/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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:40:32,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:40:32,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:40:32,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:40:32,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:40:32,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:40:32,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:40:32,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:40:32,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:40:32,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:40:32,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:40:32,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:40:32,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:40:32,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:40:32,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:40:32,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:40:32,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:40:32,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:40:32,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:40:32,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:40:32,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:40:32,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:40:32,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:40:32,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:40:32,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 21:40:33,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:40:33,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:40:33,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:40:33,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:40:33,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:40:33,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:40:33,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:40:33,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:40:33,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:40:33,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:40:33,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:40:33,018 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:40:33,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:40:33,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:40:33,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:40:33,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:40:33,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:40:33,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:40:33,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:40:33,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:40:33,083 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:40:33,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:40:33,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:40:33,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:40:33,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:40:33,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:40:33,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:40:33,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:40:33,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:40:33,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:40:33,087 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:40:33,087 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:40:33,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:40:33,087 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:40:33,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:40:33,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:40:33,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:40:33,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:40:33,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:40:33,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:40:33,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:40:33,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:40:33,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:40:33,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:40:33,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:40:33,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:40:33,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:40:33,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:40:33,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:40:33,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:40:33,537 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:40:33,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2022-10-15 21:40:33,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee93b900/416f8f38deb6465d83c630d3d4c3f37a/FLAG059273007 [2022-10-15 21:40:34,291 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:40:34,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2022-10-15 21:40:34,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee93b900/416f8f38deb6465d83c630d3d4c3f37a/FLAG059273007 [2022-10-15 21:40:34,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee93b900/416f8f38deb6465d83c630d3d4c3f37a [2022-10-15 21:40:34,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:40:34,606 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:40:34,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:40:34,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:40:34,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:40:34,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:40:34" (1/1) ... [2022-10-15 21:40:34,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6c473f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:34, skipping insertion in model container [2022-10-15 21:40:34,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:40:34" (1/1) ... [2022-10-15 21:40:34,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:40:34,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:40:34,863 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2022-10-15 21:40:34,871 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2022-10-15 21:40:34,882 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2022-10-15 21:40:34,884 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2022-10-15 21:40:34,887 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2022-10-15 21:40:34,889 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2022-10-15 21:40:34,892 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2022-10-15 21:40:34,894 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2022-10-15 21:40:34,896 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2022-10-15 21:40:34,898 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2022-10-15 21:40:34,902 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2022-10-15 21:40:34,903 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2022-10-15 21:40:34,998 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2022-10-15 21:40:35,004 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2022-10-15 21:40:35,014 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2022-10-15 21:40:35,017 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2022-10-15 21:40:35,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:40:35,053 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:40:35,071 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932] [2022-10-15 21:40:35,072 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147] [2022-10-15 21:40:35,076 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221] [2022-10-15 21:40:35,077 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436] [2022-10-15 21:40:35,079 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931] [2022-10-15 21:40:35,081 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146] [2022-10-15 21:40:35,083 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448] [2022-10-15 21:40:35,085 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666] [2022-10-15 21:40:35,086 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942] [2022-10-15 21:40:35,088 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160] [2022-10-15 21:40:35,090 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730] [2022-10-15 21:40:35,092 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948] [2022-10-15 21:40:35,135 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841] [2022-10-15 21:40:35,137 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059] [2022-10-15 21:40:35,143 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454] [2022-10-15 21:40:35,146 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/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672] [2022-10-15 21:40:35,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:40:35,192 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:40:35,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35 WrapperNode [2022-10-15 21:40:35,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:40:35,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:40:35,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:40:35,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:40:35,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,329 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 636 [2022-10-15 21:40:35,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:40:35,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:40:35,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:40:35,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:40:35,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:40:35,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:40:35,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:40:35,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:40:35,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (1/1) ... [2022-10-15 