/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:47:38,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:47:38,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:47:38,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:47:38,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:47:38,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:47:38,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:47:38,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:47:38,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:47:38,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:47:38,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:47:38,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:47:38,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:47:38,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:47:38,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:47:38,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:47:38,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:47:38,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:47:38,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:47:38,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:47:38,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:47:38,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:47:38,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:47:38,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:47:38,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:47:38,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:47:38,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:47:38,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:47:38,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:47:38,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:47:38,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:47:38,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:47:38,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:47:38,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:47:38,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:47:38,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:47:38,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:47:38,357 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:47:38,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:47:38,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:47:38,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:47:38,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:47:38,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:47:38,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:47:38,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:47:38,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:47:38,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:47:38,362 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:47:38,362 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:47:38,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:47:38,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:47:38,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:47:38,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:47:38,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:47:38,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:47:38,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:47:38,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:47:38,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:47:38,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:47:38,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:47:38,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:47:38,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:47:38,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:47:38,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:47:38,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:47:38,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:47:38,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:47:38,839 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:47:38,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 15:47:38,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b289e230/46da8a21ffa548f8a9ef659929ad569a/FLAGf0d6b17ee [2022-10-16 15:47:39,870 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:47:39,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 15:47:39,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b289e230/46da8a21ffa548f8a9ef659929ad569a/FLAGf0d6b17ee [2022-10-16 15:47:39,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b289e230/46da8a21ffa548f8a9ef659929ad569a [2022-10-16 15:47:39,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:47:39,944 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:47:39,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:47:39,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:47:39,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:47:39,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:47:39" (1/1) ... [2022-10-16 15:47:39,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bb3d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:39, skipping insertion in model container [2022-10-16 15:47:39,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:47:39" (1/1) ... [2022-10-16 15:47:39,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:47:40,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:47:40,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31348,31361] [2022-10-16 15:47:40,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32238,32251] [2022-10-16 15:47:40,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[33897,33910] [2022-10-16 15:47:40,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34787,34800] [2022-10-16 15:47:40,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[37218,37231] [2022-10-16 15:47:40,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[38111,38124] [2022-10-16 15:47:40,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[39773,39786] [2022-10-16 15:47:40,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[41134,41147] [2022-10-16 15:47:41,142 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[54998,55011] [2022-10-16 15:47:41,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[55891,55904] [2022-10-16 15:47:41,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57553,57566] [2022-10-16 15:47:41,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[61710,61723] [2022-10-16 15:47:41,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:47:41,393 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:47:41,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[31348,31361] [2022-10-16 15:47:41,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[32238,32251] [2022-10-16 15:47:41,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[33897,33910] [2022-10-16 15:47:41,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[34787,34800] [2022-10-16 15:47:41,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[37218,37231] [2022-10-16 15:47:41,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[38111,38124] [2022-10-16 15:47:41,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[39773,39786] [2022-10-16 15:47:41,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[41134,41147] [2022-10-16 15:47:41,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[54998,55011] [2022-10-16 15:47:41,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[55891,55904] [2022-10-16 15:47:41,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[57553,57566] [2022-10-16 15:47:42,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[61710,61723] [2022-10-16 15:47:42,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:47:42,202 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:47:42,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42 WrapperNode [2022-10-16 15:47:42,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:47:42,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:47:42,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:47:42,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:47:42,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,437 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4220 [2022-10-16 