/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:51:28,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:51:28,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:51:28,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:51:28,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:51:28,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:51:28,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:51:28,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:51:28,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:51:28,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:51:28,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:51:28,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:51:28,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:51:28,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:51:28,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:51:28,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:51:28,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:51:28,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:51:28,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:51:28,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:51:28,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:51:28,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:51:28,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:51:28,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:51:28,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:51:28,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:51:28,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:51:28,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:51:28,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:51:28,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:51:28,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:51:28,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:51:28,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:51:28,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:51:28,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:51:28,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:51:28,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:51:28,737 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:51:28,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:51:28,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:51:28,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:51:28,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:51:28,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:51:28,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:51:28,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:51:28,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:51:28,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:51:28,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:51:28,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:51:28,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:51:28,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:51:28,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:51:28,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:51:28,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:51:28,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:51:28,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:51:28,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:51:28,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:51:29,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:51:29,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:51:29,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:51:29,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:51:29,203 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:51:29,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:51:29,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0b61bed/490b6463a2d743839f0b91bb9699dcd4/FLAG4c4551c66 [2022-10-16 15:51:30,191 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:51:30,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:51:30,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0b61bed/490b6463a2d743839f0b91bb9699dcd4/FLAG4c4551c66 [2022-10-16 15:51:30,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff0b61bed/490b6463a2d743839f0b91bb9699dcd4 [2022-10-16 15:51:30,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:51:30,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:51:30,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:51:30,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:51:30,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:51:30,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:51:30" (1/1) ... [2022-10-16 15:51:30,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415edaef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:30, skipping insertion in model container [2022-10-16 15:51:30,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:51:30" (1/1) ... [2022-10-16 15:51:30,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:51:30,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:51:31,144 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_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167] [2022-10-16 15:51:31,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057] [2022-10-16 15:51:31,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759] [2022-10-16 15:51:31,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649] [2022-10-16 15:51:31,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166] [2022-10-16 15:51:31,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059] [2022-10-16 15:51:31,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764] [2022-10-16 15:51:31,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041] [2022-10-16 15:51:31,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090] [2022-10-16 15:51:31,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983] [2022-10-16 15:51:31,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688] [2022-10-16 15:51:31,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889] [2022-10-16 15:51:31,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:51:31,783 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:51:32,057 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_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31154,31167] [2022-10-16 15:51:32,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32044,32057] [2022-10-16 15:51:32,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33746,33759] [2022-10-16 15:51:32,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34636,34649] [2022-10-16 15:51:32,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37153,37166] [2022-10-16 15:51:32,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38046,38059] [2022-10-16 15:51:32,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39751,39764] [2022-10-16 15:51:32,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41028,41041] [2022-10-16 15:51:32,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55077,55090] [2022-10-16 15:51:32,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55970,55983] [2022-10-16 15:51:32,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[57675,57688] [2022-10-16 15:51:32,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61876,61889] [2022-10-16 15:51:32,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:51:32,655 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:51:32,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32 WrapperNode [2022-10-16 15:51:32,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:51:32,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:51:32,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:51:32,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:51:32,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:32,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:32,910 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4243 [2022-10-16 15:51:32,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:51:32,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:51:32,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:51:32,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:51:32,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:32,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:32,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:32,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:51:33,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:51:33,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:51:33,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:51:33,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (1/1) ... [2022-10-16 