21:40:35,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:40:35,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:40:35,501 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) [2022-10-15 21:40:35,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:40:35,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:40:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:40:35,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:40:35,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:40:35,805 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:40:35,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:40:36,565 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:40:36,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:40:36,580 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:40:36,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:40:36 BoogieIcfgContainer [2022-10-15 21:40:36,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:40:36,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:40:36,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:40:36,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:40:36,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:40:34" (1/3) ... [2022-10-15 21:40:36,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e6610a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:40:36, skipping insertion in model container [2022-10-15 21:40:36,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:40:35" (2/3) ... [2022-10-15 21:40:36,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e6610a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:40:36, skipping insertion in model container [2022-10-15 21:40:36,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:40:36" (3/3) ... [2022-10-15 21:40:36,598 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c [2022-10-15 21:40:36,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:40:36,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-15 21:40:36,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:40:36,739 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;@308cf118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:40:36,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-15 21:40:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 133 states have (on average 1.9323308270676691) internal successors, (257), 179 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 21:40:36,760 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:36,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 21:40:36,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 21:40:36,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:36,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104423444] [2022-10-15 21:40:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:36,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:37,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:37,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104423444] [2022-10-15 21:40:37,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104423444] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:37,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:37,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:37,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910831291] [2022-10-15 21:40:37,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:37,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:37,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:37,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:37,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:37,138 INFO L87 Difference]: Start difference. First operand has 180 states, 133 states have (on average 1.9323308270676691) internal successors, (257), 179 states have internal predecessors, (257), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:37,305 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2022-10-15 21:40:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:37,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-15 21:40:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:37,321 INFO L225 Difference]: With dead ends: 183 [2022-10-15 21:40:37,322 INFO L226 Difference]: Without dead ends: 166 [2022-10-15 21:40:37,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:37,330 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 236 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:37,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 186 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:40:37,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-15 21:40:37,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-10-15 21:40:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 121 states have (on average 1.4710743801652892) internal successors, (178), 165 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 178 transitions. [2022-10-15 21:40:37,389 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 178 transitions. Word has length 4 [2022-10-15 21:40:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:37,390 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 178 transitions. [2022-10-15 21:40:37,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 178 transitions. [2022-10-15 21:40:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-15 21:40:37,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:37,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-15 21:40:37,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:40:37,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:37,393 INFO L85 PathProgramCache]: Analyzing trace with hash 28693763, now seen corresponding path program 1 times [2022-10-15 21:40:37,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:37,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203825664] [2022-10-15 21:40:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:37,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:37,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:37,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203825664] [2022-10-15 21:40:37,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203825664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:37,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:37,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307420215] [2022-10-15 21:40:37,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:37,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:37,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:37,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:37,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:37,443 INFO L87 Difference]: Start difference. First operand 166 states and 178 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:37,514 INFO L93 Difference]: Finished difference Result 166 states and 178 transitions. [2022-10-15 21:40:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:37,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-10-15 21:40:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:37,517 INFO L225 Difference]: With dead ends: 166 [2022-10-15 21:40:37,518 INFO L226 Difference]: Without dead ends: 165 [2022-10-15 21:40:37,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:37,520 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:37,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:40:37,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-15 21:40:37,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-10-15 21:40:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 121 states have (on average 1.462809917355372) internal successors, (177), 164 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 177 transitions. [2022-10-15 21:40:37,538 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 177 transitions. Word has length 5 [2022-10-15 21:40:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:37,539 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 177 transitions. [2022-10-15 21:40:37,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 177 transitions. [2022-10-15 21:40:37,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:40:37,540 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:37,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:37,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:40:37,541 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:37,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:37,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1212433694, now seen corresponding path program 1 times [2022-10-15 21:40:37,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:37,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971000559] [2022-10-15 21:40:37,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:37,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:37,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:37,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971000559] [2022-10-15 21:40:37,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971000559] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:37,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:37,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:40:37,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132455607] [2022-10-15 21:40:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:37,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:40:37,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:37,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:40:37,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:37,689 INFO L87 Difference]: Start difference. First operand 165 states and 177 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:38,022 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2022-10-15 