15:47:42,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:47:42,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:47:42,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:47:42,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:47:42,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:47:42,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:47:42,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:47:42,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:47:42,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (1/1) ... [2022-10-16 15:47:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:47:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:47:42,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:47:42,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:47:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:47:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:47:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:47:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:47:43,000 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:47:43,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:47:46,377 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:47:46,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:47:46,403 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:47:46,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:47:46 BoogieIcfgContainer [2022-10-16 15:47:46,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:47:46,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:47:46,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:47:46,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:47:46,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:47:39" (1/3) ... [2022-10-16 15:47:46,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2936a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:47:46, skipping insertion in model container [2022-10-16 15:47:46,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:47:42" (2/3) ... [2022-10-16 15:47:46,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2936a065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:47:46, skipping insertion in model container [2022-10-16 15:47:46,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:47:46" (3/3) ... [2022-10-16 15:47:46,418 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 15:47:46,441 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:47:46,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 448 error locations. [2022-10-16 15:47:46,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:47:46,587 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;@fbe491e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:47:46,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 448 error locations. [2022-10-16 15:47:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 1765 states, 1316 states have (on average 1.885258358662614) internal successors, (2481), 1764 states have internal predecessors, (2481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:47:46,620 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:46,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:46,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:46,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:46,630 INFO L85 PathProgramCache]: Analyzing trace with hash -316496222, now seen corresponding path program 1 times [2022-10-16 15:47:46,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:46,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913829439] [2022-10-16 15:47:46,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:46,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:47,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:47,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913829439] [2022-10-16 15:47:47,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913829439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:47,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:47,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:47,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4305593] [2022-10-16 15:47:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:47,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:47,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:47,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:47,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:47,503 INFO L87 Difference]: Start difference. First operand has 1765 states, 1316 states have (on average 1.885258358662614) internal successors, (2481), 1764 states have internal predecessors, (2481), 0 states have call successors, (0), 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 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:48,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:48,444 INFO L93 Difference]: Finished difference Result 1990 states and 2798 transitions. [2022-10-16 15:47:48,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 15:47:48,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:48,476 INFO L225 Difference]: With dead ends: 1990 [2022-10-16 15:47:48,477 INFO L226 Difference]: Without dead ends: 1939 [2022-10-16 15:47:48,482 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 [2022-10-16 15:47:48,487 INFO L413 NwaCegarLoop]: 2080 mSDtfsCounter, 1791 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:48,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 2665 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:47:48,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2022-10-16 15:47:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1897. [2022-10-16 15:47:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1897 states, 1466 states have (on average 1.709413369713506) internal successors, (2506), 1896 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2506 transitions. [2022-10-16 15:47:48,680 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2506 transitions. Word has length 107 [2022-10-16 15:47:48,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:48,681 INFO L495 AbstractCegarLoop]: Abstraction has 1897 states and 2506 transitions. [2022-10-16 15:47:48,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:48,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2506 transitions. [2022-10-16 15:47:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:47:48,686 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:48,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:48,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:47:48,687 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:48,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:48,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1221447858, now seen corresponding path program 1 times [2022-10-16 15:47:48,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:48,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653180837] [2022-10-16 15:47:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:49,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:49,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653180837] [2022-10-16 15:47:49,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653180837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:49,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:49,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:49,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798909792] [2022-10-16 15:47:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:49,137 INFO L87 Difference]: Start difference. First operand 1897 states and 2506 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:49,680 INFO L93 Difference]: Finished difference Result 1942 states and 2506 transitions. [2022-10-16 15:47:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:49,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-10-16 15:47:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:49,694 INFO L225 Difference]: With dead ends: 1942 [2022-10-16 15:47:49,695 INFO L226 Difference]: Without dead ends: 1922 [2022-10-16 15:47:49,697 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 [2022-10-16 15:47:49,699 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 1592 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:49,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1592 Valid, 2410 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:47:49,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2022-10-16 