/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:22:06,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:22:06,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:22:06,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:22:06,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:22:06,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:22:06,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:22:06,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:22:06,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:22:06,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:22:06,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:22:06,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:22:06,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:22:06,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:22:06,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:22:06,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:22:06,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:22:06,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:22:06,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:22:06,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:22:06,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:22:06,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:22:06,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:22:06,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:22:06,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:22:06,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:22:06,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:22:06,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:22:06,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:22:06,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:22:06,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:22:06,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:22:06,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:22:06,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:22:06,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:22:06,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:22:06,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:22:06,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:22:06,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:22:06,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:22:06,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:22:06,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:22:06,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:22:06,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:22:06,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:22:06,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:22:06,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:22:06,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:22:06,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:22:06,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:22:06,731 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:22:06,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:22:06,731 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:22:06,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:22:06,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:22:06,734 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:22:06,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:22:06,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:22:06,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:22:06,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:22:06,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:22:06,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:22:06,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:22:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:22:06,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:22:06,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:22:06,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:22:06,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:22:06,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:22:06,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:22:06,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:22:07,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:22:07,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:22:07,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:22:07,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:22:07,181 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:22:07,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:22:07,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1749d0421/99dfb83914b847b789cd636596f2a3d0/FLAG194511a24 [2022-10-16 16:22:08,167 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:22:08,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:22:08,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1749d0421/99dfb83914b847b789cd636596f2a3d0/FLAG194511a24 [2022-10-16 16:22:08,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1749d0421/99dfb83914b847b789cd636596f2a3d0 [2022-10-16 16:22:08,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:22:08,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:22:08,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:22:08,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:22:08,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:22:08,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:08" (1/1) ... [2022-10-16 16:22:08,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152f927d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:08, skipping insertion in model container [2022-10-16 16:22:08,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:08" (1/1) ... [2022-10-16 16:22:08,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:22:08,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:22:08,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2022-10-16 16:22:08,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2022-10-16 16:22:09,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2022-10-16 16:22:09,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2022-10-16 16:22:09,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2022-10-16 16:22:09,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2022-10-16 16:22:09,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2022-10-16 16:22:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2022-10-16 16:22:09,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2022-10-16 16:22:09,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2022-10-16 16:22:09,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2022-10-16 16:22:09,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:22:09,259 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:22:09,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2022-10-16 16:22:09,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2022-10-16 16:22:09,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2022-10-16 16:22:09,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2022-10-16 16:22:09,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2022-10-16 16:22:09,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2022-10-16 16:22:09,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2022-10-16 16:22:09,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2022-10-16 16:22:09,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2022-10-16 16:22:09,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2022-10-16 16:22:09,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2022-10-16 16:22:09,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:22:09,530 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:22:09,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09 WrapperNode [2022-10-16 16:22:09,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:22:09,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:22:09,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:22:09,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:22:09,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,664 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3170 [2022-10-16 16:22:09,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:22:09,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:22:09,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:22:09,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:22:09,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:22:09,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:22:09,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:22:09,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:22:09,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:22:09,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:22:09,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:22:09,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:22:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:22:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:22:09,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:22:09,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:22:10,184 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:22:10,187 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:22:12,643 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:22:12,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:22:12,661 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:22:12,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:12 BoogieIcfgContainer [2022-10-16 16:22:12,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:22:12,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:22:12,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:22:12,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:22:12,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:22:08" (1/3) ... [2022-10-16 16:22:12,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6452fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:12, skipping insertion in model container [2022-10-16 16:22:12,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09" (2/3) ... [2022-10-16 16:22:12,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6452fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:12, skipping insertion in model container [2022-10-16 16:22:12,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:12" (3/3) ... [2022-10-16 16:22:12,675 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-10-16 16:22:12,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:22:12,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 400 error locations. [2022-10-16 16:22:12,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:22:12,825 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;@3edb36ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:22:12,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 400 error locations. [2022-10-16 16:22:12,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 1348 states, 947 states have (on average 1.8722280887011615) internal successors, (1773), 1347 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 16:22:12,848 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:12,850 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] [2022-10-16 16:22:12,851 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr368ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:12,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:12,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1577895556, now seen corresponding path program 1 times [2022-10-16 16:22:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:12,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896412674] [2022-10-16 16:22:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:12,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:13,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:13,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896412674] [2022-10-16 16:22:13,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896412674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:13,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:13,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470546736] [2022-10-16 16:22:13,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:13,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:13,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:13,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:13,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:13,478 INFO L87 Difference]: Start difference. First operand has 1348 states, 947 states have (on average 1.8722280887011615) internal successors, (1773), 1347 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:14,806 INFO L93 Difference]: Finished difference Result 1546 states and 2033 transitions. [2022-10-16 16:22:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:14,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 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 36 [2022-10-16 16:22:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:14,835 INFO L225 Difference]: With dead ends: 1546 [2022-10-16 16:22:14,836 INFO L226 Difference]: Without dead ends: 1478 [2022-10-16 16:22:14,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:14,846 INFO L413 NwaCegarLoop]: 1236 mSDtfsCounter, 2753 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:14,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2753 Valid, 1936 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:22:14,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-10-16 16:22:14,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1366. [2022-10-16 16:22:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1366 states, 1005 states have (on average 1.5393034825870646) internal successors, (1547), 1365 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1547 transitions. [2022-10-16 16:22:14,995 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1547 transitions. Word has length 36 [2022-10-16 16:22:14,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:14,996 INFO L495 AbstractCegarLoop]: Abstraction has 1366 states and 1547 transitions. [2022-10-16 16:22:14,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1547 transitions. [2022-10-16 16:22:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 16:22:14,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:15,000 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] [2022-10-16 16:22:15,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:22:15,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr369ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:15,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:15,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1670119153, now seen corresponding path program 1 times [2022-10-16 16:22:15,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:15,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725870671] [2022-10-16 16:22:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:15,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:15,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725870671] [2022-10-16 16:22:15,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725870671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:15,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:15,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:15,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42621640] [2022-10-16 16:22:15,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:15,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:15,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:15,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:15,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:15,258 INFO L87 Difference]: Start difference. First operand 1366 states and 1547 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:16,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:16,028 INFO L93 Difference]: Finished difference Result 1459 states and 1672 transitions. [2022-10-16 16:22:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:16,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 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 37 [2022-10-16 16:22:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:16,044 INFO L225 Difference]: With dead ends: 1459 [2022-10-16 16:22:16,044 INFO L226 Difference]: Without dead ends: 1409 [2022-10-16 16:22:16,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:16,049 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 2571 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:16,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 1018 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:16,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2022-10-16 16:22:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1393. [2022-10-16 16:22:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1079 states have (on average 1.500463392029657) internal successors, (1619), 1392 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1619 transitions. [2022-10-16 16:22:16,117 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1619 transitions. Word has length 37 [2022-10-16 16:22:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:16,118 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1619 transitions. [2022-10-16 16:22:16,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:16,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1619 transitions. [2022-10-16 16:22:16,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 16:22:16,124 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:16,124 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] [2022-10-16 16:22:16,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:22:16,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr370ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash -234083362, now seen corresponding path program 1 times [2022-10-16 16:22:16,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:16,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025675109] [2022-10-16 16:22:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:16,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:16,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:16,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025675109] [2022-10-16 16:22:16,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025675109] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:16,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:16,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:16,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141539442] [2022-10-16 16:22:16,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:16,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:16,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:16,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:16,308 INFO L87 Difference]: Start difference. First operand 1393 states and 1619 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:17,353 INFO L93 Difference]: Finished difference Result 1589 states and 1860 transitions. [2022-10-16 16:22:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:22:17,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2022-10-16 16:22:17,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:17,365 INFO L225 Difference]: With dead ends: 1589 [2022-10-16 16:22:17,365 INFO L226 Difference]: Without dead ends: 1550 [2022-10-16 16:22:17,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:17,375 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 3041 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:17,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 2027 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-10-16 16:22:17,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1431. [2022-10-16 16:22:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1153 states have (on average 1.4735472679965307) internal successors, (1699), 1430 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1699 transitions. [2022-10-16 16:22:17,458 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1699 transitions. Word has length 38 [2022-10-16 16:22:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:17,459 INFO L495 AbstractCegarLoop]: Abstraction has 1431 states and 1699 transitions. [2022-10-16 16:22:17,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1699 transitions. [2022-10-16 16:22:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 16:22:17,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:17,464 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] [2022-10-16 16:22:17,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:22:17,465 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr371ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:17,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:17,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1333353201, now seen corresponding path program 1 times [2022-10-16 16:22:17,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:17,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076953339] [2022-10-16 16:22:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:17,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:17,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076953339] [2022-10-16 16:22:17,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076953339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:17,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:17,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971542090] [2022-10-16 16:22:17,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:17,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:17,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:17,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:17,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:17,601 INFO L87 Difference]: Start difference. First operand 1431 states and 1699 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:18,470 INFO L93 Difference]: Finished difference Result 1537 states and 1821 transitions. [2022-10-16 16:22:18,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:18,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-10-16 16:22:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:18,481 INFO L225 Difference]: With dead ends: 1537 [2022-10-16 16:22:18,481 INFO L226 Difference]: Without dead ends: 1492 [2022-10-16 16:22:18,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:18,486 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 3502 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3502 SdHoareTripleChecker+Valid, 1346 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:18,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3502 Valid, 1346 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:18,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2022-10-16 16:22:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1463. [2022-10-16 16:22:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 1227 states have (on average 1.4425427872860637) internal successors, (1770), 1462 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1770 transitions. [2022-10-16 16:22:18,552 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1770 transitions. Word has length 39 [2022-10-16 16:22:18,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:18,552 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 1770 transitions. [2022-10-16 16:22:18,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1770 transitions. [2022-10-16 16:22:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 16:22:18,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:18,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:18,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:22:18,557 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr372ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:18,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:18,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1615720896, now seen corresponding path program 1 times [2022-10-16 16:22:18,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:18,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420328028] [2022-10-16 16:22:18,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:18,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:18,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:18,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420328028] [2022-10-16 16:22:18,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420328028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:18,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:18,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:18,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568370915] [2022-10-16 16:22:18,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:18,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:18,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:18,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:18,710 INFO L87 Difference]: Start difference. First operand 1463 states and 1770 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:20,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:20,026 INFO L93 Difference]: Finished difference Result 2603 states and 3442 transitions. [2022-10-16 16:22:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:22:20,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-10-16 16:22:20,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:20,040 INFO L225 Difference]: With dead ends: 2603 [2022-10-16 16:22:20,040 INFO L226 Difference]: Without dead ends: 2177 [2022-10-16 16:22:20,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:22:20,044 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 3822 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 1717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:20,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3822 Valid, 2884 Invalid, 1717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:22:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2022-10-16 16:22:20,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1799. [2022-10-16 16:22:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1597 states have (on average 1.4439574201628051) internal successors, (2306), 1798 states have internal predecessors, (2306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2306 transitions. [2022-10-16 16:22:20,185 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2306 transitions. Word has length 40 [2022-10-16 16:22:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:20,186 INFO L495 AbstractCegarLoop]: Abstraction has 1799 states and 2306 transitions. [2022-10-16 16:22:20,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2306 transitions. [2022-10-16 16:22:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 16:22:20,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:20,188 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] [2022-10-16 16:22:20,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:22:20,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr373ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1452262611, now seen corresponding path program 1 times [2022-10-16 16:22:20,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:20,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457955639] [2022-10-16 16:22:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:20,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:20,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457955639] [2022-10-16 16:22:20,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457955639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:20,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:20,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:20,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354159079] [2022-10-16 16:22:20,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:20,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:20,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:20,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:20,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:20,325 INFO L87 Difference]: Start difference. First operand 1799 states and 2306 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:21,411 INFO L93 Difference]: Finished difference Result 2160 states and 2788 transitions. [2022-10-16 16:22:21,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:22:21,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-10-16 16:22:21,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:21,423 INFO L225 Difference]: With dead ends: 2160 [2022-10-16 16:22:21,423 INFO L226 Difference]: Without dead ends: 2118 [2022-10-16 16:22:21,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:22:21,427 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 4438 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 1807 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:21,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4438 Valid, 1807 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:21,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2022-10-16 16:22:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2056. [2022-10-16 16:22:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 1892 states have (on average 1.4371035940803383) internal successors, (2719), 2055 states have internal