:41,025 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr812ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash -413799825, now seen corresponding path program 1 times [2022-10-16 16:31:41,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:41,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108540941] [2022-10-16 16:31:41,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:41,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:41,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:41,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108540941] [2022-10-16 16:31:41,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108540941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:41,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:41,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:41,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406370363] [2022-10-16 16:31:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:41,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:41,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:41,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:41,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:41,179 INFO L87 Difference]: Start difference. First operand 19650 states and 28915 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:44,740 INFO L93 Difference]: Finished difference Result 28050 states and 41451 transitions. [2022-10-16 16:31:44,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:44,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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 [2022-10-16 16:31:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:44,764 INFO L225 Difference]: With dead ends: 28050 [2022-10-16 16:31:44,764 INFO L226 Difference]: Without dead ends: 19942 [2022-10-16 16:31:44,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:44,776 INFO L413 NwaCegarLoop]: 1718 mSDtfsCounter, 6953 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6953 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 3596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:44,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6953 Valid, 4685 Invalid, 3596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:31:44,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19942 states. [2022-10-16 16:31:46,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19942 to 19909. [2022-10-16 16:31:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19909 states, 19819 states have (on average 1.4774206569453554) internal successors, (29281), 19908 states have internal predecessors, (29281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:46,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19909 states to 19909 states and 29281 transitions. [2022-10-16 16:31:46,173 INFO L78 Accepts]: Start accepts. Automaton has 19909 states and 29281 transitions. Word has length 92 [2022-10-16 16:31:46,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:46,174 INFO L495 AbstractCegarLoop]: Abstraction has 19909 states and 29281 transitions. [2022-10-16 16:31:46,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 19909 states and 29281 transitions. [2022-10-16 16:31:46,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:46,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:46,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:46,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:31:46,178 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr718ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:46,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash 532870599, now seen corresponding path program 1 times [2022-10-16 16:31:46,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:46,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969320651] [2022-10-16 16:31:46,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:46,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:46,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:46,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969320651] [2022-10-16 16:31:46,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969320651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:46,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:46,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:46,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729649479] [2022-10-16 16:31:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:46,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:46,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:46,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:46,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:46,326 INFO L87 Difference]: Start difference. First operand 19909 states and 29281 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:49,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:49,667 INFO L93 Difference]: Finished difference Result 35101 states and 52205 transitions. [2022-10-16 16:31:49,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:31:49,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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 [2022-10-16 16:31:49,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:49,690 INFO L225 Difference]: With dead ends: 35101 [2022-10-16 16:31:49,690 INFO L226 Difference]: Without dead ends: 20201 [2022-10-16 16:31:49,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:49,707 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 6446 mSDsluCounter, 3260 mSDsCounter, 0 mSdLazyCounter, 3069 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6446 SdHoareTripleChecker+Valid, 5073 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:49,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6446 Valid, 5073 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 3069 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 16:31:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20201 states. [2022-10-16 16:31:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20201 to 20168. [2022-10-16 16:31:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20168 states, 20080 states have (on average 1.4764442231075696) internal successors, (29647), 20167 states have internal predecessors, (29647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20168 states to 20168 states and 29647 transitions. [2022-10-16 16:31:51,174 INFO L78 Accepts]: Start accepts. Automaton has 20168 states and 29647 transitions. Word has length 92 [2022-10-16 16:31:51,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:51,174 INFO L495 AbstractCegarLoop]: Abstraction has 20168 states and 29647 transitions. [2022-10-16 16:31:51,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 20168 states and 29647 transitions. [2022-10-16 16:31:51,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:51,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:51,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:31:51,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:31:51,177 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr690ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:51,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:51,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1407377351, now seen corresponding path program 1 times [2022-10-16 16:31:51,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:51,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196280824] [2022-10-16 16:31:51,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:51,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:51,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196280824] [2022-10-16 16:31:51,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196280824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:51,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:51,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:31:51,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626076126] [2022-10-16 16:31:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:51,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:31:51,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:51,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:31:51,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:31:51,331 INFO L87 Difference]: Start difference. First operand 20168 states and 29647 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:54,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:54,291 INFO L93 Difference]: Finished difference Result 20468 states and 30032 transitions. [2022-10-16 