15:51:33,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:51:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:51:33,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 15:51:33,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 15:51:33,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:51:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:51:33,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:51:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:51:33,559 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:51:33,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:51:36,865 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:51:36,907 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:51:36,907 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:51:36,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:51:36 BoogieIcfgContainer [2022-10-16 15:51:36,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:51:36,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:51:36,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:51:36,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:51:36,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:51:30" (1/3) ... [2022-10-16 15:51:36,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3791d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:51:36, skipping insertion in model container [2022-10-16 15:51:36,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:51:32" (2/3) ... [2022-10-16 15:51:36,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3791d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:51:36, skipping insertion in model container [2022-10-16 15:51:36,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:51:36" (3/3) ... [2022-10-16 15:51:36,925 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 15:51:36,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:51:36,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 436 error locations. [2022-10-16 15:51:37,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:51:37,080 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;@20bf989e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:51:37,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 436 error locations. [2022-10-16 15:51:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 1757 states, 1320 states have (on average 1.8909090909090909) internal successors, (2496), 1756 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:51:37,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:37,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:37,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:37,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1520129315, now seen corresponding path program 1 times [2022-10-16 15:51:37,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:37,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727459872] [2022-10-16 15:51:37,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:37,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:38,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:38,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727459872] [2022-10-16 15:51:38,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727459872] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:38,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:38,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:38,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831532260] [2022-10-16 15:51:38,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:38,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:38,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:38,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:38,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:38,320 INFO L87 Difference]: Start difference. First operand has 1757 states, 1320 states have (on average 1.8909090909090909) internal successors, (2496), 1756 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:39,262 INFO L93 Difference]: Finished difference Result 1973 states and 2815 transitions. [2022-10-16 15:51:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:39,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2022-10-16 15:51:39,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:39,294 INFO L225 Difference]: With dead ends: 1973 [2022-10-16 15:51:39,294 INFO L226 Difference]: Without dead ends: 1868 [2022-10-16 15:51:39,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:39,304 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1741 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2620 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:39,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2620 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:51:39,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2022-10-16 15:51:39,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1836. [2022-10-16 15:51:39,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1471 states have (on average 1.654656696125085) internal successors, (2434), 1835 states have internal predecessors, (2434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2434 transitions. [2022-10-16 15:51:39,467 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2434 transitions. Word has length 118 [2022-10-16 15:51:39,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:39,469 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2434 transitions. [2022-10-16 15:51:39,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.0) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2434 transitions. [2022-10-16 15:51:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 15:51:39,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:39,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:39,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:51:39,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:39,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:39,476 INFO L85 PathProgramCache]: Analyzing trace with hash 120631956, now seen corresponding path program 1 times [2022-10-16 15:51:39,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:39,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167010632] [2022-10-16 15:51:39,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:39,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:39,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:39,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167010632] [2022-10-16 15:51:39,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167010632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:39,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:39,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:39,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797115637] [2022-10-16 15:51:39,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:39,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:39,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:39,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:39,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:39,818 INFO L87 Difference]: Start difference. First operand 1836 states and 2434 transitions. Second operand has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:40,446 INFO L93 Difference]: Finished difference Result 1871 states and 2434 transitions. [2022-10-16 15:51:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:40,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-10-16 15:51:40,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:40,458 INFO L225 Difference]: With dead ends: 1871 [2022-10-16 15:51:40,458 INFO L226 Difference]: Without dead ends: 1851 [2022-10-16 15:51:40,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:40,461 INFO L413 NwaCegarLoop]: 1799 mSDtfsCounter, 1524 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1524 SdHoareTripleChecker+Valid, 2328 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:40,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1524 Valid, 2328 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:51:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2022-10-16 15:51:40,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1819. [2022-10-16 15:51:40,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1819 states, 1471 states have (on average 1.6410605030591434) internal successors, (2414), 1818 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 2414 transitions. [2022-10-16 15:51:40,545 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 2414 transitions. Word has length 119 [2022-10-16 15:51:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:40,546 INFO L495 AbstractCegarLoop]: Abstraction has 1819 states and 2414 transitions. [2022-10-16 15:51:40,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2414 transitions. [2022-10-16 15:51:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:51:40,549 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:40,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:40,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:51:40,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:40,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:40,550 INFO L85 PathProgramCache]: Analyzing trace with hash -555376193, now seen corresponding path program 1 times [2022-10-16 15:51:40,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:40,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827126867] [2022-10-16 15:51:40,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:40,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:40,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827126867] [2022-10-16 15:51:40,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827126867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:40,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:40,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:40,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498866654] [2022-10-16 15:51:40,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:40,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:40,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:40,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:40,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:40,792 INFO L87 Difference]: Start difference. First operand 1819 states and 2414 transitions. Second operand has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:41,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:41,466 INFO L93 Difference]: Finished difference Result 2023 states and 2714 transitions. [2022-10-16 15:51:41,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:41,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-10-16 15:51:41,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:41,478 INFO L225 Difference]: With dead ends: 2023 [2022-10-16 15:51:41,479 INFO L226 Difference]: Without dead ends: 2006 [2022-10-16 15:51:41,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:41,481 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 1399 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:41,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 2369 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:51:41,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2022-10-16 15:51:41,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 1980. [2022-10-16 15:51:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1646 states have (on average 1.6385176184690158) internal successors, (2697), 1979 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2697 transitions. [2022-10-16 15:51:41,579 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2697 transitions. Word has length 120 [2022-10-16 15:51:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:41,580 INFO L495 AbstractCegarLoop]: Abstraction has 1980 states and 2697 transitions. [2022-10-16 15:51:41,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2697 transitions. [2022-10-16 15:51:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 15:51:41,582 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:41,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:41,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:51:41,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:41,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash -36792330, now seen corresponding path program 1 times [2022-10-16 15:51:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:41,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549767221] [2022-10-16 15:51:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:41,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:41,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:41,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549767221] [2022-10-16 15:51:41,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549767221] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:41,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:41,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:41,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610615888] [2022-10-16 15:51:41,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:41,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:41,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:41,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:41,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:41,809 INFO L87 Difference]: Start difference. First operand 1980 states and 2697 transitions. Second operand has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:42,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:42,546 INFO L93 Difference]: Finished difference Result 2009 states and 2697 transitions. [2022-10-16 15:51:42,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:42,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-10-16 15:51:42,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:42,558 INFO L225 Difference]: With dead ends: 2009 [2022-10-16 15:51:42,558 INFO L226 Difference]: Without dead ends: 1992 [2022-10-16 15:51:42,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:42,562 INFO L413 NwaCegarLoop]: 1804 mSDtfsCounter, 1381 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1381 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:42,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1381 Valid, 2372 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:51:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1992 states. [2022-10-16 15:51:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1992 to 1966. [2022-10-16 15:51:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1646 states have (on average 1.6281895504252735) internal successors, (2680), 1965 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2680 transitions. [2022-10-16 15:51:42,689 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2680 transitions. Word has length 121 [2022-10-16 15:51:42,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:42,690 INFO L495 AbstractCegarLoop]: Abstraction has 1966 states and 2680 transitions. [2022-10-16 15:51:42,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.5) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2680 transitions. [2022-10-16 15:51:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 15:51:42,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:42,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:42,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:51:42,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1140561759, now seen corresponding path program 1 times [2022-10-16 15:51:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:42,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306167929] [2022-10-16 15:51:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:43,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:43,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306167929] [2022-10-16 15:51:43,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306167929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:43,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:43,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:43,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135794981] [2022-10-16 15:51:43,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:43,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:43,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:43,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:43,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:43,019 INFO L87 Difference]: Start difference. First operand 1966 states and 2680 transitions. Second operand has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:43,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:43,723 INFO L93 Difference]: Finished difference Result 2364 states and 3328 transitions. [2022-10-16 15:51:43,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 15:51:43,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:43,761 INFO L225 Difference]: With dead ends: 2364 [2022-10-16 15:51:43,762 INFO L226 Difference]: Without dead ends: 2345 [2022-10-16 15:51:43,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:43,769 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1564 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 2061 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:43,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1564 