15:47:49,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1880. [2022-10-16 15:47:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1880 states, 1466 states have (on average 1.6957708049113234) internal successors, (2486), 1879 states have internal predecessors, (2486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1880 states and 2486 transitions. [2022-10-16 15:47:49,791 INFO L78 Accepts]: Start accepts. Automaton has 1880 states and 2486 transitions. Word has length 108 [2022-10-16 15:47:49,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:49,791 INFO L495 AbstractCegarLoop]: Abstraction has 1880 states and 2486 transitions. [2022-10-16 15:47:49,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2486 transitions. [2022-10-16 15:47:49,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 15:47:49,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:49,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:49,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:47:49,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:49,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:49,796 INFO L85 PathProgramCache]: Analyzing trace with hash 789822500, now seen corresponding path program 1 times [2022-10-16 15:47:49,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:49,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849562471] [2022-10-16 15:47:49,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:50,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:50,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849562471] [2022-10-16 15:47:50,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849562471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:50,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:50,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:50,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123222586] [2022-10-16 15:47:50,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:50,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:50,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:50,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:50,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:50,068 INFO L87 Difference]: Start difference. First operand 1880 states and 2486 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:50,684 INFO L93 Difference]: Finished difference Result 2093 states and 2791 transitions. [2022-10-16 15:47:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:50,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-10-16 15:47:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:50,699 INFO L225 Difference]: With dead ends: 2093 [2022-10-16 15:47:50,700 INFO L226 Difference]: Without dead ends: 2076 [2022-10-16 15:47:50,702 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 [2022-10-16 15:47:50,709 INFO L413 NwaCegarLoop]: 1868 mSDtfsCounter, 1466 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:50,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 2452 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:47:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2022-10-16 15:47:50,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2040. [2022-10-16 15:47:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 1640 states have (on average 1.6914634146341463) internal successors, (2774), 2039 states have internal predecessors, (2774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2774 transitions. [2022-10-16 15:47:50,834 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2774 transitions. Word has length 109 [2022-10-16 15:47:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:50,835 INFO L495 AbstractCegarLoop]: Abstraction has 2040 states and 2774 transitions. [2022-10-16 15:47:50,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2774 transitions. [2022-10-16 15:47:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:47:50,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:50,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:50,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:47:50,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:50,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:50,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1285305840, now seen corresponding path program 1 times [2022-10-16 15:47:50,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:50,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685716329] [2022-10-16 15:47:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:51,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:51,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685716329] [2022-10-16 15:47:51,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685716329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:51,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:51,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:51,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073216876] [2022-10-16 15:47:51,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:51,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:51,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:51,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:51,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:51,172 INFO L87 Difference]: Start difference. First operand 2040 states and 2774 transitions. Second operand has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:51,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:51,789 INFO L93 Difference]: Finished difference Result 2079 states and 2774 transitions. [2022-10-16 15:47:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:51,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 15:47:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:51,801 INFO L225 Difference]: With dead ends: 2079 [2022-10-16 15:47:51,802 INFO L226 Difference]: Without dead ends: 2062 [2022-10-16 15:47:51,804 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 [2022-10-16 15:47:51,805 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 1448 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 2455 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:51,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 2455 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:47:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2022-10-16 15:47:51,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2026. [2022-10-16 15:47:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1640 states have (on average 1.6810975609756098) internal successors, (2757), 2025 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:51,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2757 transitions. [2022-10-16 15:47:51,924 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2757 transitions. Word has length 110 [2022-10-16 15:47:51,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:51,925 INFO L495 AbstractCegarLoop]: Abstraction has 2026 states and 2757 transitions. [2022-10-16 15:47:51,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.0) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2757 transitions. [2022-10-16 15:47:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:47:51,927 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:51,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:51,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:47:51,928 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:51,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:51,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1189774938, now seen corresponding path program 1 times [2022-10-16 15:47:51,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:51,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985396677] [2022-10-16 15:47:51,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:51,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:52,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985396677] [2022-10-16 15:47:52,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985396677] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:52,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:52,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129942711] [2022-10-16 