16:31:54,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:31:54,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:31:54,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:54,316 INFO L225 Difference]: With dead ends: 20468 [2022-10-16 16:31:54,316 INFO L226 Difference]: Without dead ends: 20463 [2022-10-16 16:31:54,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:31:54,322 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 3875 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:54,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 3812 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:31:54,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20463 states. [2022-10-16 16:31:55,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20463 to 20427. [2022-10-16 16:31:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20427 states, 20341 states have (on average 1.4758861412909887) internal successors, (30021), 20426 states have internal predecessors, (30021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:31:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20427 states to 20427 states and 30021 transitions. [2022-10-16 16:31:55,742 INFO L78 Accepts]: Start accepts. Automaton has 20427 states and 30021 transitions. Word has length 92 [2022-10-16 16:31:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:31:55,742 INFO L495 AbstractCegarLoop]: Abstraction has 20427 states and 30021 transitions. [2022-10-16 16:31:55,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:31:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20427 states and 30021 transitions. [2022-10-16 16:31:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:31:55,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:31:55,745 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] [2022-10-16 16:31:55,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:31:55,746 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr606ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:31:55,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:31:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash -658947460, now seen corresponding path program 1 times [2022-10-16 16:31:55,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:31:55,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751648381] [2022-10-16 16:31:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:31:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:31:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:31:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:31:55,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:31:55,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751648381] [2022-10-16 16:31:55,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751648381] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:31:55,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:31:55,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:31:55,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678817806] [2022-10-16 16:31:55,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:31:55,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:31:55,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:31:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:31:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:31:55,906 INFO L87 Difference]: Start difference. First operand 20427 states and 30021 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:31:59,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:31:59,543 INFO L93 Difference]: Finished difference Result 35097 states and 52175 transitions. [2022-10-16 16:31:59,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:31:59,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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 [2022-10-16 16:31:59,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:31:59,572 INFO L225 Difference]: With dead ends: 35097 [2022-10-16 16:31:59,573 INFO L226 Difference]: Without dead ends: 20719 [2022-10-16 16:31:59,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:31:59,591 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 6249 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6249 SdHoareTripleChecker+Valid, 5962 SdHoareTripleChecker+Invalid, 3707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:31:59,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6249 Valid, 5962 Invalid, 3707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:31:59,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20719 states. [2022-10-16 16:32:00,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20719 to 20686. [2022-10-16 16:32:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20686 states, 20602 states have (on average 1.4749538879720416) internal successors, (30387), 20685 states have internal predecessors, (30387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20686 states to 20686 states and 30387 transitions. [2022-10-16 16:32:01,033 INFO L78 Accepts]: Start accepts. Automaton has 20686 states and 30387 transitions. Word has length 92 [2022-10-16 16:32:01,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:01,033 INFO L495 AbstractCegarLoop]: Abstraction has 20686 states and 30387 transitions. [2022-10-16 16:32:01,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 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) [2022-10-16 16:32:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 20686 states and 30387 transitions. [2022-10-16 16:32:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:32:01,036 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:01,037 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] [2022-10-16 16:32:01,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:32:01,037 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr578ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:01,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:01,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1505117436, now seen corresponding path program 1 times [2022-10-16 16:32:01,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:01,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692232713] [2022-10-16 16:32:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:01,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:01,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:01,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:01,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692232713] [2022-10-16 16:32:01,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692232713] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:01,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:01,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:01,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259688143] [2022-10-16 16:32:01,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:01,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:01,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:01,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:01,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:01,196 INFO L87 Difference]: Start difference. First operand 20686 states and 30387 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:32:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:04,823 INFO L93 Difference]: Finished difference Result 21517 states and 31578 transitions. [2022-10-16 16:32:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:04,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:32:04,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:04,855 INFO L225 Difference]: With dead ends: 21517 [2022-10-16 16:32:04,855 INFO L226 Difference]: Without dead ends: 21512 [2022-10-16 16:32:04,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:04,863 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 3808 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3523 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3808 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 3551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 3523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:04,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3808 Valid, 4837 Invalid, 3551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3523 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:32:04,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21512 states. [2022-10-16 16:32:06,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21512 to 21467. [2022-10-16 16:32:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21467 states, 21385 states