Valid, 2061 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:51:43,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2022-10-16 15:51:44,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2341. [2022-10-16 15:51:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2341 states, 2039 states have (on average 1.6199117214320746) internal successors, (3303), 2340 states have internal predecessors, (3303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2341 states and 3303 transitions. [2022-10-16 15:51:44,023 INFO L78 Accepts]: Start accepts. Automaton has 2341 states and 3303 transitions. Word has length 122 [2022-10-16 15:51:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:44,024 INFO L495 AbstractCegarLoop]: Abstraction has 2341 states and 3303 transitions. [2022-10-16 15:51:44,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 3303 transitions. [2022-10-16 15:51:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:51:44,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:44,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:44,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:51:44,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash -997675688, now seen corresponding path program 1 times [2022-10-16 15:51:44,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:44,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298384341] [2022-10-16 15:51:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:44,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:44,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:44,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298384341] [2022-10-16 15:51:44,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298384341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:44,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:44,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:44,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367021722] [2022-10-16 15:51:44,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:44,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:44,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:44,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:44,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:44,320 INFO L87 Difference]: Start difference. First operand 2341 states and 3303 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:45,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:45,102 INFO L93 Difference]: Finished difference Result 3048 states and 4436 transitions. [2022-10-16 15:51:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:45,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 15:51:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:45,119 INFO L225 Difference]: With dead ends: 3048 [2022-10-16 15:51:45,119 INFO L226 Difference]: Without dead ends: 3033 [2022-10-16 15:51:45,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:45,122 INFO L413 NwaCegarLoop]: 1788 mSDtfsCounter, 1418 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:45,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1418 Valid, 2230 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:51:45,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2022-10-16 15:51:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3001. [2022-10-16 15:51:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3001 states, 2711 states have (on average 1.6274437476945776) internal successors, (4412), 3000 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 3001 states and 4412 transitions. [2022-10-16 15:51:45,378 INFO L78 Accepts]: Start accepts. Automaton has 3001 states and 4412 transitions. Word has length 123 [2022-10-16 15:51:45,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:45,379 INFO L495 AbstractCegarLoop]: Abstraction has 3001 states and 4412 transitions. [2022-10-16 15:51:45,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 4412 transitions. [2022-10-16 15:51:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:51:45,381 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:45,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:45,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:51:45,381 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:45,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash -988613926, now seen corresponding path program 1 times [2022-10-16 15:51:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:45,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556883806] [2022-10-16 15:51:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:45,564 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 15:51:45,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:45,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556883806] [2022-10-16 15:51:45,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556883806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:45,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:45,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073227734] [2022-10-16 15:51:45,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:45,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:45,567 INFO L87 Difference]: Start difference. First operand 3001 states and 4412 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 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 15:51:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:46,614 INFO L93 Difference]: Finished difference Result 4322 states and 6572 transitions. [2022-10-16 15:51:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:46,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 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 125 [2022-10-16 15:51:46,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:46,637 INFO L225 Difference]: With dead ends: 4322 [2022-10-16 15:51:46,637 INFO L226 Difference]: Without dead ends: 4316 [2022-10-16 15:51:46,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:46,640 INFO L413 NwaCegarLoop]: 1660 mSDtfsCounter, 1459 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:46,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 2128 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:51:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2022-10-16 15:51:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 4301. [2022-10-16 15:51:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 4016 states have (on average 1.6292330677290836) internal successors, (6543), 4300 states have internal predecessors, (6543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6543 transitions. [2022-10-16 15:51:47,024 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 6543 transitions. Word has length 125 [2022-10-16 15:51:47,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:47,025 INFO L495 AbstractCegarLoop]: Abstraction has 4301 states and 6543 transitions. [2022-10-16 15:51:47,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 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 15:51:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 6543 transitions. [2022-10-16 15:51:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:51:47,027 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:47,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:47,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:51:47,028 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:47,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash -582260154, now seen corresponding path program 1 times [2022-10-16 15:51:47,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:47,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674114842] [2022-10-16 15:51:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:47,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:47,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:47,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674114842] [2022-10-16 15:51:47,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674114842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:47,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:47,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:51:47,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284120063] [2022-10-16 15:51:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:47,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:51:47,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:47,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:51:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:47,293 INFO L87 Difference]: Start difference. First operand 4301 states and 6543 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:48,574 INFO L93 Difference]: Finished difference