21:40:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:40:38,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-10-15 21:40:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:38,028 INFO L225 Difference]: With dead ends: 165 [2022-10-15 21:40:38,029 INFO L226 Difference]: Without dead ends: 161 [2022-10-15 21:40:38,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:40:38,034 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 5 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:38,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 169 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-10-15 21:40:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-10-15 21:40:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 121 states have (on average 1.4297520661157024) internal successors, (173), 160 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 173 transitions. [2022-10-15 21:40:38,063 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 173 transitions. Word has length 10 [2022-10-15 21:40:38,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:38,063 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 173 transitions. [2022-10-15 21:40:38,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 173 transitions. [2022-10-15 21:40:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-15 21:40:38,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:38,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:38,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:40:38,069 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:38,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:38,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2141170454, now seen corresponding path program 1 times [2022-10-15 21:40:38,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:38,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243150014] [2022-10-15 21:40:38,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:38,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:38,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:38,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:38,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243150014] [2022-10-15 21:40:38,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243150014] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:38,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:38,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:40:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188089956] [2022-10-15 21:40:38,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:38,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:40:38,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:38,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:40:38,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:38,201 INFO L87 Difference]: Start difference. First operand 161 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:38,495 INFO L93 Difference]: Finished difference Result 177 states and 193 transitions. [2022-10-15 21:40:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:40:38,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-15 21:40:38,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:38,498 INFO L225 Difference]: With dead ends: 177 [2022-10-15 21:40:38,498 INFO L226 Difference]: Without dead ends: 173 [2022-10-15 21:40:38,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:38,500 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 38 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:38,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 146 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:38,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-10-15 21:40:38,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2022-10-15 21:40:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 133 states have (on average 1.3909774436090225) internal successors, (185), 170 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 185 transitions. [2022-10-15 21:40:38,516 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 185 transitions. Word has length 16 [2022-10-15 21:40:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:38,516 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 185 transitions. [2022-10-15 21:40:38,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 185 transitions. [2022-10-15 21:40:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:40:38,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:38,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:38,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:40:38,518 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:38,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1951774434, now seen corresponding path program 1 times [2022-10-15 21:40:38,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:38,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413018899] [2022-10-15 21:40:38,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:38,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:38,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:38,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413018899] [2022-10-15 21:40:38,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413018899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:38,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:38,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:40:38,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868681611] [2022-10-15 21:40:38,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:38,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:40:38,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:38,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:40:38,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:38,622 INFO L87 Difference]: Start difference. First operand 171 states and 185 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:38,899 INFO L93 Difference]: Finished difference Result 171 states and 185 transitions. [2022-10-15 21:40:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:40:38,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-15 21:40:38,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:38,901 INFO L225 Difference]: With dead ends: 171 [2022-10-15 21:40:38,901 INFO L226 Difference]: Without dead ends: 151 [2022-10-15 21:40:38,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:40:38,903 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 114 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:38,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 21 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:38,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-10-15 21:40:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-10-15 21:40:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 133 states have (on average 1.2406015037593985) internal successors, (165), 150 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 165 transitions. [2022-10-15 21:40:38,916 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 165 transitions. Word has length 17 [2022-10-15 21:40:38,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:38,916 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 165 transitions. [2022-10-15 21:40:38,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 165 transitions. [2022-10-15 21:40:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:40:38,918 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:38,918 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] [2022-10-15 21:40:38,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:40:38,919 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:38,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:38,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1891786230, now seen corresponding path program 1 times [2022-10-15 21:40:38,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:38,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370507182] [2022-10-15 21:40:38,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:38,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:39,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:39,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:39,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370507182] [2022-10-15 21:40:39,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370507182] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:39,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:39,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:40:39,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301016984] [2022-10-15 21:40:39,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:39,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:40:39,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:39,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:40:39,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:40:39,083 INFO L87 Difference]: Start difference. First operand 151 states and 165 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:39,284 INFO L93 Difference]: Finished difference Result 170 states and 186 transitions. [2022-10-15 21:40:39,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:40:39,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2022-10-15 21:40:39,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:39,287 INFO L225 Difference]: With dead ends: 170 [2022-10-15 21:40:39,287 INFO L226 Difference]: Without dead ends: 166 [2022-10-15 21:40:39,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:40:39,291 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 83 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:39,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 121 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:40:39,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-10-15 