predecessors, (2719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2719 transitions. [2022-10-16 16:22:21,542 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2719 transitions. Word has length 41 [2022-10-16 16:22:21,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:21,542 INFO L495 AbstractCegarLoop]: Abstraction has 2056 states and 2719 transitions. [2022-10-16 16:22:21,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2719 transitions. [2022-10-16 16:22:21,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:22:21,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:21,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:21,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:22:21,545 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr380ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1128546179, now seen corresponding path program 1 times [2022-10-16 16:22:21,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:21,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221849724] [2022-10-16 16:22:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:21,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:21,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:21,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221849724] [2022-10-16 16:22:21,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221849724] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:21,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:21,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:21,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640942443] [2022-10-16 16:22:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:21,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:21,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:21,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:21,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:21,649 INFO L87 Difference]: Start difference. First operand 2056 states and 2719 transitions. Second operand has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:21,872 INFO L93 Difference]: Finished difference Result 2056 states and 2719 transitions. [2022-10-16 16:22:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:21,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:22:21,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:21,886 INFO L225 Difference]: With dead ends: 2056 [2022-10-16 16:22:21,887 INFO L226 Difference]: Without dead ends: 2024 [2022-10-16 16:22:21,888 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 16:22:21,890 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 323 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 1946 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:21,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 1946 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:21,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2022-10-16 16:22:22,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 2024. [2022-10-16 16:22:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1892 states have (on average 1.4201902748414377) internal successors, (2687), 2023 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2687 transitions. [2022-10-16 16:22:22,027 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2687 transitions. Word has length 53 [2022-10-16 16:22:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:22,028 INFO L495 AbstractCegarLoop]: Abstraction has 2024 states and 2687 transitions. [2022-10-16 16:22:22,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2687 transitions. [2022-10-16 16:22:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:22:22,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:22,030 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] [2022-10-16 16:22:22,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:22:22,030 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr382ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:22,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:22,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2054754424, now seen corresponding path program 1 times [2022-10-16 16:22:22,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:22,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851159050] [2022-10-16 16:22:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:22,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:22,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851159050] [2022-10-16 16:22:22,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851159050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:22,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:22,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419820343] [2022-10-16 16:22:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:22,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:22,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:22,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:22,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:22,129 INFO L87 Difference]: Start difference. First operand 2024 states and 2687 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:22,333 INFO L93 Difference]: Finished difference Result 2024 states and 2687 transitions. [2022-10-16 16:22:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:22,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-16 16:22:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:22,346 INFO L225 Difference]: With dead ends: 2024 [2022-10-16 16:22:22,346 INFO L226 Difference]: Without dead ends: 2007 [2022-10-16 16:22:22,348 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 16:22:22,348 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 1105 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:22,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 1084 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:22,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2022-10-16 16:22:22,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 2007. [2022-10-16 16:22:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1892 states have (on average 1.4043340380549683) internal successors, (2657), 2006 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2657 transitions. [2022-10-16 16:22:22,463 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2657 transitions. Word has length 57 [2022-10-16 16:22:22,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:22,463 INFO L495 AbstractCegarLoop]: Abstraction has 2007 states and 2657 transitions. [2022-10-16 16:22:22,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2657 transitions. [2022-10-16 16:22:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:22:22,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:22,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:22,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:22:22,466 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr383ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:22,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:22,466 INFO L85 PathProgramCache]: Analyzing trace with hash 727125176, now seen corresponding path program 1 times [2022-10-16 16:22:22,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:22,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286453668] [2022-10-16 16:22:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:22,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:22,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286453668] [2022-10-16 16:22:22,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286453668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:22,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:22,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:22:22,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961919407] [2022-10-16 16:22:22,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:22,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:22,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:22,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:22,567 INFO L87 Difference]: Start difference. First operand 2007 states and 2657 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:22,754 INFO L93 Difference]: Finished difference Result 2007 states and 2657 transitions. [2022-10-16 16:22:22,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:22,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:22:22,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:22,764 INFO L225 Difference]: With dead ends: 2007 [2022-10-16 16:22:22,764 INFO L226 Difference]: Without dead ends: 1990 [2022-10-16 16:22:22,765 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 16:22:22,766 INFO L413 NwaCegarLoop]: 1084 mSDtfsCounter, 1087 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:22,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 1084 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2022-10-16 16:22:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1990. [2022-10-16 16:22:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1990 states, 1892 states have (on average 1.3884778012684988) internal successors, (2627), 1989 states have internal predecessors, (2627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1990 states and 2627 transitions. [2022-10-16 16:22:22,921 INFO L78 Accepts]: Start accepts. Automaton has 1990 states and 2627 transitions. Word has length 58 [2022-10-16 16:22:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:22,921 INFO L495 AbstractCegarLoop]: Abstraction has 1990 states and 2627 transitions. [2022-10-16 16:22:22,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2627 transitions. [2022-10-16 16:22:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:22:22,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:22,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:22,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:22:22,925 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr182ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:22,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:22,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1367135941, now seen corresponding path program 1 times [2022-10-16 16:22:22,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:22,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881740625] [2022-10-16 16:22:22,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:22,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:23,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:23,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881740625] [2022-10-16 16:22:23,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881740625] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:23,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:23,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:23,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48218857] [2022-10-16 16:22:23,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:23,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:23,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:23,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:23,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:23,066 INFO L87 Difference]: Start difference. First operand 1990 states and 2627 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:23,753 INFO L93 Difference]: Finished difference Result 2462 states and 3316 transitions. [2022-10-16 16:22:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:23,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:22:23,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:23,767 INFO L225 Difference]: With dead ends: 2462 [2022-10-16 16:22:23,767 INFO L226 Difference]: Without dead ends: 2454 [2022-10-16 16:22:23,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:23,769 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 1040 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:23,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 1699 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:23,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2454 states. [2022-10-16 16:22:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2454 to 2207. [2022-10-16 16:22:23,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 2114 states have (on average 1.401135288552507) internal successors, (2962), 2206 states have internal predecessors, (2962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 2962 transitions. [2022-10-16 16:22:23,919 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 2962 transitions. Word has length 72 [2022-10-16 16:22:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:23,919 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 2962 transitions. [2022-10-16 16:22:23,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2962 transitions. [2022-10-16 16:22:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:22:23,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:23,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:23,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:22:23,922 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr356ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:23,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:23,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1383324561, now seen corresponding path program 1 times [2022-10-16 16:22:23,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:23,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665534909] [2022-10-16 16:22:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:23,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:24,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:24,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665534909] [2022-10-16 16:22:24,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665534909] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:24,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:24,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:24,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767492393] [2022-10-16 16:22:24,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:24,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:24,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:24,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:24,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:24,110 INFO L87 Difference]: Start difference. First operand 2207 states and 2962 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:24,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:24,900 INFO L93 Difference]: Finished difference Result 2682 states and 3651 transitions. [2022-10-16 16:22:24,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:24,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-10-16 16:22:24,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:24,914 INFO L225 Difference]: With dead ends: 2682 [2022-10-16 16:22:24,914 INFO L226 Difference]: Without dead ends: 2674 [2022-10-16 16:22:24,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:24,917 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 1006 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:24,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1582 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:24,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-10-16 16:22:25,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2646. [2022-10-16 16:22:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 2558 states have (on average 1.4218139171227522) internal successors, (3637), 2645 states have internal predecessors, (3637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3637 transitions. [2022-10-16 16:22:25,103 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3637 transitions. Word has length 72 [2022-10-16 16:22:25,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:25,103 INFO L495 AbstractCegarLoop]: Abstraction has 2646 states and 3637 transitions. [2022-10-16 16:22:25,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3637 transitions. [2022-10-16 16:22:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:22:25,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:25,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:25,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:22:25,107 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr357ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:25,108 INFO L85 PathProgramCache]: Analyzing trace with hash 66614324, now seen corresponding path program 1 times [2022-10-16 16:22:25,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:25,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278793691] [2022-10-16 16:22:25,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:25,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:25,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:25,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278793691] [2022-10-16 16:22:25,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278793691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:25,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:25,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:25,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283587364] [2022-10-16 16:22:25,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:25,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:25,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:25,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:25,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:25,250 INFO L87 Difference]: Start difference. First operand 2646 states and 3637 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:26,029 INFO L93 Difference]: Finished difference Result 2660 states and 3637 transitions. [2022-10-16 16:22:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:26,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2022-10-16 16:22:26,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:26,044 INFO L225 Difference]: With dead ends: 2660 [2022-10-16 16:22:26,044 INFO L226 Difference]: Without dead ends: 2652 [2022-10-16 16:22:26,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:26,047 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 1180 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:26,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 1229 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2022-10-16 16:22:26,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2638. [2022-10-16 16:22:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 2558 states have (on average 1.4128225175918687) internal successors, (3614), 2637 states have internal predecessors, (3614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3614 transitions. [2022-10-16 16:22:26,254 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3614 transitions. Word has length 73 [2022-10-16 16:22:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:26,255 INFO L495 AbstractCegarLoop]: Abstraction has 2638 states and 3614 transitions. [2022-10-16 16:22:26,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3614 transitions. [2022-10-16 16:22:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:26,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:26,258 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] [2022-10-16 16:22:26,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:22:26,258 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr184ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:26,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:26,259 INFO L85 PathProgramCache]: Analyzing trace with hash 442401533, now seen corresponding path program 1 times [2022-10-16 16:22:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:26,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517135032] [2022-10-16 16:22:26,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:26,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517135032] [2022-10-16 16:22:26,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517135032] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:26,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:26,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:26,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151782507] [2022-10-16 16:22:26,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:26,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:26,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:26,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:26,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:26,424 INFO L87 Difference]: Start difference. First operand 2638 states and 3614 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:27,517 INFO L93 Difference]: Finished difference Result 2893 states and 3954 transitions. [2022-10-16 16:22:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:27,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:22:27,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:27,533 INFO L225 Difference]: With dead ends: 2893 [2022-10-16 16:22:27,533 INFO L226 Difference]: Without dead ends: 2887 [2022-10-16 16:22:27,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:27,535 INFO L413 NwaCegarLoop]: 1062 mSDtfsCounter, 1737 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:27,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 2410 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:27,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2022-10-16 16:22:27,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2857. [2022-10-16 16:22:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2780 states have (on average 1.4179856115107914) internal successors, (3942), 2856 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 3942 transitions. [2022-10-16 16:22:27,751 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 3942 transitions. Word has length 74 [2022-10-16 16:22:27,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:27,751 INFO L495 AbstractCegarLoop]: Abstraction has 2857 states and 3942 transitions. [2022-10-16 16:22:27,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3942 transitions. [2022-10-16 16:22:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:27,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:27,754 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] [2022-10-16 16:22:27,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:22:27,754 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:27,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:27,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1803772517, now seen corresponding path program 1 times [2022-10-16 16:22:27,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:27,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755550948] [2022-10-16 16:22:27,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:27,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:27,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:27,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755550948] [2022-10-16 16:22:27,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755550948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:27,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:27,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:27,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865325319] [2022-10-16 16:22:27,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:27,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:27,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:27,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:27,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:27,890 INFO L87 Difference]: Start difference. First operand 2857 states and 3942 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:28,708 INFO L93 Difference]: Finished difference Result 3110 states and 4291 transitions. [2022-10-16 16:22:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:22:28,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:28,719 INFO L225 Difference]: With dead ends: 3110 [2022-10-16 16:22:28,719 INFO L226 Difference]: Without dead ends: 3104 [2022-10-16 16:22:28,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:28,721 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 457 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:28,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 2249 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:28,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2022-10-16 16:22:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 2854. [2022-10-16 16:22:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2854 states, 2780 states have (on average 1.410431654676259) internal successors, (3921), 2853 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:28,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2854 states and 3921 transitions. [2022-10-16 16:22:28,908 INFO L78 Accepts]: Start accepts. Automaton has 2854 states and 3921 transitions. Word has length 74 [2022-10-16 16:22:28,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:28,909 INFO L495 AbstractCegarLoop]: Abstraction has 2854 states and 3921 transitions. [2022-10-16 16:22:28,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3921 transitions. [2022-10-16 16:22:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:28,911 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:28,912 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] [2022-10-16 16:22:28,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:22:28,912 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr278ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:28,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1357056492, now seen corresponding path program 1 times [2022-10-16 16:22:28,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:28,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188137101] [2022-10-16 16:22:28,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:28,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:29,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:29,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188137101] [2022-10-16 16:22:29,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188137101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:29,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:29,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:29,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767116524] [2022-10-16 16:22:29,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:29,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:29,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:29,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:29,072 INFO L87 Difference]: Start difference. First operand 2854 states and 3921 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:30,160 INFO L93 Difference]: Finished difference Result 2884 states and 3921 transitions. [2022-10-16 16:22:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:30,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:22:30,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:30,167 INFO L225 Difference]: With dead ends: 2884 [2022-10-16 16:22:30,168 INFO L226 Difference]: Without dead ends: 2878 [2022-10-16 16:22:30,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:30,170 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 1817 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:30,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 2287 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:30,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2878 states. [2022-10-16 16:22:30,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2878 to 2851. [2022-10-16 16:22:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2851 states, 2780 states have (on average 1.4061151079136691) internal successors, (3909), 2850 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 2851 states and 3909 transitions. [2022-10-16 16:22:30,378 INFO L78 Accepts]: Start accepts. Automaton has 2851 states and 3909 transitions. Word has length 74 [2022-10-16 16:22:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:30,379 INFO L495 AbstractCegarLoop]: Abstraction has 2851 states and 3909 transitions. [2022-10-16 16:22:30,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3909 transitions. [2022-10-16 16:22:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:22:30,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:30,383 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] [2022-10-16 16:22:30,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:22:30,384 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr358ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:30,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2065046801, now seen corresponding path program 1 times [2022-10-16 16:22:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:30,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580743708] [2022-10-16 16:22:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:30,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580743708] [2022-10-16 16:22:30,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580743708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:30,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:30,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604132868] [2022-10-16 16:22:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:30,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:30,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:30,546 