have (on average 1.4757072714519524) internal successors, (31558), 21466 states have internal predecessors, (31558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21467 states to 21467 states and 31558 transitions. [2022-10-16 16:32:06,388 INFO L78 Accepts]: Start accepts. Automaton has 21467 states and 31558 transitions. Word has length 92 [2022-10-16 16:32:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:06,388 INFO L495 AbstractCegarLoop]: Abstraction has 21467 states and 31558 transitions. [2022-10-16 16:32:06,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:32:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21467 states and 31558 transitions. [2022-10-16 16:32:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:32:06,390 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:06,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:06,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:32:06,391 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr500ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:06,391 INFO L85 PathProgramCache]: Analyzing trace with hash -2078287721, now seen corresponding path program 1 times [2022-10-16 16:32:06,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:06,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087560275] [2022-10-16 16:32:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:06,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:06,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087560275] [2022-10-16 16:32:06,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087560275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:06,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:06,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:06,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502060026] [2022-10-16 16:32:06,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:06,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:06,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:06,544 INFO L87 Difference]: Start difference. First operand 21467 states and 31558 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:32:09,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:09,583 INFO L93 Difference]: Finished difference Result 21767 states and 31943 transitions. [2022-10-16 16:32:09,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:09,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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 [2022-10-16 16:32:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:09,609 INFO L225 Difference]: With dead ends: 21767 [2022-10-16 16:32:09,609 INFO L226 Difference]: Without dead ends: 21762 [2022-10-16 16:32:09,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:09,615 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 3563 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 4369 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:09,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 4369 Invalid, 2589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:32:09,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21762 states. [2022-10-16 16:32:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21762 to 21726. [2022-10-16 16:32:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21726 states, 21646 states have (on average 1.4747759401275062) internal successors, (31923), 21725 states have internal predecessors, (31923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21726 states to 21726 states and 31923 transitions. [2022-10-16 16:32:11,180 INFO L78 Accepts]: Start accepts. Automaton has 21726 states and 31923 transitions. Word has length 92 [2022-10-16 16:32:11,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:11,180 INFO L495 AbstractCegarLoop]: Abstraction has 21726 states and 31923 transitions. [2022-10-16 16:32:11,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 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) [2022-10-16 16:32:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 21726 states and 31923 transitions. [2022-10-16 16:32:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:11,183 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:11,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:11,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:32:11,184 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr347ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1879284959, now seen corresponding path program 1 times [2022-10-16 16:32:11,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:11,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664762740] [2022-10-16 16:32:11,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:11,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:11,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:11,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664762740] [2022-10-16 16:32:11,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664762740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:11,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:11,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:11,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197676244] [2022-10-16 16:32:11,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:11,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:11,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:11,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:11,337 INFO L87 Difference]: Start difference. First operand 21726 states and 31923 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:14,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:14,535 INFO L93 Difference]: Finished difference Result 25437 states and 37547 transitions. [2022-10-16 16:32:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:14,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:14,569 INFO L225 Difference]: With dead ends: 25437 [2022-10-16 16:32:14,569 INFO L226 Difference]: Without dead ends: 25431 [2022-10-16 16:32:14,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:14,575 INFO L413 NwaCegarLoop]: 1595 mSDtfsCounter, 5341 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5341 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 1897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:14,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5341 Valid, 3000 Invalid, 1897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:32:14,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25431 states. [2022-10-16 16:32:16,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25431 to 25116. [2022-10-16 16:32:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25116 states, 25039 states have (on average 1.481169375773793) internal successors, (37087), 25115 states have internal predecessors, (37087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25116 states to 25116 states and 37087 transitions. [2022-10-16 16:32:16,466 INFO L78 Accepts]: Start accepts. Automaton has 25116 states and 37087 transitions. Word has length 93 [2022-10-16 16:32:16,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:16,466 INFO L495 AbstractCegarLoop]: Abstraction has 25116 states and 37087 transitions. [2022-10-16 16:32:16,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 25116 states and 37087 transitions. [2022-10-16 16:32:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:16,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:16,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:16,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:32:16,469 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr375ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:16,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:16,470 INFO L85 PathProgramCache]: Analyzing trace with hash -507283567, now seen corresponding path program 1 times [2022-10-16 16:32:16,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:16,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246922835] [2022-10-16 16:32:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:16,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:16,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:16,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246922835] [2022-10-16 16:32:16,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246922835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:16,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:16,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:16,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250728116] [2022-10-16 