21:40:39,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 164. [2022-10-15 21:40:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 148 states have (on average 1.2162162162162162) internal successors, (180), 163 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 180 transitions. [2022-10-15 21:40:39,312 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 180 transitions. Word has length 22 [2022-10-15 21:40:39,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:39,312 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 180 transitions. [2022-10-15 21:40:39,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 180 transitions. [2022-10-15 21:40:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 21:40:39,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:39,315 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] [2022-10-15 21:40:39,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:40:39,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:39,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:39,316 INFO L85 PathProgramCache]: Analyzing trace with hash -444208062, now seen corresponding path program 1 times [2022-10-15 21:40:39,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:39,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295256072] [2022-10-15 21:40:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:39,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:39,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295256072] [2022-10-15 21:40:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295256072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:39,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:39,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:40:39,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081402183] [2022-10-15 21:40:39,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:39,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:40:39,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:39,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:40:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:40:39,521 INFO L87 Difference]: Start difference. First operand 164 states and 180 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:39,810 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2022-10-15 21:40:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:40:39,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-10-15 21:40:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:39,812 INFO L225 Difference]: With dead ends: 183 [2022-10-15 21:40:39,812 INFO L226 Difference]: Without dead ends: 179 [2022-10-15 21:40:39,813 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 [2022-10-15 21:40:39,821 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 82 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:39,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 117 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:39,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-10-15 21:40:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2022-10-15 21:40:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 163 states have (on average 1.196319018404908) internal successors, (195), 176 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 195 transitions. [2022-10-15 21:40:39,837 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 195 transitions. Word has length 28 [2022-10-15 21:40:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:39,838 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 195 transitions. [2022-10-15 21:40:39,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 195 transitions. [2022-10-15 21:40:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:40:39,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:39,846 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] [2022-10-15 21:40:39,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 21:40:39,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:39,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:39,848 INFO L85 PathProgramCache]: Analyzing trace with hash 675418062, now seen corresponding path program 1 times [2022-10-15 21:40:39,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:39,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105089150] [2022-10-15 21:40:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:39,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:40,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:40,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:40,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105089150] [2022-10-15 21:40:40,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105089150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:40,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:40,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:40:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93965894] [2022-10-15 21:40:40,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:40:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:40:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:40:40,122 INFO L87 Difference]: Start difference. First operand 177 states and 195 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:40,431 INFO L93 Difference]: Finished difference Result 196 states and 216 transitions. [2022-10-15 21:40:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:40:40,431 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-15 21:40:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:40,433 INFO L225 Difference]: With dead ends: 196 [2022-10-15 21:40:40,433 INFO L226 Difference]: Without dead ends: 192 [2022-10-15 21:40:40,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:40:40,434 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:40,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 109 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-15 21:40:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2022-10-15 21:40:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 178 states have (on average 1.1797752808988764) internal successors, (210), 189 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 210 transitions. [2022-10-15 21:40:40,442 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 210 transitions. Word has length 34 [2022-10-15 21:40:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:40,443 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 210 transitions. [2022-10-15 21:40:40,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 210 transitions. [2022-10-15 21:40:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 21:40:40,445 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:40,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:40,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:40:40,445 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:40,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:40,446 INFO L85 PathProgramCache]: Analyzing trace with hash 419551386, now seen corresponding path program 1 times [2022-10-15 21:40:40,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:40,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642822776] [2022-10-15 21:40:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:40,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:40,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:40,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642822776] [2022-10-15 21:40:40,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642822776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:40,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:40,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:40:40,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389471947] [2022-10-15 21:40:40,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:40,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:40:40,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:40,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:40:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:40:40,605 INFO L87 Difference]: Start difference. First operand 190 states and 210 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:40,954 INFO L93 Difference]: Finished difference Result 209 states and 231 transitions. [2022-10-15 21:40:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:40:40,955 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-10-15 21:40:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:40,956 INFO L225 Difference]: With dead ends: 209 [2022-10-15 21:40:40,957 INFO L226 Difference]: Without dead ends: 205 [2022-10-15 21:40:40,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:40:40,958 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 178 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:40,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 101 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:40,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-10-15 21:40:40,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 203. [2022-10-15 21:40:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 193 states have (on average 1.16580310880829) internal successors, (225), 202 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 225 transitions. [2022-10-15 21:40:40,966 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 225 transitions. Word has length 40 [2022-10-15 21:40:40,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:40,967 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 225 transitions. [2022-10-15 21:40:40,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 225 transitions. [2022-10-15 21:40:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:40:40,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:40,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:40,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:40:40,969 