INFO L87 Difference]: Start difference. First operand 2851 states and 3909 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:31,560 INFO L93 Difference]: Finished difference Result 3328 states and 4589 transitions. [2022-10-16 16:22:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:31,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-10-16 16:22:31,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:31,567 INFO L225 Difference]: With dead ends: 3328 [2022-10-16 16:22:31,568 INFO L226 Difference]: Without dead ends: 3322 [2022-10-16 16:22:31,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:31,570 INFO L413 NwaCegarLoop]: 889 mSDtfsCounter, 1841 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 1235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:31,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 1956 Invalid, 1235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:31,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2022-10-16 16:22:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3070. [2022-10-16 16:22:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3070 states, 3002 states have (on average 1.4113924050632911) internal successors, (4237), 3069 states have internal predecessors, (4237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 3070 states and 4237 transitions. [2022-10-16 16:22:31,778 INFO L78 Accepts]: Start accepts. Automaton has 3070 states and 4237 transitions. Word has length 74 [2022-10-16 16:22:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:31,779 INFO L495 AbstractCegarLoop]: Abstraction has 3070 states and 4237 transitions. [2022-10-16 16:22:31,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3070 states and 4237 transitions. [2022-10-16 16:22:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:31,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:31,782 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] [2022-10-16 16:22:31,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:22:31,782 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr185ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash 829547147, now seen corresponding path program 1 times [2022-10-16 16:22:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:31,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185810453] [2022-10-16 16:22:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:31,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:31,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185810453] [2022-10-16 16:22:31,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185810453] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:31,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:31,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:31,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699850089] [2022-10-16 16:22:31,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:31,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:31,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:31,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:31,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:31,936 INFO L87 Difference]: Start difference. First operand 3070 states and 4237 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:33,029 INFO L93 Difference]: Finished difference Result 3989 states and 5597 transitions. [2022-10-16 16:22:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 16:22:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:33,040 INFO L225 Difference]: With dead ends: 3989 [2022-10-16 16:22:33,040 INFO L226 Difference]: Without dead ends: 3983 [2022-10-16 16:22:33,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:33,043 INFO L413 NwaCegarLoop]: 775 mSDtfsCounter, 2292 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:33,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 1476 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2022-10-16 16:22:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3733. [2022-10-16 16:22:33,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3733 states, 3668 states have (on average 1.4274809160305344) internal successors, (5236), 3732 states have internal predecessors, (5236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5236 transitions. [2022-10-16 16:22:33,370 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5236 transitions. Word has length 75 [2022-10-16 16:22:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:33,370 INFO L495 AbstractCegarLoop]: Abstraction has 3733 states and 5236 transitions. [2022-10-16 16:22:33,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5236 transitions. [2022-10-16 16:22:33,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:22:33,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:33,373 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] [2022-10-16 16:22:33,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:22:33,373 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr359ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:33,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:33,374 INFO L85 PathProgramCache]: Analyzing trace with hash -408055850, now seen corresponding path program 1 times [2022-10-16 16:22:33,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:33,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471668861] [2022-10-16 16:22:33,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:33,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:33,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:33,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471668861] [2022-10-16 16:22:33,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471668861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:33,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:33,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:33,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602497082] [2022-10-16 16:22:33,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:33,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:33,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:33,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:33,518 INFO L87 Difference]: Start difference. First operand 3733 states and 5236 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:34,497 INFO L93 Difference]: Finished difference Result 4655 states and 6614 transitions. [2022-10-16 16:22:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:34,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-10-16 16:22:34,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:34,508 INFO L225 Difference]: With dead ends: 4655 [2022-10-16 16:22:34,508 INFO L226 Difference]: Without dead ends: 4647 [2022-10-16 16:22:34,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:34,511 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 2328 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2328 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:34,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2328 Valid, 1434 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:34,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4647 states. [2022-10-16 16:22:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4647 to 4616. [2022-10-16 16:22:34,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4616 states, 4556 states have (on average 1.440737489025461) internal successors, (6564), 4615 states have internal predecessors, (6564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4616 states to 4616 states and 6564 transitions. [2022-10-16 16:22:34,861 INFO L78 Accepts]: Start accepts. Automaton has 4616 states and 6564 transitions. Word has length 75 [2022-10-16 16:22:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:34,862 INFO L495 AbstractCegarLoop]: Abstraction has 4616 states and 6564 transitions. [2022-10-16 16:22:34,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 4616 states and 6564 transitions. [2022-10-16 16:22:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:34,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:34,869 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] [2022-10-16 16:22:34,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:22:34,869 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:34,869 INFO L85 PathProgramCache]: Analyzing trace with hash 306198160, now seen corresponding path program 1 times [2022-10-16 16:22:34,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:34,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360329377] [2022-10-16 16:22:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:35,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:35,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360329377] [2022-10-16 16:22:35,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360329377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:35,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:35,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:35,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19090045] [2022-10-16 16:22:35,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:35,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:35,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:35,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:35,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:35,058 INFO L87 Difference]: Start difference. First operand 4616 states and 6564 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:35,959 INFO L93 Difference]: Finished difference Result 4868 states and 6895 transitions. [2022-10-16 16:22:35,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:35,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:35,972 INFO L225 Difference]: With dead ends: 4868 [2022-10-16 16:22:35,972 INFO L226 Difference]: Without dead ends: 4863 [2022-10-16 16:22:35,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:35,976 INFO L413 NwaCegarLoop]: 1008 mSDtfsCounter, 1186 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:35,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 1828 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:35,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-10-16 16:22:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 4614. [2022-10-16 16:22:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4614 states, 4556 states have (on average 1.438323090430202) internal successors, (6553), 4613 states have internal predecessors, (6553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4614 states to 4614 states and 6553 transitions. [2022-10-16 16:22:36,337 INFO L78 Accepts]: Start accepts. Automaton has 4614 states and 6553 transitions. Word has length 76 [2022-10-16 16:22:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:36,337 INFO L495 AbstractCegarLoop]: Abstraction has 4614 states and 6553 transitions. [2022-10-16 16:22:36,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4614 states and 6553 transitions. [2022-10-16 16:22:36,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:36,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:36,341 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] [2022-10-16 16:22:36,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:22:36,341 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr186ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:36,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:36,341 INFO L85 PathProgramCache]: Analyzing trace with hash -53840705, now seen corresponding path program 1 times [2022-10-16 16:22:36,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:36,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137876975] [2022-10-16 16:22:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:36,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:36,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:36,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137876975] [2022-10-16 16:22:36,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137876975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:36,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:36,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:36,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506318920] [2022-10-16 16:22:36,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:36,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:36,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:36,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:36,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:36,518 INFO L87 Difference]: Start difference. First operand 4614 states and 6553 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:37,786 INFO L93 Difference]: Finished difference Result 8061 states and 11666 transitions. [2022-10-16 16:22:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:37,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:37,800 INFO L225 Difference]: With dead ends: 8061 [2022-10-16 16:22:37,800 INFO L226 Difference]: Without dead ends: 5156 [2022-10-16 16:22:37,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:37,808 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 2579 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:37,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 2798 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5156 states. [2022-10-16 16:22:38,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5156 to 4908. [2022-10-16 16:22:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 4852 states have (on average 1.436108821104699) internal successors, (6968), 4907 states have internal predecessors, (6968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 6968 transitions. [2022-10-16 16:22:38,355 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 6968 transitions. Word has length 76 [2022-10-16 16:22:38,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:38,356 INFO L495 AbstractCegarLoop]: Abstraction has 4908 states and 6968 transitions. [2022-10-16 16:22:38,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 6968 transitions. [2022-10-16 16:22:38,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:38,359 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:38,359 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] [2022-10-16 16:22:38,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:22:38,359 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr162ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1741442013, now seen corresponding path program 1 times [2022-10-16 16:22:38,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:38,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659342011] [2022-10-16 16:22:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:38,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:38,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659342011] [2022-10-16 16:22:38,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659342011] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:38,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:38,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:38,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383623591] [2022-10-16 16:22:38,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:38,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:38,541 INFO L87 Difference]: Start difference. First operand 4908 states and 6968 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:39,559 INFO L93 Difference]: Finished difference Result 5835 states and 8319 transitions. [2022-10-16 16:22:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:39,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:39,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:39,570 INFO L225 Difference]: With dead ends: 5835 [2022-10-16 16:22:39,570 INFO L226 Difference]: Without dead ends: 5830 [2022-10-16 16:22:39,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:39,574 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 1477 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 1855 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:39,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 1855 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:22:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2022-10-16 16:22:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5794. [2022-10-16 16:22:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5794 states, 5740 states have (on average 1.4458188153310105) internal successors, (8299), 5793 states have internal predecessors, (8299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5794 states to 5794 states and 8299 transitions. [2022-10-16 16:22:40,029 INFO L78 Accepts]: Start accepts. Automaton has 5794 states and 8299 transitions. Word has length 76 [2022-10-16 16:22:40,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:40,030 INFO L495 AbstractCegarLoop]: Abstraction has 5794 states and 8299 transitions. [2022-10-16 16:22:40,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5794 states and 8299 transitions. [2022-10-16 16:22:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:40,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:40,035 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] [2022-10-16 16:22:40,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:22:40,037 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr256ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1426191116, now seen corresponding path program 1 times [2022-10-16 16:22:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:40,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354918352] [2022-10-16 16:22:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:40,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:40,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354918352] [2022-10-16 16:22:40,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354918352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:40,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:40,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428177647] [2022-10-16 16:22:40,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:40,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:40,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:40,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:40,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:40,238 INFO L87 Difference]: Start difference. First operand 5794 states and 8299 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:41,214 INFO L93 Difference]: Finished difference Result 6490 states and 9292 transitions. [2022-10-16 16:22:41,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:41,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:41,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:41,231 INFO L225 Difference]: With dead ends: 6490 [2022-10-16 16:22:41,231 INFO L226 Difference]: Without dead ends: 6485 [2022-10-16 16:22:41,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:41,234 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1221 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:41,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 1728 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6485 states. [2022-10-16 16:22:41,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6485 to 6458. [2022-10-16 16:22:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6458 states, 6406 states have (on average 1.4473930689978145) internal successors, (9272), 6457 states have internal predecessors, (9272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 9272 transitions. [2022-10-16 16:22:41,695 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 9272 transitions. Word has length 76 [2022-10-16 16:22:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:41,695 INFO L495 AbstractCegarLoop]: Abstraction has 6458 states and 9272 transitions. [2022-10-16 16:22:41,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 9272 transitions. [2022-10-16 16:22:41,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:41,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:41,698 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] [2022-10-16 16:22:41,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:22:41,698 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr280ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:41,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1538698130, now seen corresponding path program 1 times [2022-10-16 16:22:41,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:41,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920764854] [2022-10-16 16:22:41,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:41,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:41,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:41,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920764854] [2022-10-16 16:22:41,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920764854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:41,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:41,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:41,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186829611] [2022-10-16 16:22:41,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:41,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:41,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:41,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:41,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:41,859 INFO L87 Difference]: Start difference. First operand 6458 states and 9272 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:43,185 INFO L93 Difference]: Finished difference Result 10719 states and 15588 transitions. [2022-10-16 16:22:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:43,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:43,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:43,197 INFO L225 Difference]: With dead ends: 10719 [2022-10-16 16:22:43,197 INFO L226 Difference]: Without dead ends: 6704 [2022-10-16 16:22:43,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:43,206 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 2538 mSDsluCounter, 1738 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 2787 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:43,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 2787 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:22:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6704 states. [2022-10-16 16:22:43,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6704 to 6678. [2022-10-16 16:22:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6678 states, 6628 states have (on average 1.4459867229933614) internal successors, (9584), 6677 states have internal predecessors, (9584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6678 states to 6678 states and 9584 transitions. [2022-10-16 16:22:43,791 INFO L78 Accepts]: Start accepts. Automaton has 6678 states and 9584 transitions. Word has length 76 [2022-10-16 16:22:43,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:43,792 INFO L495 AbstractCegarLoop]: Abstraction has 6678 states and 9584 transitions. [2022-10-16 16:22:43,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 6678 states and 9584 transitions. [2022-10-16 16:22:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:43,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:43,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:43,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:22:43,795 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr360ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:43,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 235173299, now seen corresponding path program 1 times [2022-10-16 16:22:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:43,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989816923] [2022-10-16 16:22:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:43,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:43,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989816923] [2022-10-16 16:22:43,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989816923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:43,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:43,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720374176] [2022-10-16 16:22:43,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:43,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:43,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:43,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:43,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:43,954 INFO L87 Difference]: Start difference. First operand 6678 states and 9584 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:45,199 INFO L93 Difference]: Finished difference Result 9604 states and 13878 transitions. [2022-10-16 16:22:45,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:45,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:45,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:45,212 INFO L225 Difference]: With dead ends: 9604 [2022-10-16 16:22:45,212 INFO L226 Difference]: Without dead ends: 6924 [2022-10-16 16:22:45,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:45,219 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 2717 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 2183 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:45,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 2183 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6924 states. [2022-10-16 16:22:45,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6924 to 6898. [2022-10-16 16:22:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6898 states, 6850 states have (on average 1.4446715328467152) internal successors, (9896), 6897 states have internal predecessors, (9896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6898 states to 6898 states and 9896 transitions. [2022-10-16 16:22:45,614 INFO L78 Accepts]: Start accepts. Automaton has 6898 states and 9896 transitions. Word has length 76 [2022-10-16 16:22:45,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:45,615 INFO L495 AbstractCegarLoop]: Abstraction has 6898 states and 9896 transitions. [2022-10-16 16:22:45,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,615 INFO L276 IsEmpty]: Start isEmpty. Operand 6898 states and 9896 transitions. [2022-10-16 16:22:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:22:45,617 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:45,617 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] [2022-10-16 16:22:45,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:22:45,618 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr332ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:45,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1208452188, now seen corresponding path program 1 times [2022-10-16 16:22:45,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:45,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502491234] [2022-10-16 16:22:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:45,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:45,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502491234] [2022-10-16 16:22:45,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502491234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:45,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:45,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721149212] [2022-10-16 16:22:45,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:45,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:45,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:45,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:45,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:45,764 INFO L87 Difference]: Start difference. First operand 6898 states and 9896 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:46,971 INFO L93 Difference]: Finished difference Result 12192 states and 17756 transitions. [2022-10-16 16:22:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:22:46,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2022-10-16 16:22:46,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:46,980 INFO L225 Difference]: With dead ends: 12192 [2022-10-16 16:22:46,980 INFO L226 Difference]: Without dead ends: 6906 [2022-10-16 16:22:46,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:46,990 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 2528 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 2447 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:46,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 2447 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:46,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6906 states. [2022-10-16 16:22:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6906 to 6883. [2022-10-16 16:22:47,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 6837 states have (on average 1.4446394617522305) internal successors, (9877), 6882 states have internal predecessors, (9877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 9877 transitions. [2022-10-16 16:22:47,372 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 9877 transitions. Word has length 76 [2022-10-16 16:22:47,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:47,373 INFO L495 AbstractCegarLoop]: Abstraction has 6883 states and 9877 transitions. [2022-10-16 