16:32:16,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:16,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:16,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:16,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:16,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:16,621 INFO L87 Difference]: Start difference. First operand 25116 states and 37087 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:21,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:21,138 INFO L93 Difference]: Finished difference Result 48177 states and 71807 transitions. [2022-10-16 16:32:21,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:21,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:21,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:21,180 INFO L225 Difference]: With dead ends: 48177 [2022-10-16 16:32:21,180 INFO L226 Difference]: Without dead ends: 31679 [2022-10-16 16:32:21,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:21,200 INFO L413 NwaCegarLoop]: 1524 mSDtfsCounter, 7567 mSDsluCounter, 2907 mSDsCounter, 0 mSdLazyCounter, 3065 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7567 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 3141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 3065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:21,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7567 Valid, 4431 Invalid, 3141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 3065 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:32:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31679 states. [2022-10-16 16:32:23,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31679 to 30911. [2022-10-16 16:32:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30911 states, 30837 states have (on average 1.4847423549631935) internal successors, (45785), 30910 states have internal predecessors, (45785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30911 states to 30911 states and 45785 transitions. [2022-10-16 16:32:23,624 INFO L78 Accepts]: Start accepts. Automaton has 30911 states and 45785 transitions. Word has length 93 [2022-10-16 16:32:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:23,624 INFO L495 AbstractCegarLoop]: Abstraction has 30911 states and 45785 transitions. [2022-10-16 16:32:23,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30911 states and 45785 transitions. [2022-10-16 16:32:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:23,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:23,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:23,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:32:23,627 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr173ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:23,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:23,628 INFO L85 PathProgramCache]: Analyzing trace with hash 456002792, now seen corresponding path program 1 times [2022-10-16 16:32:23,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:23,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447705952] [2022-10-16 16:32:23,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:23,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:23,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:23,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447705952] [2022-10-16 16:32:23,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447705952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:23,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:23,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:32:23,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371405508] [2022-10-16 16:32:23,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:23,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:32:23,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:23,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:32:23,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:32:23,772 INFO L87 Difference]: Start difference. First operand 30911 states and 45785 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:28,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:28,436 INFO L93 Difference]: Finished difference Result 40616 states and 60395 transitions. [2022-10-16 16:32:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:32:28,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:28,493 INFO L225 Difference]: With dead ends: 40616 [2022-10-16 16:32:28,494 INFO L226 Difference]: Without dead ends: 40611 [2022-10-16 16:32:28,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:32:28,507 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 4333 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4333 SdHoareTripleChecker+Valid, 3364 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:28,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4333 Valid, 3364 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:32:28,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40611 states. [2022-10-16 16:32:31,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40611 to 34215. [2022-10-16 16:32:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34215 states, 34143 states have (on average 1.4902322584424332) internal successors, (50881), 34214 states have internal predecessors, (50881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34215 states to 34215 states and 50881 transitions. [2022-10-16 16:32:31,589 INFO L78 Accepts]: Start accepts. Automaton has 34215 states and 50881 transitions. Word has length 93 [2022-10-16 16:32:31,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:31,590 INFO L495 AbstractCegarLoop]: Abstraction has 34215 states and 50881 transitions. [2022-10-16 16:32:31,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:31,590 INFO L276 IsEmpty]: Start isEmpty. Operand 34215 states and 50881 transitions. [2022-10-16 16:32:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:31,593 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:31,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:31,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:32:31,594 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr813ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:31,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:31,594 INFO L85 PathProgramCache]: Analyzing trace with hash 57113449, now seen corresponding path program 1 times [2022-10-16 16:32:31,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:31,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087421820] [2022-10-16 16:32:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:31,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:31,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087421820] [2022-10-16 16:32:31,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087421820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:31,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:31,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:31,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657515849] [2022-10-16 16:32:31,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:31,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:31,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:31,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:31,734 INFO L87 Difference]: Start difference. First operand 34215 states and 50881 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:37,153 INFO L93 Difference]: Finished difference Result 60756 states and 90726 transitions. [2022-10-16 16:32:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:37,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:37,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:37,201 INFO L225 Difference]: With dead ends: 60756 [2022-10-16 16:32:37,201 INFO L226 Difference]: Without dead ends: 39560 [2022-10-16 16:32:37,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:37,223 INFO L413 NwaCegarLoop]: 1337 mSDtfsCounter, 8379 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8379 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 2631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:37,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8379 Valid, 3138 Invalid, 2631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:32:37,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39560 states. [2022-10-16 16:32:40,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39560 to 38789. [2022-10-16 16:32:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38789 states, 38720 states have (on average 1.4915289256198347) internal successors, (57752), 38788 states have