15:47:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:52,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:52,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:52,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:52,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:52,187 INFO L87 Difference]: Start difference. First operand 2026 states and 2757 transitions. Second operand has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:52,916 INFO L93 Difference]: Finished difference Result 2431 states and 3420 transitions. [2022-10-16 15:47:52,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:47:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:52,931 INFO L225 Difference]: With dead ends: 2431 [2022-10-16 15:47:52,931 INFO L226 Difference]: Without dead ends: 2412 [2022-10-16 15:47:52,934 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 [2022-10-16 15:47:52,935 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1631 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:52,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 2144 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:47:52,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2022-10-16 15:47:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2398. [2022-10-16 15:47:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2030 states have (on average 1.6724137931034482) internal successors, (3395), 2397 states have internal predecessors, (3395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3395 transitions. [2022-10-16 15:47:53,139 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3395 transitions. Word has length 111 [2022-10-16 15:47:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:53,140 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 3395 transitions. [2022-10-16 15:47:53,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3395 transitions. [2022-10-16 15:47:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:47:53,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:53,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:53,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:47:53,143 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:53,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:53,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1771683026, now seen corresponding path program 1 times [2022-10-16 15:47:53,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:53,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758492806] [2022-10-16 15:47:53,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:53,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:53,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:53,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758492806] [2022-10-16 15:47:53,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758492806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:53,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:53,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:53,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419155675] [2022-10-16 15:47:53,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:53,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:53,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:53,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:53,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:53,385 INFO L87 Difference]: Start difference. First operand 2398 states and 3395 transitions. Second operand has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:54,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:54,201 INFO L93 Difference]: Finished difference Result 3108 states and 4543 transitions. [2022-10-16 15:47:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:54,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 15:47:54,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:54,218 INFO L225 Difference]: With dead ends: 3108 [2022-10-16 15:47:54,218 INFO L226 Difference]: Without dead ends: 3093 [2022-10-16 15:47:54,219 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 [2022-10-16 15:47:54,220 INFO L413 NwaCegarLoop]: 1855 mSDtfsCounter, 1485 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1485 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:54,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1485 Valid, 2313 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:47:54,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2022-10-16 15:47:54,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 3051. [2022-10-16 15:47:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 2695 states have (on average 1.676808905380334) internal successors, (4519), 3050 states have internal predecessors, (4519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4519 transitions. [2022-10-16 15:47:54,430 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4519 transitions. Word has length 112 [2022-10-16 15:47:54,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:54,431 INFO L495 AbstractCegarLoop]: Abstraction has 3051 states and 4519 transitions. [2022-10-16 15:47:54,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.0) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:54,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4519 transitions. [2022-10-16 15:47:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:47:54,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:54,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:54,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:47:54,434 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:54,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:54,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1780352948, now seen corresponding path program 1 times [2022-10-16 15:47:54,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:54,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359718287] [2022-10-16 15:47:54,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:54,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:54,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:54,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359718287] [2022-10-16 15:47:54,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359718287] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:54,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:54,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:54,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358890975] [2022-10-16 15:47:54,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:54,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:54,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:54,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:54,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:54,608 INFO L87 Difference]: Start difference. First operand 3051 states and 4519 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:55,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:55,631 INFO L93 Difference]: Finished difference Result 4370 states and 6724 transitions. [2022-10-16 15:47:55,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:55,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 15:47:55,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:55,659 INFO L225 Difference]: With dead ends: 4370 [2022-10-16 15:47:55,659 INFO L226 Difference]: Without dead ends: 4364 [2022-10-16 15:47:55,661 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 [2022-10-16 15:47:55,662 INFO L413 NwaCegarLoop]: 1729 mSDtfsCounter, 1523 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:55,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 2216 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:47:55,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2022-10-16 15:47:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 4339. [2022-10-16 15:47:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4339 states, 3988 states have (on average 1.6787863590772316) internal successors, (6695), 4338 states have internal predecessors, (6695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 4339 states and 6695 transitions. [2022-10-16 15:47:56,096 INFO L78 Accepts]: Start accepts. Automaton has 4339 states and 6695 transitions. Word has length 114 [2022-10-16 15:47:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:56,096 INFO L495 AbstractCegarLoop]: Abstraction has 4339 states and 6695 transitions. [2022-10-16 15:47:56,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 