16:22:47,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:47,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 9877 transitions. [2022-10-16 16:22:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:47,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:47,375 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] [2022-10-16 16:22:47,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:22:47,376 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr187ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1669060339, now seen corresponding path program 1 times [2022-10-16 16:22:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:47,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078958024] [2022-10-16 16:22:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:47,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:47,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078958024] [2022-10-16 16:22:47,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078958024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:47,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:47,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:47,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702489086] [2022-10-16 16:22:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:47,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:47,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:47,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:47,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:47,529 INFO L87 Difference]: Start difference. First operand 6883 states and 9877 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:48,906 INFO L93 Difference]: Finished difference Result 13676 states and 19989 transitions. [2022-10-16 16:22:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:48,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 16:22:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:48,925 INFO L225 Difference]: With dead ends: 13676 [2022-10-16 16:22:48,925 INFO L226 Difference]: Without dead ends: 9413 [2022-10-16 16:22:48,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:48,934 INFO L413 NwaCegarLoop]: 848 mSDtfsCounter, 3019 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3019 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:48,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3019 Valid, 1996 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:22:48,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2022-10-16 16:22:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 9001. [2022-10-16 16:22:49,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9001 states, 8958 states have (on average 1.4566867604375977) internal successors, (13049), 9000 states have internal predecessors, (13049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9001 states to 9001 states and 13049 transitions. [2022-10-16 16:22:49,774 INFO L78 Accepts]: Start accepts. Automaton has 9001 states and 13049 transitions. Word has length 77 [2022-10-16 16:22:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:49,775 INFO L495 AbstractCegarLoop]: Abstraction has 9001 states and 13049 transitions. [2022-10-16 16:22:49,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 9001 states and 13049 transitions. [2022-10-16 16:22:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:49,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:49,778 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] [2022-10-16 16:22:49,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:22:49,778 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr163ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:49,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1849871089, now seen corresponding path program 1 times [2022-10-16 16:22:49,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:49,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647524184] [2022-10-16 16:22:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:49,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:49,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:49,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647524184] [2022-10-16 16:22:49,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647524184] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:49,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:49,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:49,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670818688] [2022-10-16 16:22:49,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:49,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:49,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:49,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:49,920 INFO L87 Difference]: Start difference. First operand 9001 states and 13049 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:51,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:51,179 INFO L93 Difference]: Finished difference Result 9026 states and 13049 transitions. [2022-10-16 16:22:51,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:51,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 16:22:51,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:51,191 INFO L225 Difference]: With dead ends: 9026 [2022-10-16 16:22:51,191 INFO L226 Difference]: Without dead ends: 9021 [2022-10-16 16:22:51,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:51,194 INFO L413 NwaCegarLoop]: 827 mSDtfsCounter, 1462 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:51,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 1936 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:51,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2022-10-16 16:22:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 8333. [2022-10-16 16:22:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8333 states, 8292 states have (on average 1.447178002894356) internal successors, (12000), 8332 states have internal predecessors, (12000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8333 states to 8333 states and 12000 transitions. [2022-10-16 16:22:51,964 INFO L78 Accepts]: Start accepts. Automaton has 8333 states and 12000 transitions. Word has length 77 [2022-10-16 16:22:51,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:51,964 INFO L495 AbstractCegarLoop]: Abstraction has 8333 states and 12000 transitions. [2022-10-16 16:22:51,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8333 states and 12000 transitions. [2022-10-16 16:22:51,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:51,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:51,966 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] [2022-10-16 16:22:51,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:22:51,967 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr281ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:51,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:51,967 INFO L85 PathProgramCache]: Analyzing trace with hash -454999550, now seen corresponding path program 1 times [2022-10-16 16:22:51,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:51,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21869250] [2022-10-16 16:22:51,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:52,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:52,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21869250] [2022-10-16 16:22:52,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21869250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:52,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:52,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:52,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247571362] [2022-10-16 16:22:52,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:52,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:52,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:52,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:52,149 INFO L87 Difference]: Start difference. First operand 8333 states and 12000 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:53,463 INFO L93 Difference]: Finished difference Result 15336 states and 22352 transitions. [2022-10-16 16:22:53,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:53,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 16:22:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:53,481 INFO L225 Difference]: With dead ends: 15336 [2022-10-16 16:22:53,482 INFO L226 Difference]: Without dead ends: 9304 [2022-10-16 16:22:53,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:53,492 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 2902 mSDsluCounter, 1277 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 2034 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:53,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 2034 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9304 states. [2022-10-16 16:22:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9304 to 8904. [2022-10-16 16:22:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8904 states, 8865 states have (on average 1.4503102086858433) internal successors, (12857), 8903 states have internal predecessors, (12857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:54,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8904 states to 8904 states and 12857 transitions. [2022-10-16 16:22:54,122 INFO L78 Accepts]: Start accepts. Automaton has 8904 states and 12857 transitions. Word has length 77 [2022-10-16 16:22:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:54,122 INFO L495 AbstractCegarLoop]: Abstraction has 8904 states and 12857 transitions. [2022-10-16 16:22:54,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 8904 states and 12857 transitions. [2022-10-16 16:22:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:22:54,124 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:54,124 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] [2022-10-16 16:22:54,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:22:54,125 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr361ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:54,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:54,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1299559560, now seen corresponding path program 1 times [2022-10-16 16:22:54,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:54,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533668685] [2022-10-16 16:22:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:54,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:54,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:54,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533668685] [2022-10-16 16:22:54,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533668685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:54,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:54,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:54,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796341235] [2022-10-16 16:22:54,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:54,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:54,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:54,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:54,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:54,271 INFO L87 Difference]: Start difference. First operand 8904 states and 12857 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:55,776 INFO L93 Difference]: Finished difference Result 15401 states and 22430 transitions. [2022-10-16 16:22:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:55,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-16 16:22:55,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:55,790 INFO L225 Difference]: With dead ends: 15401 [2022-10-16 16:22:55,790 INFO L226 Difference]: Without dead ends: 10545 [2022-10-16 16:22:55,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:55,798 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 3143 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3143 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:55,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3143 Valid, 1591 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:22:55,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10545 states. [2022-10-16 16:22:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10545 to 10056. [2022-10-16 16:22:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10056 states, 10020 states have (on average 1.4565868263473054) internal successors, (14595), 10055 states have internal predecessors, (14595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 14595 transitions. [2022-10-16 16:22:56,527 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 14595 transitions. Word has length 77 [2022-10-16 16:22:56,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:56,527 INFO L495 AbstractCegarLoop]: Abstraction has 10056 states and 14595 transitions. [2022-10-16 16:22:56,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 14595 transitions. [2022-10-16 16:22:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:22:56,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:56,529 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] [2022-10-16 16:22:56,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:22:56,529 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:56,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:56,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2096284910, now seen corresponding path program 1 times [2022-10-16 16:22:56,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:56,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142181323] [2022-10-16 16:22:56,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:56,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:56,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:56,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142181323] [2022-10-16 16:22:56,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142181323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:56,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:56,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:56,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174292476] [2022-10-16 16:22:56,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:56,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:56,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:56,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:56,685 INFO L87 Difference]: Start difference. First operand 10056 states and 14595 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:58,042 INFO L93 Difference]: Finished difference Result 10754 states and 15570 transitions. [2022-10-16 16:22:58,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:58,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:22:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:58,058 INFO L225 Difference]: With dead ends: 10754 [2022-10-16 16:22:58,058 INFO L226 Difference]: Without dead ends: 10750 [2022-10-16 16:22:58,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:22:58,063 INFO L413 NwaCegarLoop]: 1011 mSDtfsCounter, 1762 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:58,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2334 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:22:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10750 states. [2022-10-16 16:22:58,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10750 to 10721. [2022-10-16 16:22:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10721 states, 10686 states have (on average 1.4558300580198391) internal successors, (15557), 10720 states have internal predecessors, (15557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10721 states to 10721 states and 15557 transitions. [2022-10-16 16:22:58,833 INFO L78 Accepts]: Start accepts. Automaton has 10721 states and 15557 transitions. Word has length 78 [2022-10-16 16:22:58,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:58,834 INFO L495 AbstractCegarLoop]: Abstraction has 10721 states and 15557 transitions. [2022-10-16 16:22:58,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:58,834 INFO L276 IsEmpty]: Start isEmpty. Operand 10721 states and 15557 transitions. [2022-10-16 16:22:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:22:58,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:58,835 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] [2022-10-16 16:22:58,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:22:58,836 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:22:58,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash -498507596, now seen corresponding path program 1 times [2022-10-16 16:22:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:58,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321174568] [2022-10-16 16:22:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:58,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:58,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321174568] [2022-10-16 16:22:58,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321174568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:58,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:58,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:58,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867350577] [2022-10-16 16:22:58,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:58,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:58,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:58,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:58,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:58,965 INFO L87 Difference]: Start difference. First operand 10721 states and 15557 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:00,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:00,377 INFO L93 Difference]: Finished difference Result 12012 states and 17432 transitions. [2022-10-16 16:23:00,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:00,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:00,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:00,398 INFO L225 Difference]: With dead ends: 12012 [2022-10-16 16:23:00,398 INFO L226 Difference]: Without dead ends: 12008 [2022-10-16 16:23:00,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:00,404 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 503 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2762 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:00,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 2762 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:00,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12008 states. [2022-10-16 16:23:01,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12008 to 11312. [2022-10-16 16:23:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11312 states, 11278 states have (on average 1.450079801383224) internal successors, (16354), 11311 states have internal predecessors, (16354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11312 states to 11312 states and 16354 transitions. [2022-10-16 16:23:01,350 INFO L78 Accepts]: Start accepts. Automaton has 11312 states and 16354 transitions. Word has length 78 [2022-10-16 16:23:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:01,350 INFO L495 AbstractCegarLoop]: Abstraction has 11312 states and 16354 transitions. [2022-10-16 16:23:01,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 11312 states and 16354 transitions. [2022-10-16 16:23:01,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:01,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:01,352 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] [2022-10-16 16:23:01,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:23:01,352 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:01,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:01,353 INFO L85 PathProgramCache]: Analyzing trace with hash 524929866, now seen corresponding path program 1 times [2022-10-16 16:23:01,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:01,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667975740] [2022-10-16 16:23:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:01,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:01,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:01,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:01,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667975740] [2022-10-16 16:23:01,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667975740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:01,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:01,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:01,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125352838] [2022-10-16 16:23:01,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:01,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:01,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:01,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:01,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:01,503 INFO L87 Difference]: Start difference. First operand 11312 states and 16354 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:02,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:02,995 INFO L93 Difference]: Finished difference Result 11409 states and 16461 transitions. [2022-10-16 16:23:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:02,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:02,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:03,008 INFO L225 Difference]: With dead ends: 11409 [2022-10-16 16:23:03,009 INFO L226 Difference]: Without dead ends: 11391 [2022-10-16 16:23:03,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:03,012 INFO L413 NwaCegarLoop]: 1052 mSDtfsCounter, 1704 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:03,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 2554 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:03,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11391 states. [2022-10-16 16:23:03,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11391 to 11371. [2022-10-16 16:23:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11371 states, 11338 states have (on average 1.4497265831716353) internal successors, (16437), 11370 states have internal predecessors, (16437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11371 states to 11371 states and 16437 transitions. [2022-10-16 16:23:03,756 INFO L78 Accepts]: Start accepts. Automaton has 11371 states and 16437 transitions. Word has length 78 [2022-10-16 16:23:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:03,756 INFO L495 AbstractCegarLoop]: Abstraction has 11371 states and 16437 transitions. [2022-10-16 16:23:03,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 11371 states and 16437 transitions. [2022-10-16 16:23:03,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:03,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:03,758 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] [2022-10-16 16:23:03,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:23:03,758 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:03,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1511427553, now seen corresponding path program 1 times [2022-10-16 16:23:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:03,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898003076] [2022-10-16 16:23:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:03,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:03,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898003076] [2022-10-16 16:23:03,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898003076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:03,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:03,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:03,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307413143] [2022-10-16 16:23:03,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:03,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:03,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:03,918 INFO L87 Difference]: Start difference. First operand 11371 states and 16437 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:05,313 INFO L93 Difference]: Finished difference Result 12747 states and 18396 transitions. [2022-10-16 16:23:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:05,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:05,334 INFO L225 Difference]: With dead ends: 12747 [2022-10-16 16:23:05,335 INFO L226 Difference]: Without dead ends: 12743 [2022-10-16 16:23:05,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:05,341 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 2012 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:05,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 2104 Invalid, 834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12743 states. [2022-10-16 16:23:06,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12743 to 12036. [2022-10-16 16:23:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12036 states, 12004 states have (on average 1.4509330223258914) internal successors, (17417), 12035 states have internal predecessors, (17417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:06,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12036 states to 12036 states and 17417 transitions. [2022-10-16 16:23:06,237 INFO L78 Accepts]: Start accepts. Automaton has 12036 states and 17417 transitions. Word has length 78 [2022-10-16 16:23:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:06,237 INFO L495 AbstractCegarLoop]: Abstraction has 12036 states and 17417 transitions. [2022-10-16 16:23:06,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 12036 states and 17417 transitions. [2022-10-16 16:23:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:06,238 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:06,238 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] [2022-10-16 16:23:06,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:23:06,239 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr258ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:06,239 INFO L85 PathProgramCache]: Analyzing trace with hash 475161102, now seen corresponding path program 1 times [2022-10-16 16:23:06,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:06,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110414892] [2022-10-16 16:23:06,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:06,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:06,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110414892] [2022-10-16 16:23:06,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110414892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:06,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:06,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:06,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523247631] [2022-10-16 16:23:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:06,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:06,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:06,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:06,385 INFO L87 Difference]: Start difference. First operand 12036 states and 17417 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:08,061 INFO L93 Difference]: Finished difference Result 12734 states and 18392 transitions. [2022-10-16 16:23:08,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:08,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:08,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:08,077 INFO L225 Difference]: With dead ends: 12734 [2022-10-16 16:23:08,078 INFO L226 Difference]: Without dead ends: 12730 [2022-10-16 16:23:08,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:08,082 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1972 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 2221 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:08,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 2221 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:23:08,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12730 states. [2022-10-16 16:23:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12730 to 12701. [2022-10-16 16:23:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12701 states, 12670 states have (on average 1.450591949486977) internal successors, (18379), 12700 states have internal predecessors, (18379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12701 states to 12701 states and 18379 transitions. [2022-10-16 16:23:09,047 INFO L78 Accepts]: Start accepts. Automaton has 12701 states and 18379 transitions. Word has length 78 [2022-10-16 16:23:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:09,048 INFO L495 AbstractCegarLoop]: Abstraction has 12701 states and 18379 transitions. [2022-10-16 16:23:09,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12701 states and 18379 transitions. [2022-10-16 16:23:09,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:09,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:09,049 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] [2022-10-16 16:23:09,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:23:09,049 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr236ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:09,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash -999069290, now seen corresponding path program 1 times [2022-10-16 16:23:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:09,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889547511] [2022-10-16 16:23:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:09,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:09,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:09,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889547511] [2022-10-16 16:23:09,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889547511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:09,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:09,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208059171] [2022-10-16 16:23:09,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:09,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:09,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:09,198 INFO L87 Difference]: Start difference. First operand 12701 states and 18379 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:10,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:10,692 INFO L93 Difference]: Finished difference Result 12798 states and 18486 transitions. [2022-10-16 16:23:10,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:10,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:10,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:10,710 INFO L225 Difference]: With dead ends: 12798 [2022-10-16 16:23:10,710 INFO L226 Difference]: Without dead ends: 12794 [2022-10-16 16:23:10,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:10,716 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1860 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1860 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:10,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1860 Valid, 2129 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:10,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12794 states. [2022-10-16 16:23:11,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12794 to 12774. [2022-10-16 16:23:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12774 states, 12744 states have (on average 1.4500156936597615) internal successors, (18479), 12773 states have internal predecessors, (18479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:11,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12774 states to 12774 states and 18479 transitions. [2022-10-16 16:23:11,653 INFO L78 Accepts]: Start accepts. Automaton has 12774 states and 18479 transitions. Word has length 78 [2022-10-16 16:23:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:11,654 INFO L495 AbstractCegarLoop]: Abstraction has 12774 states and 18479 transitions. [2022-10-16 16:23:11,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12774 states and 18479 transitions. [2022-10-16 16:23:11,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:23:11,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:11,656 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] [2022-10-16 16:23:11,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:23:11,656 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr308ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:11,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:11,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1146651786, now seen corresponding path program 1 times [2022-10-16 16:23:11,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:11,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832449832] [2022-10-16 16:23:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:11,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:11,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832449832] [2022-10-16 16:23:11,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832449832] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:11,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:11,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:11,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36498193] [2022-10-16 16:23:11,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:11,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:11,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:11,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:11,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:11,801 INFO L87 Difference]: Start difference. First operand 12774 states and 18479 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:13,249 INFO L93 Difference]: Finished difference Result 12871 states and 18586 transitions. [2022-10-16 16:23:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:13,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-16 16:23:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:13,275 INFO L225 Difference]: With dead ends: 12871 [2022-10-16 16:23:13,275 INFO L226 Difference]: Without dead ends: 12867 [2022-10-16 16:23:13,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:13,283 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 1876 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 1878 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:13,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 1878 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:13,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2022-10-16 16:23:14,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 12847. [2022-10-16 16:23:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12847 states, 12818 states have (on average 1.4496801373069121) internal successors, (18582), 12846 states have internal predecessors, (18582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12847 states to 12847 states and 18582 transitions. [2022-10-16 16:23:14,239 INFO L78 Accepts]: Start accepts. Automaton has 12847 states and 18582 transitions. Word has length 78 [2022-10-16 16:23:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:14,240 INFO L495 AbstractCegarLoop]: Abstraction has 12847 states and 18582 transitions. [2022-10-16 16:23:14,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12847 states and 18582 transitions. [2022-10-16 16:23:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:23:14,241 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:14,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:14,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:23:14,241 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:14,242 INFO L85 PathProgramCache]: Analyzing trace with hash -560321930, now seen corresponding path program 1 times [2022-10-16 16:23:14,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:14,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310784189] [2022-10-16 16:23:14,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:14,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:14,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:14,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310784189] [2022-10-16 16:23:14,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310784189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:14,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:14,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:14,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271386886] [2022-10-16 16:23:14,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:14,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:14,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:14,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:14,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:14,383 INFO L87 Difference]: Start difference. First operand 12847 states and 18582 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:16,152 INFO L93 Difference]: Finished difference Result 23655 states and 34572 transitions. [2022-10-16 16:23:16,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:16,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:23:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:16,175 INFO L225 Difference]: With dead ends: 23655 [2022-10-16 16:23:16,175 INFO L226 Difference]: Without dead ends: 16444 [2022-10-16 16:23:16,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:16,186 INFO L413 NwaCegarLoop]: 815 mSDtfsCounter, 1974 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:16,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1974 Valid, 1760 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16444 states. [2022-10-16 16:23:17,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16444 to 14923. [2022-10-16 16:23:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14923 states, 14895 states have (on average 1.4606915072171869) internal successors, (21757), 14922 states have internal predecessors, (21757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14923 states to 14923 states and 21757 transitions. [2022-10-16 16:23:17,403 INFO L78 Accepts]: Start accepts. Automaton has 14923 states and 21757 transitions. Word has length 79 [2022-10-16 16:23:17,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:17,403 INFO L495 AbstractCegarLoop]: Abstraction has 14923 states and 21757 transitions. [2022-10-16 16:23:17,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 14923 states and 21757 transitions. [2022-10-16 16:23:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:23:17,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:17,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:17,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:23:17,405 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr165ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash 390387473, now seen corresponding path program 1 times [2022-10-16 16:23:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:17,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946903776] [2022-10-16 16:23:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:17,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:17,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:17,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946903776] [2022-10-16 16:23:17,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946903776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:17,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:17,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:17,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732938127] [2022-10-16 16:23:17,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:17,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:17,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:17,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:17,576 INFO L87 Difference]: Start difference. First operand 14923 states and 21757 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:19,382 INFO L93 Difference]: Finished difference Result 22558 states and 32915 transitions. [2022-10-16 16:23:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:19,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:23:19,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:19,408 INFO L225 Difference]: With dead ends: 22558 [2022-10-16 16:23:19,408 INFO L226 Difference]: Without dead ends: 16949 [2022-10-16 16:23:19,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:19,419 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 2024 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:19,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 1768 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16949 states. [2022-10-16 16:23:20,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16949 to 16601. [2022-10-16 16:23:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16601 states, 16575 states have (on average 1.4657013574660633) internal successors, (24294), 16600 states have internal predecessors, (24294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16601 states to 16601 states and 24294 transitions. [2022-10-16 16:23:20,726 INFO L78 Accepts]: Start accepts. Automaton has 16601 states and 24294 transitions. Word has length 79 [2022-10-16 16:23:20,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:20,727 INFO L495 AbstractCegarLoop]: Abstraction has 16601 states and 24294 transitions. [2022-10-16 16:23:20,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 16601 states and 24294 transitions. [2022-10-16 16:23:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:23:20,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:20,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:20,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:23:20,728 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr259ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:20,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1845094342, now seen corresponding path program 1 times [2022-10-16 16:23:20,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:20,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701276703] [2022-10-16 16:23:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:20,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:20,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:20,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701276703] [2022-10-16 16:23:20,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701276703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:20,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:20,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:20,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656397365] [2022-10-16 16:23:20,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:20,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:20,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:20,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:20,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:20,894 INFO L87 Difference]: Start difference. First operand 16601 states and 24294 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:23,251 INFO L93 Difference]: Finished difference Result 32103 states and 47266 transitions. [2022-10-16 16:23:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:23,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:23:23,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:23,284 INFO L225 Difference]: With dead ends: 32103 [2022-10-16 16:23:23,284 INFO L226 Difference]: Without dead ends: 20838 [2022-10-16 16:23:23,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:23,300 INFO L413 NwaCegarLoop]: 601 mSDtfsCounter, 2148 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:23,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 1815 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:23,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20838 states. [2022-10-16 16:23:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20838 to 20099. [2022-10-16 16:23:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20099 states, 20075 states have (on average 1.4742714819427147) internal successors, (29596), 20098 states have internal predecessors, (29596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20099 states to 20099 states and 29596 transitions. [2022-10-16 16:23:24,996 INFO L78 Accepts]: Start accepts. Automaton has 20099 states and 29596 transitions. Word has length 79 [2022-10-16 16:23:24,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:24,996 INFO L495 AbstractCegarLoop]: Abstraction has 20099 states and 29596 transitions. [2022-10-16 16:23:24,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20099 states and 29596 transitions. [2022-10-16 16:23:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:23:24,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:24,998 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] [2022-10-16 16:23:24,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:23:24,998 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:24,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:24,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1970558934, now seen corresponding path program 1 times [2022-10-16 16:23:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:24,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830604527] [2022-10-16 16:23:24,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:24,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:25,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:25,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830604527] [2022-10-16 16:23:25,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830604527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:25,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:25,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:25,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109995146] [2022-10-16 16:23:25,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:25,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:25,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:25,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:25,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:25,230 INFO L87 Difference]: Start difference. First operand 20099 states and 29596 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:27,475 INFO L93 Difference]: Finished difference Result 23032 states and 33899 transitions. [2022-10-16 16:23:27,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:27,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:23:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:27,520 INFO L225 Difference]: With dead ends: 23032 [2022-10-16 16:23:27,521 INFO L226 Difference]: Without dead ends: 23028 [2022-10-16 16:23:27,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:27,528 INFO L413 NwaCegarLoop]: 919 mSDtfsCounter, 1416 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:27,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1416 Valid, 2138 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23028 states. [2022-10-16 16:23:29,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23028 to 22984. [2022-10-16 16:23:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22984 states, 22961 states have (on average 1.474761552197204) internal successors, (33862), 22983 states have internal predecessors, (33862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22984 states to 22984 states and 33862 transitions. [2022-10-16 16:23:29,578 INFO L78 Accepts]: Start accepts. Automaton has 22984 states and 33862 transitions. Word has length 80 [2022-10-16 16:23:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:29,578 INFO L495 AbstractCegarLoop]: Abstraction has 22984 states and 33862 transitions. [2022-10-16 16:23:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 22984 states and 33862 transitions. [2022-10-16 16:23:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:23:29,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:29,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:29,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:23:29,580 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:29,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:29,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1845613379, now seen corresponding path program 1 times [2022-10-16 16:23:29,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:29,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279885194] [2022-10-16 16:23:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:29,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:29,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:29,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279885194] [2022-10-16 16:23:29,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279885194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:29,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:29,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:29,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878238628] [2022-10-16 16:23:29,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:29,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:29,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:29,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:29,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:29,737 INFO L87 Difference]: Start difference. First operand 22984 states and 33862 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:31,961 INFO L93 Difference]: Finished difference Result 23180 states and 34117 transitions. [2022-10-16 16:23:31,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:31,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:23:31,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:31,992 INFO L225 Difference]: With dead ends: 23180 [2022-10-16 16:23:31,992 INFO L226 Difference]: Without dead ends: 23178 [2022-10-16 16:23:31,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:31,999 INFO L413 NwaCegarLoop]: 864 mSDtfsCounter, 1099 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1851 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:31,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1851 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23178 states. [2022-10-16 16:23:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23178 to 23157. [2022-10-16 16:23:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23157 states, 23135 states have (on average 1.474389453209423) internal successors, (34110), 23156 states have internal predecessors, (34110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23157 states to 23157 states and 34110 transitions. [2022-10-16 16:23:33,938 INFO L78 Accepts]: Start accepts. Automaton has 23157 states and 34110 transitions. Word has length 80 [2022-10-16 16:23:33,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:33,939 INFO L495 AbstractCegarLoop]: Abstraction has 23157 states and 34110 transitions. [2022-10-16 16:23:33,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:33,939 INFO L276 IsEmpty]: Start isEmpty. Operand 23157 states and 34110 transitions. [2022-10-16 16:23:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:23:33,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:33,940 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] [2022-10-16 16:23:33,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:23:33,940 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:33,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:33,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1096822318, now seen corresponding path program 1 times [2022-10-16 16:23:33,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:33,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599491811] [2022-10-16 16:23:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:33,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:34,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:34,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599491811] [2022-10-16 16:23:34,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599491811] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:34,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:34,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:34,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078538785] [2022-10-16 16:23:34,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:34,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:34,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:34,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:34,115 INFO L87 Difference]: Start difference. First operand 23157 states and 34110 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:36,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:36,484 INFO L93 Difference]: Finished difference Result 23823 states and 35045 transitions. [2022-10-16 16:23:36,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:36,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:23:36,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:36,520 INFO L225 Difference]: With dead ends: 23823 [2022-10-16 16:23:36,520 INFO L226 Difference]: Without dead ends: 23821 [2022-10-16 16:23:36,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:36,529 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 1262 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:36,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 2244 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23821 states. [2022-10-16 16:23:38,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23821 to 23794. [2022-10-16 16:23:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23794 states, 23773 states have (on average 1.4737727674252303) internal successors, (35036), 23793 states have internal predecessors, (35036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23794 states to 23794 states and 35036 transitions. [2022-10-16 16:23:38,554 INFO L78 Accepts]: Start accepts. Automaton has 23794 states and 35036 transitions. Word has length 80 [2022-10-16 16:23:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:38,554 INFO L495 AbstractCegarLoop]: Abstraction has 23794 states and 35036 transitions. [2022-10-16 16:23:38,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 23794 states and 35036 transitions. [2022-10-16 16:23:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:23:38,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:38,555 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] [2022-10-16 16:23:38,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:23:38,556 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr214ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:38,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1238909126, now seen corresponding path program 1 times [2022-10-16 16:23:38,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:38,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453369951] [2022-10-16 16:23:38,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:38,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:38,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453369951] [2022-10-16 16:23:38,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453369951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:38,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:38,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160032121] [2022-10-16 16:23:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:38,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:38,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:38,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:38,701 INFO L87 Difference]: Start difference. First operand 23794 states and 35036 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:41,290 INFO L93 Difference]: Finished difference Result 23990 states and 35291 transitions. [2022-10-16 16:23:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:23:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:41,324 INFO L225 Difference]: With dead ends: 23990 [2022-10-16 16:23:41,324 INFO L226 Difference]: Without dead ends: 23988 [2022-10-16 16:23:41,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:41,333 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1323 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 2029 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:41,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 2029 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:41,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23988 states. [2022-10-16 16:23:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23988 to 23967. [2022-10-16 16:23:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23967 states, 23947 states have (on average 1.4733787113208334) internal successors, (35283), 23966 states have internal predecessors, (35283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 35283 transitions. [2022-10-16 16:23:43,393 INFO L78 Accepts]: Start accepts. Automaton has 23967 states and 35283 transitions. Word has length 80 [2022-10-16 16:23:43,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:43,393 INFO L495 AbstractCegarLoop]: Abstraction has 23967 states and 35283 transitions. [2022-10-16 16:23:43,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 23967 states and 35283 transitions. [2022-10-16 16:23:43,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:23:43,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:43,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:43,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:23:43,396 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:43,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash 957785487, now seen corresponding path program 1 times [2022-10-16 16:23:43,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:43,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145088250] [2022-10-16 16:23:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:43,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:43,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:43,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:43,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145088250] [2022-10-16 16:23:43,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145088250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:43,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:43,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:43,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477006553] [2022-10-16 16:23:43,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:43,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:43,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:43,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:43,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:43,549 