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:40,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:40,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2025564506, now seen corresponding path program 1 times [2022-10-15 21:40:40,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:40,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344925180] [2022-10-15 21:40:40,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:41,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:41,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344925180] [2022-10-15 21:40:41,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344925180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:41,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:41,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:40:41,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36434927] [2022-10-15 21:40:41,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:41,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:40:41,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:41,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:40:41,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:40:41,140 INFO L87 Difference]: Start difference. First operand 203 states and 225 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:41,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:41,436 INFO L93 Difference]: Finished difference Result 222 states and 246 transitions. [2022-10-15 21:40:41,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:40:41,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-15 21:40:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:41,438 INFO L225 Difference]: With dead ends: 222 [2022-10-15 21:40:41,438 INFO L226 Difference]: Without dead ends: 218 [2022-10-15 21:40:41,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:40:41,440 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 304 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:41,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 91 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-10-15 21:40:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2022-10-15 21:40:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 208 states have (on average 1.1538461538461537) internal successors, (240), 215 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 240 transitions. [2022-10-15 21:40:41,448 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 240 transitions. Word has length 46 [2022-10-15 21:40:41,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:41,449 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 240 transitions. [2022-10-15 21:40:41,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 240 transitions. [2022-10-15 21:40:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:40:41,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:41,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:41,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 21:40:41,451 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash -889415182, now seen corresponding path program 1 times [2022-10-15 21:40:41,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:41,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216100409] [2022-10-15 21:40:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:41,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:41,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216100409] [2022-10-15 21:40:41,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216100409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:41,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:41,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-15 21:40:41,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874568668] [2022-10-15 21:40:41,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:41,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-15 21:40:41,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:41,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-15 21:40:41,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:40:41,661 INFO L87 Difference]: Start difference. First operand 216 states and 240 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:42,048 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2022-10-15 21:40:42,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:40:42,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-15 21:40:42,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:42,050 INFO L225 Difference]: With dead ends: 235 [2022-10-15 21:40:42,050 INFO L226 Difference]: Without dead ends: 231 [2022-10-15 21:40:42,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:40:42,052 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 272 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:42,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 89 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:40:42,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-15 21:40:42,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2022-10-15 21:40:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 223 states have (on average 1.1434977578475336) internal successors, (255), 228 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 255 transitions. [2022-10-15 21:40:42,061 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 255 transitions. Word has length 52 [2022-10-15 21:40:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:42,061 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 255 transitions. [2022-10-15 21:40:42,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 10 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 255 transitions. [2022-10-15 21:40:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 21:40:42,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:42,063 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] [2022-10-15 21:40:42,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 21:40:42,064 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:42,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1651395970, now seen corresponding path program 1 times [2022-10-15 21:40:42,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:42,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164614523] [2022-10-15 21:40:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:42,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:42,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164614523] [2022-10-15 21:40:42,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164614523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:42,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:42,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-15 21:40:42,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664078663] [2022-10-15 21:40:42,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:42,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-15 21:40:42,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-15 21:40:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:40:42,277 INFO L87 Difference]: Start difference. First operand 229 states and 255 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:42,622 INFO L93 Difference]: Finished difference Result 248 states and 276 transitions. [2022-10-15 21:40:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-15 21:40:42,623 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 21:40:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:42,625 INFO L225 Difference]: With dead ends: 248 [2022-10-15 21:40:42,625 INFO L226 Difference]: Without dead ends: 244 [2022-10-15 21:40:42,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:40:42,626 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 327 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:42,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 79 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:42,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-10-15 21:40:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2022-10-15 21:40:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 238 states have (on average 1.134453781512605) internal successors, (270), 241 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 270 transitions. [2022-10-15 21:40:42,635 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 270 transitions. Word has length 58 [2022-10-15 21:40:42,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:42,636 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 270 transitions. [2022-10-15 21:40:42,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 270 transitions. [2022-10-15 21:40:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 21:40:42,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:42,638 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] [2022-10-15 21:40:42,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 21:40:42,639 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:42,639 INFO L85 PathProgramCache]: Analyzing trace with hash 600396080, now seen corresponding path program 1 times [2022-10-15 21:40:42,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:42,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081632100] [2022-10-15 21:40:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:42,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:42,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081632100] [2022-10-15 21:40:42,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081632100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:42,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:42,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 21:40:42,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224725133] [2022-10-15 