6695 transitions. [2022-10-16 15:47:56,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:47:56,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:56,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:56,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:47:56,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:56,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:56,100 INFO L85 PathProgramCache]: Analyzing trace with hash -643633013, now seen corresponding path program 1 times [2022-10-16 15:47:56,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:56,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682364672] [2022-10-16 15:47:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:56,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:56,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:56,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682364672] [2022-10-16 15:47:56,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682364672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:56,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:56,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:56,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214481651] [2022-10-16 15:47:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:56,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:56,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:56,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:56,273 INFO L87 Difference]: Start difference. First operand 4339 states and 6695 transitions. Second operand has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:57,436 INFO L93 Difference]: Finished difference Result 7126 states and 11366 transitions. [2022-10-16 15:47:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:57,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 15:47:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:47:57,478 INFO L225 Difference]: With dead ends: 7126 [2022-10-16 15:47:57,479 INFO L226 Difference]: Without dead ends: 7120 [2022-10-16 15:47:57,482 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 [2022-10-16 15:47:57,483 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 1249 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:47:57,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 2814 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:47:57,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7120 states. [2022-10-16 15:47:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7120 to 7067. [2022-10-16 15:47:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7067 states, 6721 states have (on average 1.685909834846005) internal successors, (11331), 7066 states have internal predecessors, (11331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 11331 transitions. [2022-10-16 15:47:58,239 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 11331 transitions. Word has length 115 [2022-10-16 15:47:58,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:47:58,240 INFO L495 AbstractCegarLoop]: Abstraction has 7067 states and 11331 transitions. [2022-10-16 15:47:58,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 11331 transitions. [2022-10-16 15:47:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:47:58,242 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:47:58,242 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:47:58,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:47:58,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:47:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:47:58,243 INFO L85 PathProgramCache]: Analyzing trace with hash -56020467, now seen corresponding path program 1 times [2022-10-16 15:47:58,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:47:58,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984857616] [2022-10-16 15:47:58,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:47:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:47:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:47:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:47:58,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:47:58,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984857616] [2022-10-16 15:47:58,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984857616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:47:58,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:47:58,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:47:58,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149799020] [2022-10-16 15:47:58,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:47:58,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:47:58,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:47:58,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:47:58,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:47:58,412 INFO L87 Difference]: Start difference. First operand 7067 states and 11331 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:47:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:47:59,988 INFO L93 Difference]: Finished difference Result 12146 states and 19880 transitions. [2022-10-16 15:47:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:47:59,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2022-10-16 15:47:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:00,034 INFO L225 Difference]: With dead ends: 12146 [2022-10-16 15:48:00,035 INFO L226 Difference]: Without dead ends: 12140 [2022-10-16 15:48:00,039 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 [2022-10-16 15:48:00,040 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 1523 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:00,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 2195 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:48:00,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12140 states. [2022-10-16 15:48:01,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12140 to 12085. [2022-10-16 15:48:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 11744 states have (on average 1.6850306539509536) internal successors, (19789), 12084 states have internal predecessors, (19789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 19789 transitions. [2022-10-16 15:48:01,094 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 19789 transitions. Word has length 117 [2022-10-16 15:48:01,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:01,094 INFO L495 AbstractCegarLoop]: Abstraction has 12085 states and 19789 transitions. [2022-10-16 15:48:01,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 19789 transitions. [2022-10-16 15:48:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:48:01,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:01,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:01,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:48:01,097 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:48:01,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:01,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1736634023, now seen corresponding path program 1 times [2022-10-16 15:48:01,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:01,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330122827] [2022-10-16 15:48:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:01,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330122827] [2022-10-16 15:48:01,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330122827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:01,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:01,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:01,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802441915] [2022-10-16 15:48:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:01,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:01,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:01,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:01,328 INFO L87 Difference]: Start difference. First operand 12085 states and 19789 transitions. Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:03,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:03,716 INFO L93 Difference]: Finished difference Result 22486 states and 37320 transitions. [2022-10-16 15:48:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:03,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 15:48:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:03,787 INFO L225 Difference]: With dead ends: 22486 [2022-10-16 15:48:03,787 INFO L226 Difference]: Without dead ends: 22480 [2022-10-16 15:48:03,798 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 [2022-10-16 15:48:03,799 INFO L413 NwaCegarLoop]: 2186 mSDtfsCounter, 1274 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1274 SdHoareTripleChecker+Valid, 2764 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:03,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1274 Valid, 2764 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:48:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22480 states. [2022-10-16 15:48:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22480 to 22399. [2022-10-16 15:48:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22063 states have (on average 1.68685128948919) internal successors, (37217), 22398 states have internal predecessors, (37217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 37217 transitions. [2022-10-16 15:48:05,581 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 37217 transitions. Word has length 118 [2022-10-16 15:48:05,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:05,581 INFO L495 AbstractCegarLoop]: Abstraction has 22399 states and 37217 transitions. [2022-10-16 15:48:05,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 37217 transitions. [2022-10-16 15:48:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:48:05,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:05,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:05,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:48:05,585 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:48:05,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:05,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1836996667, now seen corresponding path program 1 times [2022-10-16 15:48:05,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:05,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167076704] [2022-10-16 15:48:05,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:05,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:05,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167076704] [2022-10-16 15:48:05,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167076704] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:05,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:05,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:05,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390420796] [2022-10-16 15:48:05,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:05,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:05,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:05,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:05,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:05,788 INFO L87 Difference]: Start difference. First operand 22399 states and 37217 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:09,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:09,165 INFO L93 Difference]: Finished difference Result 41800 states and 69878 transitions. [2022-10-16 15:48:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:09,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:48:09,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:09,287 INFO L225 Difference]: With dead ends: 41800 [2022-10-16 15:48:09,288 INFO L226 Difference]: Without dead ends: 41794 [2022-10-16 15:48:09,307 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 [2022-10-16 15:48:09,307 INFO L413 NwaCegarLoop]: 1813 mSDtfsCounter, 1561 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 2302 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:09,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 2302 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:48:09,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41794 states. [2022-10-16 15:48:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41794 to 41623. [2022-10-16 15:48:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41623 states, 41292 states have (on average 1.6842729826600795) internal successors, (69547), 41622 states have internal predecessors, (69547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41623 states to 41623 states and 69547 transitions. [2022-10-16 15:48:13,254 INFO L78 Accepts]: Start accepts. Automaton has 41623 states and 69547 transitions. Word has length 120 [2022-10-16 15:48:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:13,254 INFO L495 AbstractCegarLoop]: Abstraction has 41623 states and 69547 transitions. [2022-10-16 15:48:13,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 41623 states and 69547 transitions. [2022-10-16 15:48:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:48:13,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:13,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:13,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:48:13,257 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:48:13,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:13,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1112322290, now seen corresponding path program 1 times [2022-10-16 15:48:13,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:13,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495499688] [2022-10-16 15:48:13,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:13,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:13,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:13,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495499688] [2022-10-16 15:48:13,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495499688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:13,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:13,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932668483] [2022-10-16 15:48:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:13,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:13,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:13,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:13,683 INFO L87 Difference]: Start difference. First operand 41623 states and 69547 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:19,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:19,870 INFO L93 Difference]: Finished difference Result 80850 states and 135602 transitions. [2022-10-16 15:48:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:19,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 15:48:19,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:20,018 INFO L225 Difference]: With dead ends: 80850 [2022-10-16 15:48:20,019 INFO L226 Difference]: Without dead ends: 80844 [2022-10-16 15:48:20,051 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 [2022-10-16 15:48:20,052 INFO L413 NwaCegarLoop]: 2236 mSDtfsCounter, 1337 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:20,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 2856 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:48:20,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80844 states. [2022-10-16 15:48:26,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80844 to 80649. [2022-10-16 15:48:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80649 states, 80323 states have (on average 1.6837892011005564) internal successors, (135247), 80648 states have internal predecessors, (135247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80649 states to 80649 states and 135247 transitions. [2022-10-16 15:48:27,161 INFO L78 Accepts]: Start accepts. Automaton has 80649 states and 135247 transitions. Word has length 121 [2022-10-16 15:48:27,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:27,161 INFO L495 AbstractCegarLoop]: Abstraction has 80649 states and 135247 transitions. [2022-10-16 15:48:27,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 80649 states and 135247 transitions. [2022-10-16 15:48:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:48:27,164 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:27,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:27,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:48:27,165 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:48:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:27,166 INFO L85 PathProgramCache]: Analyzing trace with hash -505121164, now seen corresponding path program 1 times [2022-10-16 15:48:27,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:27,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540350003] [2022-10-16 15:48:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:27,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:27,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:27,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540350003] [2022-10-16 15:48:27,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540350003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:27,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:27,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:27,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111877348] [2022-10-16 15:48:27,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:27,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:27,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:27,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:27,359 INFO L87 Difference]: Start difference. First operand 80649 states and 135247 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:48:37,973 INFO L93 Difference]: Finished difference Result 139365 states and 234286 transitions. [2022-10-16 15:48:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:48:37,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:48:37,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:48:38,402 INFO L225 Difference]: With dead ends: 139365 [2022-10-16 15:48:38,402 INFO L226 Difference]: Without dead ends: 139359 [2022-10-16 15:48:38,443 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 [2022-10-16 15:48:38,446 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 1675 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 2335 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:48:38,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 2335 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:48:38,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139359 states. [2022-10-16 15:48:49,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139359 to 138847. [2022-10-16 15:48:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138847 states, 138526 states have (on average 1.683821087738042) internal successors, (233253), 138846 states have internal predecessors, (233253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138847 states to 138847 states and 233253 transitions. [2022-10-16 15:48:50,619 INFO L78 Accepts]: Start accepts. Automaton has 138847 states and 233253 transitions. Word has length 123 [2022-10-16 15:48:50,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:48:50,620 INFO L495 AbstractCegarLoop]: Abstraction has 138847 states and 233253 transitions. [2022-10-16 15:48:50,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:48:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 138847 states and 233253 transitions. [2022-10-16 15:48:50,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:48:50,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:48:50,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:48:50,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:48:50,622 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:48:50,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:48:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1521113568, now seen corresponding path program 1 times [2022-10-16 15:48:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:48:50,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157633302] [2022-10-16 15:48:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:48:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:48:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:48:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:48:50,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:48:50,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157633302] [2022-10-16 15:48:50,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157633302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:48:50,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:48:50,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:48:50,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035789363] [2022-10-16 15:48:50,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:48:50,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:48:50,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:48:50,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:48:50,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:48:50,870 INFO L87 Difference]: Start difference. First operand 138847 states and 233253 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:12,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:49:12,090 INFO L93 Difference]: Finished difference Result 256973 states and 432442 transitions. [2022-10-16 15:49:12,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:49:12,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 15:49:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:49:13,015 INFO L225 Difference]: With dead ends: 256973 [2022-10-16 15:49:13,015 INFO L226 Difference]: Without dead ends: 256967 [2022-10-16 15:49:13,119 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 [2022-10-16 15:49:13,126 INFO L413 NwaCegarLoop]: 2286 mSDtfsCounter, 1476 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:49:13,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 2874 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:49:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256967 states. [2022-10-16 15:49:36,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256967 to 256433. [2022-10-16 15:49:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256433 states, 256117 states have (on average 1.6842341586071992) internal successors, (431361), 256432 states have internal predecessors, (431361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:37,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256433 states to 256433 states and 431361 transitions. [2022-10-16 15:49:37,920 INFO L78 Accepts]: Start accepts. Automaton has 256433 states and 431361 transitions. Word has length 124 [2022-10-16 15:49:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:49:37,920 INFO L495 AbstractCegarLoop]: Abstraction has 256433 states and 431361 transitions. [2022-10-16 15:49:37,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:49:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 256433 states and 431361 transitions. [2022-10-16 15:49:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:49:37,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:49:37,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:49:37,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:49:37,923 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 445 more)] === [2022-10-16 15:49:37,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:49:37,924 INFO L85 PathProgramCache]: Analyzing trace with hash 7127504, now seen corresponding path program 1 times [2022-10-16 15:49:37,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:49:37,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124290611] [2022-10-16 15:49:37,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:49:37,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:49:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:49:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:49:38,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:49:38,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124290611] [2022-10-16 15:49:38,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124290611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:49:38,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:49:38,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:49:38,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614744300] [2022-10-16 15:49:38,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:49:38,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:49:38,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:49:38,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:49:38,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:49:38,115 INFO L87 Difference]: Start difference. First operand 256433 states and 431361 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)