INFO L87 Difference]: Start difference. First operand 23967 states and 35283 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:45,787 INFO L93 Difference]: Finished difference Result 27792 states and 40868 transitions. [2022-10-16 16:23:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:45,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:23:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:45,818 INFO L225 Difference]: With dead ends: 27792 [2022-10-16 16:23:45,818 INFO L226 Difference]: Without dead ends: 19873 [2022-10-16 16:23:45,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:45,834 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 1446 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:45,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 1959 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:23:45,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19873 states. [2022-10-16 16:23:46,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19873 to 11936. [2022-10-16 16:23:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11936 states, 11917 states have (on average 1.4841822606360662) internal successors, (17687), 11935 states have internal predecessors, (17687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11936 states to 11936 states and 17687 transitions. [2022-10-16 16:23:47,002 INFO L78 Accepts]: Start accepts. Automaton has 11936 states and 17687 transitions. Word has length 81 [2022-10-16 16:23:47,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:47,002 INFO L495 AbstractCegarLoop]: Abstraction has 11936 states and 17687 transitions. [2022-10-16 16:23:47,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11936 states and 17687 transitions. [2022-10-16 16:23:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:23:47,004 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:47,004 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] [2022-10-16 16:23:47,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:23:47,004 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:47,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1189063948, now seen corresponding path program 1 times [2022-10-16 16:23:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:47,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040014818] [2022-10-16 16:23:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:47,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:47,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:47,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040014818] [2022-10-16 16:23:47,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040014818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:47,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:47,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:47,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584434486] [2022-10-16 16:23:47,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:47,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:47,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:47,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:47,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:47,156 INFO L87 Difference]: Start difference. First operand 11936 states and 17687 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:48,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:48,651 INFO L93 Difference]: Finished difference Result 12022 states and 17772 transitions. [2022-10-16 16:23:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:48,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:23:48,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:48,668 INFO L225 Difference]: With dead ends: 12022 [2022-10-16 16:23:48,669 INFO L226 Difference]: Without dead ends: 12021 [2022-10-16 16:23:48,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:48,673 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 567 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:48,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2395 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:23:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12021 states. [2022-10-16 16:23:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12021 to 11936. [2022-10-16 16:23:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11936 states, 11917 states have (on average 1.4841822606360662) internal successors, (17687), 11935 states have internal predecessors, (17687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11936 states to 11936 states and 17687 transitions. [2022-10-16 16:23:49,757 INFO L78 Accepts]: Start accepts. Automaton has 11936 states and 17687 transitions. Word has length 83 [2022-10-16 16:23:49,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:49,757 INFO L495 AbstractCegarLoop]: Abstraction has 11936 states and 17687 transitions. [2022-10-16 16:23:49,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 11936 states and 17687 transitions. [2022-10-16 16:23:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:23:49,758 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:49,758 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] [2022-10-16 16:23:49,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:23:49,758 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr310ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:49,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:49,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1889365331, now seen corresponding path program 1 times [2022-10-16 16:23:49,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:49,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958876601] [2022-10-16 16:23:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:49,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:49,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958876601] [2022-10-16 16:23:49,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958876601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:49,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:49,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:23:49,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855489764] [2022-10-16 16:23:49,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:49,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:23:49,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:23:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:23:49,829 INFO L87 Difference]: Start difference. First operand 11936 states and 17687 transitions. Second operand has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:50,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:50,964 INFO L93 Difference]: Finished difference Result 11936 states and 17687 transitions. [2022-10-16 16:23:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:23:50,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:23:50,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:50,980 INFO L225 Difference]: With dead ends: 11936 [2022-10-16 16:23:50,980 INFO L226 Difference]: Without dead ends: 11934 [2022-10-16 16:23:50,984 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 16:23:50,985 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 828 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:50,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 881 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:50,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11934 states. [2022-10-16 16:23:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11934 to 11934. [2022-10-16 16:23:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11934 states, 11917 states have (on average 1.4708399765041538) internal successors, (17528), 11933 states have internal predecessors, (17528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11934 states to 11934 states and 17528 transitions. [2022-10-16 16:23:52,169 INFO L78 Accepts]: Start accepts. Automaton has 11934 states and 17528 transitions. Word has length 83 [2022-10-16 16:23:52,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:52,170 INFO L495 AbstractCegarLoop]: Abstraction has 11934 states and 17528 transitions. [2022-10-16 16:23:52,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11934 states and 17528 transitions. [2022-10-16 16:23:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:23:52,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:52,171 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] [2022-10-16 16:23:52,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:23:52,171 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr311ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1559219319, now seen corresponding path program 1 times [2022-10-16 16:23:52,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:52,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933617390] [2022-10-16 16:23:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:52,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:52,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:52,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933617390] [2022-10-16 16:23:52,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933617390] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:52,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:52,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:52,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657794231] [2022-10-16 16:23:52,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:52,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:52,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:52,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:52,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:52,298 INFO L87 Difference]: Start difference. First operand 11934 states and 17528 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:53,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:53,437 INFO L93 Difference]: Finished difference Result 11934 states and 17528 transitions. [2022-10-16 16:23:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:23:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:53,454 INFO L225 Difference]: With dead ends: 11934 [2022-10-16 16:23:53,454 INFO L226 Difference]: Without dead ends: 11854 [2022-10-16 16:23:53,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:53,459 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 813 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:53,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 1701 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:53,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11854 states. [2022-10-16 16:23:54,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11854 to 11854. [2022-10-16 16:23:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11854 states, 11839 states have (on average 1.457386603598277) internal successors, (17254), 11853 states have internal predecessors, (17254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:54,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11854 states to 11854 states and 17254 transitions. [2022-10-16 16:23:54,529 INFO L78 Accepts]: Start accepts. Automaton has 11854 states and 17254 transitions. Word has length 84 [2022-10-16 16:23:54,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:54,530 INFO L495 AbstractCegarLoop]: Abstraction has 11854 states and 17254 transitions. [2022-10-16 16:23:54,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 11854 states and 17254 transitions. [2022-10-16 16:23:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:23:54,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:54,533 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 16:23:54,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:23:54,533 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1373239365, now seen corresponding path program 1 times [2022-10-16 16:23:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:54,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940989665] [2022-10-16 16:23:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:54,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:54,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940989665] [2022-10-16 16:23:54,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940989665] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:54,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:54,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:54,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866631630] [2022-10-16 16:23:54,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:54,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:54,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:54,692 INFO L87 Difference]: Start difference. First operand 11854 states and 17254 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:23:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:56,282 INFO L93 Difference]: Finished difference Result 14075 states and 20498 transitions. [2022-10-16 16:23:56,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:56,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:23:56,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:56,299 INFO L225 Difference]: With dead ends: 14075 [2022-10-16 16:23:56,300 INFO L226 Difference]: Without dead ends: 14072 [2022-10-16 16:23:56,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:56,304 INFO L413 NwaCegarLoop]: 927 mSDtfsCounter, 549 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1637 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:56,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1637 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:23:56,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14072 states. [2022-10-16 16:23:57,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14072 to 13984. [2022-10-16 16:23:57,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13984 states, 13969 states have (on average 1.4567256067005512) internal successors, (20349), 13983 states have internal predecessors, (20349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:57,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13984 states to 13984 states and 20349 transitions. [2022-10-16 16:23:57,507 INFO L78 Accepts]: Start accepts. Automaton has 13984 states and 20349 transitions. Word has length 109 [2022-10-16 16:23:57,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:57,507 INFO L495 AbstractCegarLoop]: Abstraction has 13984 states and 20349 transitions. [2022-10-16 16:23:57,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:23:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 13984 states and 20349 transitions. [2022-10-16 16:23:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 16:23:57,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:57,511 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 16:23:57,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:23:57,511 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:23:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash -367786392, now seen corresponding path program 1 times [2022-10-16 16:23:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:57,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080427511] [2022-10-16 16:23:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:57,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:23:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080427511] [2022-10-16 16:23:57,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080427511] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:57,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:57,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:57,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024555565] [2022-10-16 16:23:57,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:57,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:57,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:57,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:57,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:57,657 INFO L87 Difference]: Start difference. First operand 13984 states and 20349 transitions. Second operand has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:23:59,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:59,458 INFO L93 Difference]: Finished difference Result 14289 states and 20761 transitions. [2022-10-16 16:23:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:59,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:23:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:59,478 INFO L225 Difference]: With dead ends: 14289 [2022-10-16 16:23:59,478 INFO L226 Difference]: Without dead ends: 14286 [2022-10-16 16:23:59,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:59,483 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 993 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:59,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [993 Valid, 1862 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:23:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14286 states. [2022-10-16 16:24:00,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14286 to 13984. [2022-10-16 16:24:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13984 states, 13969 states have (on average 1.4543632328727898) internal successors, (20316), 13983 states have internal predecessors, (20316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13984 states to 13984 states and 20316 transitions. [2022-10-16 16:24:00,800 INFO L78 Accepts]: Start accepts. Automaton has 13984 states and 20316 transitions. Word has length 109 [2022-10-16 16:24:00,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:00,800 INFO L495 AbstractCegarLoop]: Abstraction has 13984 states and 20316 transitions. [2022-10-16 16:24:00,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.25) internal successors, (109), 5 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 16:24:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 13984 states and 20316 transitions. [2022-10-16 16:24:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 16:24:00,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:00,803 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 16:24:00,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:24:00,803 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:00,803 INFO L85 PathProgramCache]: Analyzing trace with hash -189078418, now seen corresponding path program 1 times [2022-10-16 16:24:00,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:00,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638182336] [2022-10-16 16:24:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:00,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:00,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638182336] [2022-10-16 16:24:00,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638182336] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:00,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:00,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:00,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836697989] [2022-10-16 16:24:00,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:00,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:00,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:00,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:00,957 INFO L87 Difference]: Start difference. First operand 13984 states and 20316 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 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 16:24:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:02,712 INFO L93 Difference]: Finished difference Result 14231 states and 20645 transitions. [2022-10-16 16:24:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:02,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 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 16:24:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:02,733 INFO L225 Difference]: With dead ends: 14231 [2022-10-16 16:24:02,733 INFO L226 Difference]: Without dead ends: 14228 [2022-10-16 16:24:02,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:02,739 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 1080 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:02,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1847 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:02,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14228 states. [2022-10-16 16:24:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14228 to 13984. [2022-10-16 16:24:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13984 states, 13969 states have (on average 1.4522156203020975) internal successors, (20286), 13983 states have internal predecessors, (20286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13984 states to 13984 states and 20286 transitions. [2022-10-16 16:24:04,030 INFO L78 Accepts]: Start accepts. Automaton has 13984 states and 20286 transitions. Word has length 110 [2022-10-16 16:24:04,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:04,030 INFO L495 AbstractCegarLoop]: Abstraction has 13984 states and 20286 transitions. [2022-10-16 16:24:04,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 5 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 16:24:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 13984 states and 20286 transitions. [2022-10-16 16:24:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:04,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:04,033 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 16:24:04,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:24:04,033 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash -429700393, now seen corresponding path program 1 times [2022-10-16 16:24:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:04,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185027096] [2022-10-16 16:24:04,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:04,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:04,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185027096] [2022-10-16 16:24:04,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185027096] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:04,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:04,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:24:04,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647379315] [2022-10-16 16:24:04,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:04,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:24:04,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:04,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:24:04,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:24:04,149 INFO L87 Difference]: Start difference. First operand 13984 states and 20286 transitions. Second operand has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 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 16:24:06,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:06,084 INFO L93 Difference]: Finished difference Result 16419 states and 23748 transitions. [2022-10-16 16:24:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:24:06,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 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 16:24:06,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:06,106 INFO L225 Difference]: With dead ends: 16419 [2022-10-16 16:24:06,106 INFO L226 Difference]: Without dead ends: 16416 [2022-10-16 16:24:06,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:24:06,111 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 219 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:06,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 2182 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:06,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16416 states. [2022-10-16 16:24:07,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16416 to 13981. [2022-10-16 16:24:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13981 states, 13969 states have (on average 1.4333882167656955) internal successors, (20023), 13980 states have internal predecessors, (20023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13981 states to 13981 states and 20023 transitions. [2022-10-16 16:24:07,356 INFO L78 Accepts]: Start accepts. Automaton has 13981 states and 20023 transitions. Word has length 111 [2022-10-16 16:24:07,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:07,357 INFO L495 AbstractCegarLoop]: Abstraction has 13981 states and 20023 transitions. [2022-10-16 16:24:07,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 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 16:24:07,357 INFO L276 IsEmpty]: Start isEmpty. Operand 13981 states and 20023 transitions. [2022-10-16 16:24:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:07,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:07,360 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 16:24:07,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:24:07,360 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:07,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:07,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1128061219, now seen corresponding path program 1 times [2022-10-16 16:24:07,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:07,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305323885] [2022-10-16 16:24:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:07,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:07,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305323885] [2022-10-16 16:24:07,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305323885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:07,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:07,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:07,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600128698] [2022-10-16 16:24:07,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:07,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:07,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:07,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:07,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:07,541 INFO L87 Difference]: Start difference. First operand 13981 states and 20023 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:09,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:09,311 INFO L93 Difference]: Finished difference Result 14017 states and 20023 transitions. [2022-10-16 16:24:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:09,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:09,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:09,331 INFO L225 Difference]: With dead ends: 14017 [2022-10-16 16:24:09,331 INFO L226 Difference]: Without dead ends: 14014 [2022-10-16 16:24:09,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:09,337 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 1300 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 2117 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:09,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 2117 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:09,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14014 states. [2022-10-16 16:24:10,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14014 to 13981. [2022-10-16 16:24:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13981 states, 13969 states have (on average 1.4325291717374187) internal successors, (20011), 13980 states have internal predecessors, (20011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13981 states to 13981 states and 20011 transitions. [2022-10-16 16:24:10,665 INFO L78 Accepts]: Start accepts. Automaton has 13981 states and 20011 transitions. Word has length 111 [2022-10-16 16:24:10,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:10,665 INFO L495 AbstractCegarLoop]: Abstraction has 13981 states and 20011 transitions. [2022-10-16 16:24:10,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 13981 states and 20011 transitions. [2022-10-16 16:24:10,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:10,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:10,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:24:10,669 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:10,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1255395766, now seen corresponding path program 1 times [2022-10-16 16:24:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649687787] [2022-10-16 16:24:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:10,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:10,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:10,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649687787] [2022-10-16 16:24:10,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649687787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:10,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:10,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:10,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110784771] [2022-10-16 16:24:10,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:10,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:10,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:10,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:10,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:10,847 