Result 7108 states and 11139 transitions. [2022-10-16 15:51:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:51:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:51:48,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:48,621 INFO L225 Difference]: With dead ends: 7108 [2022-10-16 15:51:48,622 INFO L226 Difference]: Without dead ends: 7102 [2022-10-16 15:51:48,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:51:48,625 INFO L413 NwaCegarLoop]: 2124 mSDtfsCounter, 1185 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:48,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 2723 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:51:48,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7102 states. [2022-10-16 15:51:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7102 to 7059. [2022-10-16 15:51:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 6779 states have (on average 1.6379997049712347) internal successors, (11104), 7058 states have internal predecessors, (11104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 11104 transitions. [2022-10-16 15:51:49,325 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 11104 transitions. Word has length 126 [2022-10-16 15:51:49,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:49,326 INFO L495 AbstractCegarLoop]: Abstraction has 7059 states and 11104 transitions. [2022-10-16 15:51:49,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:49,327 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 11104 transitions. [2022-10-16 15:51:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:51:49,329 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:49,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:49,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:51:49,329 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:49,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1206244056, now seen corresponding path program 1 times [2022-10-16 15:51:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:49,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359472647] [2022-10-16 15:51:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:49,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:49,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359472647] [2022-10-16 15:51:49,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359472647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:49,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:49,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126506931] [2022-10-16 15:51:49,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:49,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:49,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:49,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:49,501 INFO L87 Difference]: Start difference. First operand 7059 states and 11104 transitions. Second operand has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:50,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:50,898 INFO L93 Difference]: Finished difference Result 9031 states and 14356 transitions. [2022-10-16 15:51:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:51:50,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 15:51:50,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:50,929 INFO L225 Difference]: With dead ends: 9031 [2022-10-16 15:51:50,929 INFO L226 Difference]: Without dead ends: 9026 [2022-10-16 15:51:50,934 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 15:51:50,935 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 2165 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 3276 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:50,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 3276 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 15:51:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2022-10-16 15:51:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 7054. [2022-10-16 15:51:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 6779 states have (on average 1.637262133057973) internal successors, (11099), 7053 states have internal predecessors, (11099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:51,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 11099 transitions. [2022-10-16 15:51:51,701 INFO L78 Accepts]: Start accepts. Automaton has 7054 states and 11099 transitions. Word has length 128 [2022-10-16 15:51:51,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:51,702 INFO L495 AbstractCegarLoop]: Abstraction has 7054 states and 11099 transitions. [2022-10-16 15:51:51,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.666666666666664) internal successors, (128), 4 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7054 states and 11099 transitions. [2022-10-16 15:51:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:51:51,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:51,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:51,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:51:51,704 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:51,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:51,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1261140415, now seen corresponding path program 1 times [2022-10-16 15:51:51,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:51,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649857290] [2022-10-16 15:51:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:51,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:51,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:51,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649857290] [2022-10-16 15:51:51,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649857290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:51,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:51,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:51,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320106674] [2022-10-16 15:51:51,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:51,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:51,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:51,935 INFO L87 Difference]: Start difference. First operand 7054 states and 11099 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:53,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:53,223 INFO L93 Difference]: Finished difference Result 9025 states and 14351 transitions. [2022-10-16 15:51:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:51:53,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:51:53,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:53,252 INFO L225 Difference]: With dead ends: 9025 [2022-10-16 15:51:53,252 INFO L226 Difference]: Without dead ends: 9015 [2022-10-16 15:51:53,257 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 15:51:53,258 INFO L413 NwaCegarLoop]: 1482 mSDtfsCounter, 3440 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:53,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 2439 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:51:53,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9015 states. [2022-10-16 15:51:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9015 to 8968. [2022-10-16 15:51:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8968 states, 8702 states have (on average 1.6437600551597333) internal successors, (14304), 8967 states have internal predecessors, (14304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8968 states to 8968 states and 14304 transitions. [2022-10-16 15:51:54,073 INFO L78 Accepts]: Start accepts. Automaton has 8968 states and 14304 transitions. Word has length 129 [2022-10-16 15:51:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:54,074 INFO L495 AbstractCegarLoop]: Abstraction has 8968 states and 14304 transitions. [2022-10-16 15:51:54,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8968 states and 14304 transitions. [2022-10-16 15:51:54,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:51:54,076 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:54,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:54,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:51:54,076 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash 775177025, now seen corresponding path program 1 times [2022-10-16 15:51:54,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:54,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925053048] [2022-10-16 15:51:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:54,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:54,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:54,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925053048] [2022-10-16 