21:40:42,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:42,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:40:42,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:42,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:40:42,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:40:42,940 INFO L87 Difference]: Start difference. First operand 242 states and 270 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:43,333 INFO L93 Difference]: Finished difference Result 274 states and 305 transitions. [2022-10-15 21:40:43,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:40:43,333 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-15 21:40:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:43,335 INFO L225 Difference]: With dead ends: 274 [2022-10-15 21:40:43,335 INFO L226 Difference]: Without dead ends: 270 [2022-10-15 21:40:43,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:40:43,337 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 649 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:43,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 69 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:40:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-10-15 21:40:43,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2022-10-15 21:40:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 262 states have (on average 1.133587786259542) internal successors, (297), 265 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 297 transitions. [2022-10-15 21:40:43,347 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 297 transitions. Word has length 65 [2022-10-15 21:40:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:43,348 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 297 transitions. [2022-10-15 21:40:43,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 297 transitions. [2022-10-15 21:40:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-15 21:40:43,349 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:43,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:43,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 21:40:43,350 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1030991897, now seen corresponding path program 1 times [2022-10-15 21:40:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:43,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573588264] [2022-10-15 21:40:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:43,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:43,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573588264] [2022-10-15 21:40:43,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573588264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:43,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:43,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-15 21:40:43,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386416063] [2022-10-15 21:40:43,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:43,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-15 21:40:43,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:43,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-15 21:40:43,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:40:43,687 INFO L87 Difference]: Start difference. First operand 266 states and 297 transitions. Second operand has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:44,106 INFO L93 Difference]: Finished difference Result 300 states and 334 transitions. [2022-10-15 21:40:44,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:40:44,107 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-15 21:40:44,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:44,109 INFO L225 Difference]: With dead ends: 300 [2022-10-15 21:40:44,109 INFO L226 Difference]: Without dead ends: 296 [2022-10-15 21:40:44,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-15 21:40:44,111 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 677 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:44,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 76 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:40:44,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-10-15 21:40:44,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 292. [2022-10-15 21:40:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 288 states have (on average 1.1319444444444444) internal successors, (326), 291 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 326 transitions. [2022-10-15 21:40:44,124 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 326 transitions. Word has length 72 [2022-10-15 21:40:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:44,125 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 326 transitions. [2022-10-15 21:40:44,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.0) internal successors, (72), 13 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 326 transitions. [2022-10-15 21:40:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 21:40:44,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:44,127 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] [2022-10-15 21:40:44,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 21:40:44,127 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1211510819, now seen corresponding path program 1 times [2022-10-15 21:40:44,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:44,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329833833] [2022-10-15 21:40:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:44,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:44,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329833833] [2022-10-15 21:40:44,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329833833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:40:44,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:40:44,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-10-15 21:40:44,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498436761] [2022-10-15 21:40:44,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:40:44,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-15 21:40:44,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:44,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-15 21:40:44,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:40:44,463 INFO L87 Difference]: Start difference. First operand 292 states and 326 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:44,857 INFO L93 Difference]: Finished difference Result 326 states and 363 transitions. [2022-10-15 21:40:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-15 21:40:44,858 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-15 21:40:44,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:44,861 INFO L225 Difference]: With dead ends: 326 [2022-10-15 21:40:44,861 INFO L226 Difference]: Without dead ends: 322 [2022-10-15 21:40:44,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2022-10-15 21:40:44,863 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 575 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:44,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 84 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:40:44,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-10-15 21:40:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 318. [2022-10-15 21:40:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 314 states have (on average 1.1305732484076434) internal successors, (355), 317 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 355 transitions. [2022-10-15 21:40:44,878 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 355 transitions. Word has length 79 [2022-10-15 21:40:44,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:44,878 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 355 transitions. [2022-10-15 21:40:44,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 355 transitions. [2022-10-15 21:40:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 21:40:44,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:44,887 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:44,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 21:40:44,888 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:44,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:44,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1151000279, now seen corresponding path program 1 times [2022-10-15 21:40:44,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:44,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382558583] [2022-10-15 21:40:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:45,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:45,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382558583] [2022-10-15 21:40:45,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382558583] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:40:45,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474057530] [2022-10-15 21:40:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:40:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:40:45,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:40:45,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:40:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:45,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-15 21:40:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:40:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:45,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:40:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:46,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474057530] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:40:46,129 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:40:46,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 28 [2022-10-15 21:40:46,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975767366] [2022-10-15 