INFO L87 Difference]: Start difference. First operand 13981 states and 20011 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:12,763 INFO L93 Difference]: Finished difference Result 14852 states and 21221 transitions. [2022-10-16 16:24:12,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:12,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:12,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:12,786 INFO L225 Difference]: With dead ends: 14852 [2022-10-16 16:24:12,786 INFO L226 Difference]: Without dead ends: 14849 [2022-10-16 16:24:12,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:12,792 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 989 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:12,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 2327 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:12,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14849 states. [2022-10-16 16:24:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14849 to 14483. [2022-10-16 16:24:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14483 states, 14471 states have (on average 1.4309999308962753) internal successors, (20708), 14482 states have internal predecessors, (20708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14483 states to 14483 states and 20708 transitions. [2022-10-16 16:24:14,157 INFO L78 Accepts]: Start accepts. Automaton has 14483 states and 20708 transitions. Word has length 111 [2022-10-16 16:24:14,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:14,157 INFO L495 AbstractCegarLoop]: Abstraction has 14483 states and 20708 transitions. [2022-10-16 16:24:14,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 14483 states and 20708 transitions. [2022-10-16 16:24:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:14,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:14,160 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 16:24:14,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:24:14,160 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:14,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:14,161 INFO L85 PathProgramCache]: Analyzing trace with hash 7800277, now seen corresponding path program 1 times [2022-10-16 16:24:14,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:14,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932152765] [2022-10-16 16:24:14,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:14,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:14,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:14,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932152765] [2022-10-16 16:24:14,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932152765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:14,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:14,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:14,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59517037] [2022-10-16 16:24:14,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:14,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:14,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:14,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:14,327 INFO L87 Difference]: Start difference. First operand 14483 states and 20708 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:16,131 INFO L93 Difference]: Finished difference Result 14863 states and 21225 transitions. [2022-10-16 16:24:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:16,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:16,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:16,150 INFO L225 Difference]: With dead ends: 14863 [2022-10-16 16:24:16,150 INFO L226 Difference]: Without dead ends: 14862 [2022-10-16 16:24:16,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:16,154 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1059 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:16,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1560 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14862 states. [2022-10-16 16:24:17,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14862 to 14557. [2022-10-16 16:24:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14557 states, 14545 states have (on average 1.4309384668270884) internal successors, (20813), 14556 states have internal predecessors, (20813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14557 states to 14557 states and 20813 transitions. [2022-10-16 16:24:17,437 INFO L78 Accepts]: Start accepts. Automaton has 14557 states and 20813 transitions. Word has length 111 [2022-10-16 16:24:17,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:17,437 INFO L495 AbstractCegarLoop]: Abstraction has 14557 states and 20813 transitions. [2022-10-16 16:24:17,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:17,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14557 states and 20813 transitions. [2022-10-16 16:24:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:24:17,440 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:17,440 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 16:24:17,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-10-16 16:24:17,441 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:17,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:17,441 INFO L85 PathProgramCache]: Analyzing trace with hash 371886037, now seen corresponding path program 1 times [2022-10-16 16:24:17,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:17,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403294456] [2022-10-16 16:24:17,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:17,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:17,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:17,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403294456] [2022-10-16 16:24:17,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403294456] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:17,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:17,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:17,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974004240] [2022-10-16 16:24:17,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:17,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:17,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:17,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:17,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:17,619 INFO L87 Difference]: Start difference. First operand 14557 states and 20813 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:19,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:19,748 INFO L93 Difference]: Finished difference Result 14923 states and 21312 transitions. [2022-10-16 16:24:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:19,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:19,768 INFO L225 Difference]: With dead ends: 14923 [2022-10-16 16:24:19,768 INFO L226 Difference]: Without dead ends: 14922 [2022-10-16 16:24:19,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:19,773 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 1039 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:19,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 2853 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:24:19,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14922 states. [2022-10-16 16:24:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14922 to 14779. [2022-10-16 16:24:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14779 states, 14767 states have (on average 1.4320444233764476) internal successors, (21147), 14778 states have internal predecessors, (21147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14779 states to 14779 states and 21147 transitions. [2022-10-16 16:24:21,165 INFO L78 Accepts]: Start accepts. Automaton has 14779 states and 21147 transitions. Word has length 111 [2022-10-16 16:24:21,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:21,165 INFO L495 AbstractCegarLoop]: Abstraction has 14779 states and 21147 transitions. [2022-10-16 16:24:21,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 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 16:24:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 14779 states and 21147 transitions. [2022-10-16 16:24:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:21,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:21,168 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 16:24:21,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-10-16 16:24:21,168 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:21,169 INFO L85 PathProgramCache]: Analyzing trace with hash -610159146, now seen corresponding path program 1 times [2022-10-16 16:24:21,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:21,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948750393] [2022-10-16 16:24:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:21,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:21,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948750393] [2022-10-16 16:24:21,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948750393] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:21,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:21,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:21,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381201637] [2022-10-16 16:24:21,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:21,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:21,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:21,343 INFO L87 Difference]: Start difference. First operand 14779 states and 21147 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:23,178 INFO L93 Difference]: Finished difference Result 15662 states and 22389 transitions. [2022-10-16 16:24:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:23,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:23,198 INFO L225 Difference]: With dead ends: 15662 [2022-10-16 16:24:23,198 INFO L226 Difference]: Without dead ends: 13912 [2022-10-16 16:24:23,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:23,205 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 1173 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:23,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 1989 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:23,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13912 states. [2022-10-16 16:24:24,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13912 to 11963. [2022-10-16 16:24:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11963 states, 11951 states have (on average 1.4329344824700863) internal successors, (17125), 11962 states have internal predecessors, (17125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:24,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11963 states to 11963 states and 17125 transitions. [2022-10-16 16:24:24,384 INFO L78 Accepts]: Start accepts. Automaton has 11963 states and 17125 transitions. Word has length 112 [2022-10-16 16:24:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:24,384 INFO L495 AbstractCegarLoop]: Abstraction has 11963 states and 17125 transitions. [2022-10-16 16:24:24,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 11963 states and 17125 transitions. [2022-10-16 16:24:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:24,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:24,387 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 16:24:24,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-10-16 16:24:24,388 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:24,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1315724592, now seen corresponding path program 1 times [2022-10-16 16:24:24,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:24,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253344986] [2022-10-16 16:24:24,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:24,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:24,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253344986] [2022-10-16 16:24:24,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253344986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:24,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:24,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:24,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5298375] [2022-10-16 16:24:24,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:24,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:24,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:24,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:24,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:24,533 INFO L87 Difference]: Start difference. First operand 11963 states and 17125 transitions. Second operand has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:26,295 INFO L93 Difference]: Finished difference Result 12602 states and 18004 transitions. [2022-10-16 16:24:26,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:26,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:26,310 INFO L225 Difference]: With dead ends: 12602 [2022-10-16 16:24:26,310 INFO L226 Difference]: Without dead ends: 12599 [2022-10-16 16:24:26,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:26,314 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 1203 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1968 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:26,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1968 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12599 states. [2022-10-16 16:24:27,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12599 to 12333. [2022-10-16 16:24:27,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12333 states, 12321 states have (on average 1.4314584855125396) internal successors, (17637), 12332 states have internal predecessors, (17637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12333 states to 12333 states and 17637 transitions. [2022-10-16 16:24:27,410 INFO L78 Accepts]: Start accepts. Automaton has 12333 states and 17637 transitions. Word has length 112 [2022-10-16 16:24:27,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:27,410 INFO L495 AbstractCegarLoop]: Abstraction has 12333 states and 17637 transitions. [2022-10-16 16:24:27,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.4) internal successors, (112), 6 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 16:24:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 12333 states and 17637 transitions. [2022-10-16 16:24:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 16:24:27,413 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:27,413 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 16:24:27,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-10-16 16:24:27,413 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:27,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2030027109, now seen corresponding path program 1 times [2022-10-16 16:24:27,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:27,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326669481] [2022-10-16 16:24:27,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:27,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:27,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326669481] [2022-10-16 16:24:27,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326669481] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:27,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:27,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:27,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082475620] [2022-10-16 16:24:27,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:27,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:27,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:27,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:27,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:27,530 INFO L87 Difference]: Start difference. First operand 12333 states and 17637 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 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 16:24:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:29,359 INFO L93 Difference]: Finished difference Result 13834 states and 19796 transitions. [2022-10-16 16:24:29,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:29,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 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 16:24:29,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:29,376 INFO L225 Difference]: With dead ends: 13834 [2022-10-16 16:24:29,376 INFO L226 Difference]: Without dead ends: 13831 [2022-10-16 16:24:29,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:29,381 INFO L413 NwaCegarLoop]: 994 mSDtfsCounter, 351 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:29,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 2334 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13831 states. [2022-10-16 16:24:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13831 to 12201. [2022-10-16 16:24:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12201 states, 12189 states have (on average 1.428254984001969) internal successors, (17409), 12200 states have internal predecessors, (17409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12201 states to 12201 states and 17409 transitions. [2022-10-16 16:24:30,485 INFO L78 Accepts]: Start accepts. Automaton has 12201 states and 17409 transitions. Word has length 112 [2022-10-16 16:24:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:30,485 INFO L495 AbstractCegarLoop]: Abstraction has 12201 states and 17409 transitions. [2022-10-16 16:24:30,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 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 16:24:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12201 states and 17409 transitions. [2022-10-16 16:24:30,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:24:30,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:30,488 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] [2022-10-16 16:24:30,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-10-16 16:24:30,488 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:30,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:30,489 INFO L85 PathProgramCache]: Analyzing trace with hash -625208711, now seen corresponding path program 1 times [2022-10-16 16:24:30,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:30,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640361006] [2022-10-16 16:24:30,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:30,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:30,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:30,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640361006] [2022-10-16 16:24:30,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640361006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:30,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:30,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:30,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814280180] [2022-10-16 16:24:30,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:30,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:30,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:30,593 INFO L87 Difference]: Start difference. First operand 12201 states and 17409 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:32,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:32,513 INFO L93 Difference]: Finished difference Result 15687 states and 22504 transitions. [2022-10-16 16:24:32,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:32,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 16:24:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:32,536 INFO L225 Difference]: With dead ends: 15687 [2022-10-16 16:24:32,536 INFO L226 Difference]: Without dead ends: 15681 [2022-10-16 16:24:32,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:32,544 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 375 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:32,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 2297 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15681 states. [2022-10-16 16:24:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15681 to 13591. [2022-10-16 16:24:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13591 states, 13579 states have (on average 1.4202813167390824) internal successors, (19286), 13590 states have internal predecessors, (19286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13591 states to 13591 states and 19286 transitions. [2022-10-16 16:24:33,857 INFO L78 Accepts]: Start accepts. Automaton has 13591 states and 19286 transitions. Word has length 113 [2022-10-16 16:24:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:33,857 INFO L495 AbstractCegarLoop]: Abstraction has 13591 states and 19286 transitions. [2022-10-16 16:24:33,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 13591 states and 19286 transitions. [2022-10-16 16:24:33,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:24:33,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:33,860 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] [2022-10-16 16:24:33,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-10-16 16:24:33,860 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:33,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:33,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1342452012, now seen corresponding path program 1 times [2022-10-16 16:24:33,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:33,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958898778] [2022-10-16 16:24:33,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:33,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:34,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:34,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958898778] [2022-10-16 16:24:34,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958898778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:34,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:34,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:34,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503407705] [2022-10-16 16:24:34,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:34,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:34,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:34,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:34,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:34,022 INFO L87 Difference]: Start difference. First operand 13591 states and 19286 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:35,916 INFO L93 Difference]: Finished difference Result 13917 states and 19721 transitions. [2022-10-16 16:24:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 16:24:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:35,932 INFO L225 Difference]: With dead ends: 13917 [2022-10-16 16:24:35,932 INFO L226 Difference]: Without dead ends: 13742 [2022-10-16 16:24:35,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:35,935 INFO L413 NwaCegarLoop]: 1003 mSDtfsCounter, 558 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:35,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 2337 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:35,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13742 states. [2022-10-16 16:24:37,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13742 to 13607. [2022-10-16 16:24:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13607 states, 13595 states have (on average 1.4198602427363) internal successors, (19303), 13606 states have internal predecessors, (19303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13607 states to 13607 states and 19303 transitions. [2022-10-16 16:24:37,134 INFO L78 Accepts]: Start accepts. Automaton has 13607 states and 19303 transitions. Word has length 113 [2022-10-16 16:24:37,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:37,135 INFO L495 AbstractCegarLoop]: Abstraction has 13607 states and 19303 transitions. [2022-10-16 16:24:37,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 13607 states and 19303 transitions. [2022-10-16 16:24:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:24:37,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:37,137 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] [2022-10-16 16:24:37,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-10-16 16:24:37,138 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:37,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:37,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1127001140, now seen corresponding path program 1 times [2022-10-16 16:24:37,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:37,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279620649] [2022-10-16 16:24:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:37,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:37,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279620649] [2022-10-16 16:24:37,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279620649] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:37,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:37,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:37,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052098639] [2022-10-16 16:24:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:37,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:37,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:37,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:37,313 INFO L87 Difference]: Start difference. First operand 13607 states and 19303 transitions. Second operand has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:39,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:39,270 INFO L93 Difference]: Finished difference Result 15190 states and 21535 transitions. [2022-10-16 16:24:39,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:39,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 16:24:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:39,291 INFO L225 Difference]: With dead ends: 15190 [2022-10-16 16:24:39,291 INFO L226 Difference]: Without dead ends: 15073 [2022-10-16 16:24:39,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:39,297 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 523 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:39,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 2005 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:24:39,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15073 states. [2022-10-16 16:24:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15073 to 15049. [2022-10-16 16:24:40,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15049 states, 15037 states have (on average 1.4201635964620603) internal successors, (21355), 15048 states have internal predecessors, (21355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15049 states to 15049 states and 21355 transitions. [2022-10-16 16:24:40,905 INFO L78 Accepts]: Start accepts. Automaton has 15049 states and 21355 transitions. Word has length 113 [2022-10-16 16:24:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:40,905 INFO L495 AbstractCegarLoop]: Abstraction has 15049 states and 21355 transitions. [2022-10-16 16:24:40,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.6) internal successors, (113), 6 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 15049 states and 21355 transitions. [2022-10-16 16:24:40,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:24:40,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:40,908 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 16:24:40,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-10-16 16:24:40,909 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:40,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:40,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1969086890, now seen corresponding path program 1 times [2022-10-16 16:24:40,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:40,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782189241] [2022-10-16 16:24:40,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:40,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:40,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:40,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782189241] [2022-10-16 16:24:40,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782189241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:40,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:40,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:24:40,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726370858] [2022-10-16 16:24:40,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:40,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:24:40,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:24:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:24:40,972 INFO L87 Difference]: Start difference. First operand 15049 states and 21355 transitions. Second operand has 3 states, 3 states have (on average 38.0) 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 16:24:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:44,272 INFO L93 Difference]: Finished difference Result 43706 states and 62308 transitions. [2022-10-16 16:24:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:24:44,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) 