15:51:54,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925053048] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:54,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:54,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:54,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347576147] [2022-10-16 15:51:54,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:54,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:54,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:54,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:54,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:54,289 INFO L87 Difference]: Start difference. First operand 8968 states and 14304 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:55,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:55,668 INFO L93 Difference]: Finished difference Result 12863 states and 20778 transitions. [2022-10-16 15:51:55,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:51:55,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 15:51:55,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:55,703 INFO L225 Difference]: With dead ends: 12863 [2022-10-16 15:51:55,704 INFO L226 Difference]: Without dead ends: 12858 [2022-10-16 15:51:55,709 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 15:51:55,710 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 2252 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:55,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 3399 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:51:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12858 states. [2022-10-16 15:51:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12858 to 8963. [2022-10-16 15:51:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8963 states, 8702 states have (on average 1.6431854746035395) internal successors, (14299), 8962 states have internal predecessors, (14299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8963 states to 8963 states and 14299 transitions. [2022-10-16 15:51:56,470 INFO L78 Accepts]: Start accepts. Automaton has 8963 states and 14299 transitions. Word has length 131 [2022-10-16 15:51:56,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:56,470 INFO L495 AbstractCegarLoop]: Abstraction has 8963 states and 14299 transitions. [2022-10-16 15:51:56,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 8963 states and 14299 transitions. [2022-10-16 15:51:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:51:56,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:56,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:56,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:51:56,473 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:56,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1739315507, now seen corresponding path program 1 times [2022-10-16 15:51:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:56,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543690722] [2022-10-16 15:51:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:56,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:56,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:56,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543690722] [2022-10-16 15:51:56,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543690722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:56,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:56,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:56,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931935572] [2022-10-16 15:51:56,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:56,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:56,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:56,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:56,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:56,631 INFO L87 Difference]: Start difference. First operand 8963 states and 14299 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:58,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:51:58,209 INFO L93 Difference]: Finished difference Result 14613 states and 23673 transitions. [2022-10-16 15:51:58,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:51:58,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:51:58,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:51:58,239 INFO L225 Difference]: With dead ends: 14613 [2022-10-16 15:51:58,240 INFO L226 Difference]: Without dead ends: 14603 [2022-10-16 15:51:58,246 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 15:51:58,247 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 3443 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 2600 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:51:58,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 2600 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:51:58,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14603 states. [2022-10-16 15:51:59,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14603 to 14528. [2022-10-16 15:51:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14528 states, 14276 states have (on average 1.6507425049033342) internal successors, (23566), 14527 states have internal predecessors, (23566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14528 states to 14528 states and 23566 transitions. [2022-10-16 15:51:59,482 INFO L78 Accepts]: Start accepts. Automaton has 14528 states and 23566 transitions. Word has length 132 [2022-10-16 15:51:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:51:59,483 INFO L495 AbstractCegarLoop]: Abstraction has 14528 states and 23566 transitions. [2022-10-16 15:51:59,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:51:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14528 states and 23566 transitions. [2022-10-16 15:51:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:51:59,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:51:59,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:51:59,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:51:59,485 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:51:59,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:51:59,486 INFO L85 PathProgramCache]: Analyzing trace with hash -739908177, now seen corresponding path program 1 times [2022-10-16 15:51:59,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:51:59,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306540159] [2022-10-16 15:51:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:51:59,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:51:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:51:59,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:51:59,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:51:59,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306540159] [2022-10-16 15:51:59,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306540159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:51:59,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:51:59,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:51:59,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96946798] [2022-10-16 15:51:59,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:51:59,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:51:59,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:51:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:51:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:51:59,642 INFO L87 Difference]: Start difference. First operand 14528 states and 23566 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:01,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:01,697 INFO L93 Difference]: Finished difference Result 26515 states and 43464 transitions. [2022-10-16 15:52:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:01,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:52:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:01,751 INFO L225 Difference]: With dead ends: 26515 [2022-10-16 15:52:01,751 INFO L226 Difference]: Without dead ends: 26510 [2022-10-16 15:52:01,763 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 15:52:01,764 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 2445 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:01,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 3414 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:01,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26510 states. [2022-10-16 15:52:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26510 to 14523. [2022-10-16 15:52:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14523 states, 14276 states have (on average 1.6503922667413842) internal successors, (23561), 14522 states have internal