21:40:46,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:40:46,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-10-15 21:40:46,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:46,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-10-15 21:40:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:40:46,133 INFO L87 Difference]: Start difference. First operand 318 states and 355 transitions. Second operand has 29 states, 28 states have (on average 6.392857142857143) internal successors, (179), 29 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:47,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:47,113 INFO L93 Difference]: Finished difference Result 686 states and 817 transitions. [2022-10-15 21:40:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-15 21:40:47,113 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.392857142857143) internal successors, (179), 29 states have internal predecessors, (179), 0 states have call successors, (0), 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 [2022-10-15 21:40:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:47,117 INFO L225 Difference]: With dead ends: 686 [2022-10-15 21:40:47,117 INFO L226 Difference]: Without dead ends: 682 [2022-10-15 21:40:47,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2022-10-15 21:40:47,119 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 1815 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1815 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:47,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1815 Valid, 173 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:40:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-15 21:40:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2022-10-15 21:40:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 678 states have (on average 1.1224188790560472) internal successors, (761), 681 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 761 transitions. [2022-10-15 21:40:47,141 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 761 transitions. Word has length 86 [2022-10-15 21:40:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:47,141 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 761 transitions. [2022-10-15 21:40:47,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.392857142857143) internal successors, (179), 29 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 761 transitions. [2022-10-15 21:40:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-10-15 21:40:47,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:47,145 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:47,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:40:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-15 21:40:47,360 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:47,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1844455433, now seen corresponding path program 2 times [2022-10-15 21:40:47,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:47,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121791118] [2022-10-15 21:40:47,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:48,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121791118] [2022-10-15 21:40:48,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121791118] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:40:48,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516550223] [2022-10-15 21:40:48,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:40:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:40:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:40:48,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:40:48,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:40:48,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 21:40:48,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:40:48,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-15 21:40:48,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:40:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-10-15 21:40:49,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:40:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-10-15 21:40:49,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516550223] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:40:49,595 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:40:49,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 6, 6] total 37 [2022-10-15 21:40:49,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707701403] [2022-10-15 21:40:49,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:40:49,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-15 21:40:49,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:49,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-15 21:40:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=860, Unknown=0, NotChecked=0, Total=1406 [2022-10-15 21:40:49,598 INFO L87 Difference]: Start difference. First operand 682 states and 761 transitions. Second operand has 38 states, 37 states have (on average 9.135135135135135) internal successors, (338), 38 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:40:55,213 INFO L93 Difference]: Finished difference Result 1071 states and 1220 transitions. [2022-10-15 21:40:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-15 21:40:55,214 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 9.135135135135135) internal successors, (338), 38 states have internal predecessors, (338), 0 states have call successors, (0), 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 184 [2022-10-15 21:40:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:40:55,216 INFO L225 Difference]: With dead ends: 1071 [2022-10-15 21:40:55,216 INFO L226 Difference]: Without dead ends: 222 [2022-10-15 21:40:55,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8067 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=6684, Invalid=16268, Unknown=0, NotChecked=0, Total=22952 [2022-10-15 21:40:55,230 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 4138 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 754 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4138 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 754 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:40:55,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4138 Valid, 249 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [754 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:40:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-10-15 21:40:55,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-10-15 21:40:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 219 states have (on average 1.0182648401826484) internal successors, (223), 221 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 223 transitions. [2022-10-15 21:40:55,239 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 223 transitions. Word has length 184 [2022-10-15 21:40:55,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:40:55,239 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 223 transitions. [2022-10-15 21:40:55,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 9.135135135135135) internal successors, (338), 38 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:40:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 223 transitions. [2022-10-15 21:40:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-15 21:40:55,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:40:55,243 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:40:55,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:40:55,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-15 21:40:55,457 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:40:55,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:40:55,458 INFO L85 PathProgramCache]: Analyzing trace with hash -242136656, now seen corresponding path program 1 times [2022-10-15 21:40:55,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:40:55,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303251697] [2022-10-15 21:40:55,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:55,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:40:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:56,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:40:56,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303251697] [2022-10-15 21:40:56,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303251697] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:40:56,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070661622] [2022-10-15 21:40:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:40:56,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:40:56,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:40:56,945 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:40:56,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:40:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:40:57,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-15 21:40:57,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:40:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:57,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:40:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1390 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:40:58,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070661622] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:40:58,905 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:40:58,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 62 [2022-10-15 21:40:58,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066964302] [2022-10-15 21:40:58,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:40:58,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-10-15 21:40:58,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:40:58,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-10-15 