internal predecessors, (57752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:40,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38789 states to 38789 states and 57752 transitions. [2022-10-16 16:32:40,968 INFO L78 Accepts]: Start accepts. Automaton has 38789 states and 57752 transitions. Word has length 93 [2022-10-16 16:32:40,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:40,974 INFO L495 AbstractCegarLoop]: Abstraction has 38789 states and 57752 transitions. [2022-10-16 16:32:40,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 38789 states and 57752 transitions. [2022-10-16 16:32:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:40,981 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:40,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:40,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:32:40,982 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr719ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:40,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash -660875077, now seen corresponding path program 1 times [2022-10-16 16:32:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:40,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621838885] [2022-10-16 16:32:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:41,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:41,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621838885] [2022-10-16 16:32:41,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621838885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:41,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:41,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:41,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913452782] [2022-10-16 16:32:41,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:41,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:41,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:41,129 INFO L87 Difference]: Start difference. First operand 38789 states and 57752 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:46,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:46,934 INFO L93 Difference]: Finished difference Result 75221 states and 112619 transitions. [2022-10-16 16:32:46,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:32:46,935 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:46,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:46,989 INFO L225 Difference]: With dead ends: 75221 [2022-10-16 16:32:46,989 INFO L226 Difference]: Without dead ends: 41681 [2022-10-16 16:32:47,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:32:47,024 INFO L413 NwaCegarLoop]: 1393 mSDtfsCounter, 7631 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 2755 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7631 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:47,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7631 Valid, 4109 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2755 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:32:47,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41681 states. [2022-10-16 16:32:50,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41681 to 41114. [2022-10-16 16:32:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41114 states, 41047 states have (on average 1.490608327039735) internal successors, (61185), 41113 states have internal predecessors, (61185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41114 states to 41114 states and 61185 transitions. [2022-10-16 16:32:51,020 INFO L78 Accepts]: Start accepts. Automaton has 41114 states and 61185 transitions. Word has length 93 [2022-10-16 16:32:51,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:32:51,020 INFO L495 AbstractCegarLoop]: Abstraction has 41114 states and 61185 transitions. [2022-10-16 16:32:51,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 41114 states and 61185 transitions. [2022-10-16 16:32:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:32:51,022 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:32:51,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:32:51,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:32:51,023 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr607ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:32:51,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:32:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1047469974, now seen corresponding path program 1 times [2022-10-16 16:32:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:32:51,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091299969] [2022-10-16 16:32:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:32:51,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:32:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:32:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:32:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:32:51,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091299969] [2022-10-16 16:32:51,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091299969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:32:51,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:32:51,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:32:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297838117] [2022-10-16 16:32:51,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:32:51,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:32:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:32:51,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:32:51,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:32:51,167 INFO L87 Difference]: Start difference. First operand 41114 states and 61185 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:32:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:32:57,506 INFO L93 Difference]: Finished difference Result 83642 states and 125190 transitions. [2022-10-16 16:32:57,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:32:57,507 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:32:57,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:32:57,572 INFO L225 Difference]: With dead ends: 83642 [2022-10-16 16:32:57,572 INFO L226 Difference]: Without dead ends: 49401 [2022-10-16 16:32:57,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:32:57,598 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 7642 mSDsluCounter, 2179 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7642 SdHoareTripleChecker+Valid, 3631 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:32:57,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7642 Valid, 3631 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:32:57,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49401 states. [2022-10-16 16:33:02,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49401 to 48219. [2022-10-16 16:33:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48219 states, 48155 states have (on average 1.4912470148478871) internal successors, (71811), 48218 states have internal predecessors, (71811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48219 states to 48219 states and 71811 transitions. [2022-10-16 16:33:02,258 INFO L78 Accepts]: Start accepts. Automaton has 48219 states and 71811 transitions. Word has length 93 [2022-10-16 16:33:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:02,258 INFO L495 AbstractCegarLoop]: Abstraction has 48219 states and 71811 transitions. [2022-10-16 16:33:02,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 48219 states and 71811 transitions. [2022-10-16 16:33:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:33:02,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:02,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:02,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:33:02,261 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr579ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:33:02,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:02,261 INFO L85 PathProgramCache]: Analyzing trace with hash -585995164, now seen corresponding path program 1 times [2022-10-16 16:33:02,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:02,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994386648] [2022-10-16 16:33:02,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:02,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:02,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:02,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994386648] [2022-10-16 