predecessors, (23561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14523 states to 14523 states and 23561 transitions. [2022-10-16 15:52:03,458 INFO L78 Accepts]: Start accepts. Automaton has 14523 states and 23561 transitions. Word has length 134 [2022-10-16 15:52:03,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:03,459 INFO L495 AbstractCegarLoop]: Abstraction has 14523 states and 23561 transitions. [2022-10-16 15:52:03,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 14523 states and 23561 transitions. [2022-10-16 15:52:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 15:52:03,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:03,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:03,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:52:03,461 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:03,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:03,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1462316506, now seen corresponding path program 1 times [2022-10-16 15:52:03,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:03,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244862828] [2022-10-16 15:52:03,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:03,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:03,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:03,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244862828] [2022-10-16 15:52:03,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244862828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:03,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:03,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:03,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659920732] [2022-10-16 15:52:03,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:03,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:03,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:03,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:03,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:03,623 INFO L87 Difference]: Start difference. First operand 14523 states and 23561 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:06,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:06,149 INFO L93 Difference]: Finished difference Result 27614 states and 45261 transitions. [2022-10-16 15:52:06,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:52:06,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 15:52:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:06,201 INFO L225 Difference]: With dead ends: 27614 [2022-10-16 15:52:06,201 INFO L226 Difference]: Without dead ends: 27604 [2022-10-16 15:52:06,212 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 15:52:06,213 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 3484 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3484 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:06,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3484 Valid, 2731 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27604 states. [2022-10-16 15:52:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27604 to 27469. [2022-10-16 15:52:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27469 states, 27231 states have (on average 1.6533362711615438) internal successors, (45022), 27468 states have internal predecessors, (45022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27469 states to 27469 states and 45022 transitions. [2022-10-16 15:52:09,207 INFO L78 Accepts]: Start accepts. Automaton has 27469 states and 45022 transitions. Word has length 135 [2022-10-16 15:52:09,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:09,207 INFO L495 AbstractCegarLoop]: Abstraction has 27469 states and 45022 transitions. [2022-10-16 15:52:09,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 27469 states and 45022 transitions. [2022-10-16 15:52:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-16 15:52:09,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:09,210 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:09,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:52:09,210 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:09,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:09,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1225335254, now seen corresponding path program 1 times [2022-10-16 15:52:09,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:09,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966101455] [2022-10-16 15:52:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:09,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:09,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:09,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966101455] [2022-10-16 15:52:09,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966101455] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:09,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:09,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:09,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436588758] [2022-10-16 15:52:09,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:09,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:09,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:09,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:09,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:09,376 INFO L87 Difference]: Start difference. First operand 27469 states and 45022 transitions. Second operand has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:13,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:13,262 INFO L93 Difference]: Finished difference Result 41167 states and 67916 transitions. [2022-10-16 15:52:13,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:52:13,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 15:52:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:13,322 INFO L225 Difference]: With dead ends: 41167 [2022-10-16 15:52:13,323 INFO L226 Difference]: Without dead ends: 41162 [2022-10-16 15:52:13,331 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 15:52:13,332 INFO L413 NwaCegarLoop]: 2134 mSDtfsCounter, 2000 mSDsluCounter, 2141 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:13,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 4275 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:13,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41162 states. [2022-10-16 15:52:16,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41162 to 27464. [2022-10-16 15:52:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27464 states, 27231 states have (on average 1.6531526568983879) internal successors, (45017), 27463 states have internal predecessors, (45017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27464 states to 27464 states and 45017 transitions. [2022-10-16 15:52:16,276 INFO L78 Accepts]: Start accepts. Automaton has 27464 states and 45017 transitions. Word has length 147 [2022-10-16 15:52:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:16,277 INFO L495 AbstractCegarLoop]: Abstraction has 27464 states and 45017 transitions. [2022-10-16 15:52:16,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.0) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 27464 states and 45017 transitions. [2022-10-16 15:52:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 15:52:16,279 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:16,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:16,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:52:16,279 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:16,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:16,280 INFO L85 PathProgramCache]: Analyzing trace with hash -669312254, now seen corresponding path program 1 times [2022-10-16 15:52:16,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:16,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452914674] [2022-10-16 15:52:16,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:16,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:16,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:16,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452914674] [2022-10-16 15:52:16,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452914674] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:16,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:16,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:52:16,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148764467] [2022-10-16 15:52:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:16,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:52:16,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:16,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:52:16,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:52:16,461 