21:40:58,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2022-10-15 21:40:58,911 INFO L87 Difference]: Start difference. First operand 222 states and 223 transitions. Second operand has 63 states, 62 states have (on average 6.725806451612903) internal successors, (417), 63 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:00,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:00,020 INFO L93 Difference]: Finished difference Result 783 states and 874 transitions. [2022-10-15 21:41:00,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-15 21:41:00,021 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 62 states have (on average 6.725806451612903) internal successors, (417), 63 states have internal predecessors, (417), 0 states have call successors, (0), 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 205 [2022-10-15 21:41:00,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:00,023 INFO L225 Difference]: With dead ends: 783 [2022-10-15 21:41:00,023 INFO L226 Difference]: Without dead ends: 439 [2022-10-15 21:41:00,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2022-10-15 21:41:00,027 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1554 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:00,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 141 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 21:41:00,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-10-15 21:41:00,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2022-10-15 21:41:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 436 states have (on average 1.0091743119266054) internal successors, (440), 438 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 440 transitions. [2022-10-15 21:41:00,042 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 440 transitions. Word has length 205 [2022-10-15 21:41:00,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:00,043 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 440 transitions. [2022-10-15 21:41:00,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 6.725806451612903) internal successors, (417), 63 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 440 transitions. [2022-10-15 21:41:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-10-15 21:41:00,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:00,051 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 51, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:00,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-15 21:41:00,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-15 21:41:00,266 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:41:00,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:00,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1928756006, now seen corresponding path program 2 times [2022-10-15 21:41:00,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:00,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500389302] [2022-10-15 21:41:00,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9078 backedges. 0 proven. 9078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:41:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:05,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500389302] [2022-10-15 21:41:05,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500389302] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:41:05,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974687741] [2022-10-15 21:41:05,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:41:05,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:41:05,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:41:05,962 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:41:05,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:41:06,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 21:41:06,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:41:06,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-15 21:41:06,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:41:06,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9078 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9027 trivial. 0 not checked. [2022-10-15 21:41:06,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:41:06,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974687741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:41:06,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:41:06,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [62] total 67 [2022-10-15 21:41:06,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705203163] [2022-10-15 21:41:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:41:06,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:41:06,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:06,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:41:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2027, Invalid=2529, Unknown=0, NotChecked=0, Total=4556 [2022-10-15 21:41:06,900 INFO L87 Difference]: Start difference. First operand 439 states and 440 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:07,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:41:07,267 INFO L93 Difference]: Finished difference Result 439 states and 440 transitions. [2022-10-15 21:41:07,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:41:07,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 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 422 [2022-10-15 21:41:07,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:41:07,271 INFO L225 Difference]: With dead ends: 439 [2022-10-15 21:41:07,272 INFO L226 Difference]: Without dead ends: 438 [2022-10-15 21:41:07,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2062, Invalid=3194, Unknown=0, NotChecked=0, Total=5256 [2022-10-15 21:41:07,276 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 62 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:41:07,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 18 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:41:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-10-15 21:41:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2022-10-15 21:41:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 433 states have (on average 1.0069284064665127) internal successors, (436), 434 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 436 transitions. [2022-10-15 21:41:07,291 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 436 transitions. Word has length 422 [2022-10-15 21:41:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:41:07,292 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 436 transitions. [2022-10-15 21:41:07,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:41:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 436 transitions. [2022-10-15 21:41:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-10-15 21:41:07,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:41:07,299 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 52, 52, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:41:07,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:41:07,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:41:07,515 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-15 21:41:07,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:41:07,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1929248550, now seen corresponding path program 1 times [2022-10-15 21:41:07,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:41:07,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596554131] [2022-10-15 21:41:07,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:41:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 0 proven. 9231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:41:12,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:41:12,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596554131] [2022-10-15 21:41:12,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596554131] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:41:12,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251506706] [2022-10-15 21:41:12,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:41:12,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:41:12,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:41:12,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:41:12,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:41:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:41:12,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-15 21:41:12,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:41:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 0 proven. 9231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:41:13,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:41:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 0 proven. 9231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:41:18,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251506706] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:41:18,995 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:41:18,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 124 [2022-10-15 21:41:18,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696154044] [2022-10-15 21:41:18,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:41:18,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-10-15 21:41:18,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:41:19,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-10-15 21:41:19,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2022-10-15 21:41:19,006 INFO L87 Difference]: Start difference. First operand 435 states and 436 transitions. Second operand has 125 states, 124 states have (on average 6.862903225806452) internal successors, (851), 125 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)