16:33:02,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994386648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:02,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:02,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:02,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194482590] [2022-10-16 16:33:02,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:02,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:02,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:02,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:02,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:02,383 INFO L87 Difference]: Start difference. First operand 48219 states and 71811 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:09,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:09,705 INFO L93 Difference]: Finished difference Result 59940 states and 89805 transitions. [2022-10-16 16:33:09,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:09,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 16:33:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:09,802 INFO L225 Difference]: With dead ends: 59940 [2022-10-16 16:33:09,802 INFO L226 Difference]: Without dead ends: 59931 [2022-10-16 16:33:09,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:33:09,821 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 4662 mSDsluCounter, 2078 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 2704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:09,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 3429 Invalid, 2704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2631 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 16:33:09,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59931 states. [2022-10-16 16:33:15,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59931 to 56568. [2022-10-16 16:33:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56568 states, 56507 states have (on average 1.495336860919886) internal successors, (84497), 56567 states have internal predecessors, (84497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56568 states to 56568 states and 84497 transitions. [2022-10-16 16:33:15,666 INFO L78 Accepts]: Start accepts. Automaton has 56568 states and 84497 transitions. Word has length 93 [2022-10-16 16:33:15,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:15,666 INFO L495 AbstractCegarLoop]: Abstraction has 56568 states and 84497 transitions. [2022-10-16 16:33:15,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 56568 states and 84497 transitions. [2022-10-16 16:33:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:33:15,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:15,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:15,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:33:15,669 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr242ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:33:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash 336542209, now seen corresponding path program 1 times [2022-10-16 16:33:15,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:15,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047740621] [2022-10-16 16:33:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047740621] [2022-10-16 16:33:15,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047740621] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:15,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:15,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:33:15,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050068040] [2022-10-16 16:33:15,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:15,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:33:15,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:15,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:33:15,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:15,842 INFO L87 Difference]: Start difference. First operand 56568 states and 84497 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:22,478 INFO L93 Difference]: Finished difference Result 60009 states and 89502 transitions. [2022-10-16 16:33:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:33:22,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:33:22,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:22,567 INFO L225 Difference]: With dead ends: 60009 [2022-10-16 16:33:22,567 INFO L226 Difference]: Without dead ends: 60005 [2022-10-16 16:33:22,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:33:22,581 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 2860 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2860 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:22,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2860 Valid, 3155 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:33:22,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60005 states. [2022-10-16 16:33:28,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60005 to 59438. [2022-10-16 16:33:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59438 states, 59378 states have (on average 1.4931287682306578) internal successors, (88659), 59437 states have internal predecessors, (88659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59438 states to 59438 states and 88659 transitions. [2022-10-16 16:33:28,635 INFO L78 Accepts]: Start accepts. Automaton has 59438 states and 88659 transitions. Word has length 94 [2022-10-16 16:33:28,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:33:28,635 INFO L495 AbstractCegarLoop]: Abstraction has 59438 states and 88659 transitions. [2022-10-16 16:33:28,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 59438 states and 88659 transitions. [2022-10-16 16:33:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:33:28,637 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:33:28,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:33:28,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:33:28,637 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr270ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 855 more)] === [2022-10-16 16:33:28,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:33:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1335871161, now seen corresponding path program 1 times [2022-10-16 16:33:28,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:33:28,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8224224] [2022-10-16 16:33:28,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:33:28,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:33:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:33:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:33:28,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:33:28,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8224224] [2022-10-16 16:33:28,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8224224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:33:28,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:33:28,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:33:28,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049043505] [2022-10-16 16:33:28,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:33:28,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:33:28,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:33:28,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:33:28,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:33:28,791 INFO L87 Difference]: Start difference. First operand 59438 states and 88659 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:33:36,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:33:36,162 INFO L93 Difference]: Finished difference Result 60260 states and 89796 transitions. [2022-10-16 16:33:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:33:36,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-16 16:33:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:33:36,252 INFO L225 Difference]: With dead ends: 60260 [2022-10-16 16:33:36,252 INFO L226 Difference]: Without dead ends: 60256 [2022-10-16 16:33:36,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:33:36,267 INFO L413 NwaCegarLoop]: 1794 mSDtfsCounter, 4841 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 2847 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4841 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 2863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:33:36,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4841 Valid, 4830 Invalid, 2863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2847 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:33:36,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60256 states.