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 16:24:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:44,324 INFO L225 Difference]: With dead ends: 43706 [2022-10-16 16:24:44,324 INFO L226 Difference]: Without dead ends: 29358 [2022-10-16 16:24:44,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:24:44,341 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 513 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1347 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:44,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1347 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:24:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29358 states. [2022-10-16 16:24:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29358 to 29346. [2022-10-16 16:24:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29346 states, 29334 states have (on average 1.41552464716711) internal successors, (41523), 29345 states have internal predecessors, (41523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29346 states to 29346 states and 41523 transitions. [2022-10-16 16:24:47,730 INFO L78 Accepts]: Start accepts. Automaton has 29346 states and 41523 transitions. Word has length 114 [2022-10-16 16:24:47,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:47,731 INFO L495 AbstractCegarLoop]: Abstraction has 29346 states and 41523 transitions. [2022-10-16 16:24:47,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) 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 16:24:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 29346 states and 41523 transitions. [2022-10-16 16:24:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:24:47,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:47,736 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 16:24:47,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-10-16 16:24:47,736 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash -735485429, now seen corresponding path program 1 times [2022-10-16 16:24:47,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:47,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670730547] [2022-10-16 16:24:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:47,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:47,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:47,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670730547] [2022-10-16 16:24:47,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670730547] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:47,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:47,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:47,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286849364] [2022-10-16 16:24:47,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:47,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:47,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:47,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:47,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:47,925 INFO L87 Difference]: Start difference. First operand 29346 states and 41523 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:24:51,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:51,763 INFO L93 Difference]: Finished difference Result 30477 states and 43077 transitions. [2022-10-16 16:24:51,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:51,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:24:51,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:51,802 INFO L225 Difference]: With dead ends: 30477 [2022-10-16 16:24:51,803 INFO L226 Difference]: Without dead ends: 29996 [2022-10-16 16:24:51,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:51,809 INFO L413 NwaCegarLoop]: 1002 mSDtfsCounter, 562 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 2187 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:51,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 2187 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:24:51,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29996 states. [2022-10-16 16:24:54,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29996 to 27869. [2022-10-16 16:24:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27869 states, 27857 states have (on average 1.4158021323186272) internal successors, (39440), 27868 states have internal predecessors, (39440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27869 states to 27869 states and 39440 transitions. [2022-10-16 16:24:54,765 INFO L78 Accepts]: Start accepts. Automaton has 27869 states and 39440 transitions. Word has length 114 [2022-10-16 16:24:54,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:54,765 INFO L495 AbstractCegarLoop]: Abstraction has 27869 states and 39440 transitions. [2022-10-16 16:24:54,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:24:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27869 states and 39440 transitions. [2022-10-16 16:24:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:24:54,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:54,769 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 16:24:54,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-10-16 16:24:54,769 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:24:54,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:54,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1667790506, now seen corresponding path program 1 times [2022-10-16 16:24:54,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:54,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142534206] [2022-10-16 16:24:54,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:54,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:24:54,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142534206] [2022-10-16 16:24:54,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142534206] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:54,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:54,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:54,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142912628] [2022-10-16 16:24:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:54,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:54,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:54,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:54,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:54,974 INFO L87 Difference]: Start difference. First operand 27869 states and 39440 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:24:58,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:58,654 INFO L93 Difference]: Finished difference Result 29798 states and 42154 transitions. [2022-10-16 16:24:58,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:58,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:24:58,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:58,701 INFO L225 Difference]: With dead ends: 29798 [2022-10-16 16:24:58,701 INFO L226 Difference]: Without dead ends: 29386 [2022-10-16 16:24:58,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:58,712 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 579 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:58,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 2286 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:24:58,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29386 states. [2022-10-16 16:25:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29386 to 29126. [2022-10-16 16:25:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29126 states, 29114 states have (on average 1.4157793501408258) internal successors, (41219), 29125 states have internal predecessors, (41219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:01,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29126 states to 29126 states and 41219 transitions. [2022-10-16 16:25:01,893 INFO L78 Accepts]: Start accepts. Automaton has 29126 states and 41219 transitions. Word has length 114 [2022-10-16 16:25:01,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:01,893 INFO L495 AbstractCegarLoop]: Abstraction has 29126 states and 41219 transitions. [2022-10-16 16:25:01,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:25:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 29126 states and 41219 transitions. [2022-10-16 16:25:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 16:25:01,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:01,898 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 16:25:01,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-10-16 16:25:01,898 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:01,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash 940908039, now seen corresponding path program 1 times [2022-10-16 16:25:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:01,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697501290] [2022-10-16 16:25:01,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:01,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:02,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:02,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697501290] [2022-10-16 16:25:02,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697501290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:02,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:02,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:02,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336650213] [2022-10-16 16:25:02,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:02,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:02,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:02,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:02,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:02,068 INFO L87 Difference]: Start difference. First operand 29126 states and 41219 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:25:06,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:06,778 INFO L93 Difference]: Finished difference Result 41275 states and 58538 transitions. [2022-10-16 16:25:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:06,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:25:06,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:06,833 INFO L225 Difference]: With dead ends: 41275 [2022-10-16 16:25:06,833 INFO L226 Difference]: Without dead ends: 38167 [2022-10-16 16:25:06,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:06,843 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 424 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2409 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:06,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2409 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:25:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2022-10-16 16:25:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 28081. [2022-10-16 16:25:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28081 states, 28069 states have (on average 1.4132316790765613) internal successors, (39668), 28080 states have internal predecessors, (39668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28081 states to 28081 states and 39668 transitions. [2022-10-16 16:25:09,981 INFO L78 Accepts]: Start accepts. Automaton has 28081 states and 39668 transitions. Word has length 114 [2022-10-16 16:25:09,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:09,981 INFO L495 AbstractCegarLoop]: Abstraction has 28081 states and 39668 transitions. [2022-10-16 16:25:09,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 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 16:25:09,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28081 states and 39668 transitions. [2022-10-16 16:25:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:25:09,985 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:09,985 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 16:25:09,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-10-16 16:25:09,985 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:09,986 INFO L85 PathProgramCache]: Analyzing trace with hash 469858843, now seen corresponding path program 1 times [2022-10-16 16:25:09,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:09,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172876587] [2022-10-16 16:25:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:09,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:10,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172876587] [2022-10-16 16:25:10,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172876587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:10,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:10,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:10,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769406075] [2022-10-16 16:25:10,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:10,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:10,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:10,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:10,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:10,137 INFO L87 Difference]: Start difference. First operand 28081 states and 39668 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 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 16:25:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:14,803 INFO L93 Difference]: Finished difference Result 36669 states and 51712 transitions. [2022-10-16 16:25:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:14,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 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 16:25:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:14,843 INFO L225 Difference]: With dead ends: 36669 [2022-10-16 16:25:14,843 INFO L226 Difference]: Without dead ends: 29947 [2022-10-16 16:25:14,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:14,854 INFO L413 NwaCegarLoop]: 992 mSDtfsCounter, 477 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:14,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 2780 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:25:14,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29947 states. [2022-10-16 16:25:17,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29947 to 25860. [2022-10-16 16:25:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25860 states, 25848 states have (on average 1.411714639430517) internal successors, (36490), 25859 states have internal predecessors, (36490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25860 states to 25860 states and 36490 transitions. [2022-10-16 16:25:17,989 INFO L78 Accepts]: Start accepts. Automaton has 25860 states and 36490 transitions. Word has length 115 [2022-10-16 16:25:17,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:17,989 INFO L495 AbstractCegarLoop]: Abstraction has 25860 states and 36490 transitions. [2022-10-16 16:25:17,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 6 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 16:25:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 25860 states and 36490 transitions. [2022-10-16 16:25:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 16:25:17,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:17,994 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:17,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-10-16 16:25:17,995 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:17,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:17,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1323237290, now seen corresponding path program 1 times [2022-10-16 16:25:17,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:17,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388394440] [2022-10-16 16:25:17,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:17,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:18,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:18,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388394440] [2022-10-16 16:25:18,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388394440] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:18,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273351578] [2022-10-16 16:25:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:18,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:18,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:18,214 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:18,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:25:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:18,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:18,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:18,640 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:18,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:18,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273351578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:18,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:18,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:18,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369722945] [2022-10-16 16:25:18,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:18,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:18,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:18,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:18,643 INFO L87 Difference]: Start difference. First operand 25860 states and 36490 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:25,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:25,250 INFO L93 Difference]: Finished difference Result 75896 states and 107662 transitions. [2022-10-16 16:25:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:25,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 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 145 [2022-10-16 16:25:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:25,334 INFO L225 Difference]: With dead ends: 75896 [2022-10-16 16:25:25,334 INFO L226 Difference]: Without dead ends: 50452 [2022-10-16 16:25:25,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:25,366 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1249 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1249 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:25,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1249 Valid, 523 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:25,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50452 states. [2022-10-16 16:25:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50452 to 25596. [2022-10-16 16:25:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25596 states, 25584 states have (on average 1.415181363352095) internal successors, (36206), 25595 states have internal predecessors, (36206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25596 states to 25596 states and 36206 transitions. [2022-10-16 16:25:29,499 INFO L78 Accepts]: Start accepts. Automaton has 25596 states and 36206 transitions. Word has length 145 [2022-10-16 16:25:29,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:29,499 INFO L495 AbstractCegarLoop]: Abstraction has 25596 states and 36206 transitions. [2022-10-16 16:25:29,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 25596 states and 36206 transitions. [2022-10-16 16:25:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 16:25:29,503 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:29,504 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:29,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:29,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 16:25:29,705 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:29,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:29,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1091747885, now seen corresponding path program 1 times [2022-10-16 16:25:29,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:29,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045080850] [2022-10-16 16:25:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:29,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:29,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045080850] [2022-10-16 16:25:29,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045080850] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:29,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745259070] [2022-10-16 16:25:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:29,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:29,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:29,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:29,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:25:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:30,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:25:30,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:25:30,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:30,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745259070] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:30,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:30,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:25:30,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808487071] [2022-10-16 16:25:30,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:30,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:25:30,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:30,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:25:30,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:25:30,152 INFO L87 Difference]: Start difference. First operand 25596 states and 36206 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:34,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:34,315 INFO L93 Difference]: Finished difference Result 50800 states and 71982 transitions. [2022-10-16 16:25:34,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:25:34,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 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 147 [2022-10-16 16:25:34,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:34,359 INFO L225 Difference]: With dead ends: 50800 [2022-10-16 16:25:34,359 INFO L226 Difference]: Without dead ends: 25500 [2022-10-16 16:25:34,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:25:34,390 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 816 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:34,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 321 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:25:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25500 states. [2022-10-16 16:25:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25500 to 25500. [2022-10-16 16:25:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25500 states, 25488 states have (on average 1.4027777777777777) internal successors, (35754), 25499 states have internal predecessors, (35754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25500 states to 25500 states and 35754 transitions. [2022-10-16 16:25:38,699 INFO L78 Accepts]: Start accepts. Automaton has 25500 states and 35754 transitions. Word has length 147 [2022-10-16 16:25:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:38,699 INFO L495 AbstractCegarLoop]: Abstraction has 25500 states and 35754 transitions. [2022-10-16 16:25:38,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 25500 states and 35754 transitions. [2022-10-16 16:25:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 16:25:38,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:38,705 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:38,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:25:38,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2022-10-16 16:25:38,906 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:38,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:38,907 INFO L85 PathProgramCache]: Analyzing trace with hash 745268036, now seen corresponding path program 1 times [2022-10-16 16:25:38,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:38,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818593239] [2022-10-16 16:25:38,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:38,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:39,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:39,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818593239] [2022-10-16 16:25:39,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818593239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:39,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:25:39,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:25:39,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903184685] [2022-10-16 16:25:39,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:39,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:25:39,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:39,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:25:39,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:39,151 INFO L87 Difference]: Start difference. First operand 25500 states and 35754 transitions. Second operand has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:25:43,730 INFO L93 Difference]: Finished difference Result 28174 states and 39466 transitions. [2022-10-16 16:25:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:25:43,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2022-10-16 16:25:43,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:25:43,771 INFO L225 Difference]: With dead ends: 28174 [2022-10-16 16:25:43,772 INFO L226 Difference]: Without dead ends: 27158 [2022-10-16 16:25:43,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:25:43,781 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 481 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:25:43,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1312 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:25:43,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27158 states. [2022-10-16 16:25:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27158 to 21059. [2022-10-16 16:25:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21059 states, 21047 states have (on average 1.3983940704138358) internal successors, (29432), 21058 states have internal predecessors, (29432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21059 states to 21059 states and 29432 transitions. [2022-10-16 16:25:46,776 INFO L78 Accepts]: Start accepts. Automaton has 21059 states and 29432 transitions. Word has length 148 [2022-10-16 16:25:46,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:25:46,776 INFO L495 AbstractCegarLoop]: Abstraction has 21059 states and 29432 transitions. [2022-10-16 16:25:46,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.6) internal successors, (148), 6 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:25:46,776 INFO L276 IsEmpty]: Start isEmpty. Operand 21059 states and 29432 transitions. [2022-10-16 16:25:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 16:25:46,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:25:46,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:25:46,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-10-16 16:25:46,780 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 397 more)] === [2022-10-16 16:25:46,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:25:46,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1644725738, now seen corresponding path program 1 times [2022-10-16 16:25:46,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:25:46,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131613839] [2022-10-16 16:25:46,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:46,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:25:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:25:46,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:25:46,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131613839] [2022-10-16 16:25:46,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131613839] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:25:46,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499286251] [2022-10-16 16:25:46,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:25:46,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:25:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:25:46,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:25:46,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:25:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:25:47,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:25:47,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:25:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:25:47,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:25:47,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499286251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:25:47,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:25:47,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:25:47,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522625846] [2022-10-16 16:25:47,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:25:47,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:25:47,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:25:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:25:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:25:47,519 INFO L87 Difference]: Start difference. First operand 21059 states and 29432 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 6 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)