INFO L87 Difference]: Start difference. First operand 27464 states and 45017 transitions. Second operand has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 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 15:52:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:21,622 INFO L93 Difference]: Finished difference Result 52408 states and 86355 transitions. [2022-10-16 15:52:21,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:52:21,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 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 15:52:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:21,702 INFO L225 Difference]: With dead ends: 52408 [2022-10-16 15:52:21,702 INFO L226 Difference]: Without dead ends: 52395 [2022-10-16 15:52:21,718 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 15:52:21,719 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 3417 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:21,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3417 Valid, 2723 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:52:21,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52395 states. [2022-10-16 15:52:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52395 to 52363. [2022-10-16 15:52:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52363 states, 52141 states have (on average 1.6538232868567921) internal successors, (86232), 52362 states have internal predecessors, (86232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52363 states to 52363 states and 86232 transitions. [2022-10-16 15:52:27,667 INFO L78 Accepts]: Start accepts. Automaton has 52363 states and 86232 transitions. Word has length 148 [2022-10-16 15:52:27,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:27,667 INFO L495 AbstractCegarLoop]: Abstraction has 52363 states and 86232 transitions. [2022-10-16 15:52:27,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 49.333333333333336) internal successors, (148), 4 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 15:52:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 52363 states and 86232 transitions. [2022-10-16 15:52:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 15:52:27,669 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:27,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:27,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:52:27,670 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:27,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:27,673 INFO L85 PathProgramCache]: Analyzing trace with hash 726157144, now seen corresponding path program 1 times [2022-10-16 15:52:27,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:27,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533822354] [2022-10-16 15:52:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:27,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:27,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:27,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533822354] [2022-10-16 15:52:27,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533822354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:27,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:27,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:52:27,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631443201] [2022-10-16 15:52:27,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:27,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:52:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:27,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:52:27,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:52:27,959 INFO L87 Difference]: Start difference. First operand 52363 states and 86232 transitions. Second operand has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:35,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:35,028 INFO L93 Difference]: Finished difference Result 66059 states and 109062 transitions. [2022-10-16 15:52:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:52:35,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2022-10-16 15:52:35,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:35,138 INFO L225 Difference]: With dead ends: 66059 [2022-10-16 15:52:35,138 INFO L226 Difference]: Without dead ends: 66054 [2022-10-16 15:52:35,153 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 15:52:35,153 INFO L413 NwaCegarLoop]: 2115 mSDtfsCounter, 2716 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 5507 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:35,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 5507 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:52:35,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66054 states. [2022-10-16 15:52:40,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66054 to 52358. [2022-10-16 15:52:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52358 states, 52141 states have (on average 1.6537273930304368) internal successors, (86227), 52357 states have internal predecessors, (86227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52358 states to 52358 states and 86227 transitions. [2022-10-16 15:52:41,013 INFO L78 Accepts]: Start accepts. Automaton has 52358 states and 86227 transitions. Word has length 149 [2022-10-16 15:52:41,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:41,014 INFO L495 AbstractCegarLoop]: Abstraction has 52358 states and 86227 transitions. [2022-10-16 15:52:41,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.25) internal successors, (149), 5 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 52358 states and 86227 transitions. [2022-10-16 15:52:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 15:52:41,015 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:41,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:41,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:52:41,015 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:41,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1036035524, now seen corresponding path program 1 times [2022-10-16 15:52:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:41,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794656246] [2022-10-16 15:52:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:41,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:41,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:41,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794656246] [2022-10-16 15:52:41,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794656246] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:41,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:41,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:52:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532168] [2022-10-16 15:52:41,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:52:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:52:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:52:41,201 INFO L87 Difference]: Start difference. First operand 52358 states and 86227 transitions. Second operand has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:52:49,507 INFO L93 Difference]: Finished difference Result 76368 states and 125869 transitions. [2022-10-16 15:52:49,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:52:49,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2022-10-16 15:52:49,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:52:49,650 INFO L225 Difference]: With dead ends: 76368 [2022-10-16 15:52:49,650 INFO L226 Difference]: Without dead ends: 76357 [2022-10-16 15:52:49,672 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 15:52:49,673 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 5269 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5269 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 15:52:49,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5269 Valid, 3531 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 15:52:49,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76357 states. [2022-10-16 15:52:58,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76357 to 76295. [2022-10-16 15:52:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76295 states, 76087 states have (on average 1.6526870556073967) internal successors, (125748), 76294 states have internal predecessors, (125748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76295 states to 76295 states and 125748 transitions. [2022-10-16 15:52:58,345 INFO L78 Accepts]: Start accepts. Automaton has 76295 states and 125748 transitions. Word has length 150 [2022-10-16 15:52:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:52:58,345 INFO L495 AbstractCegarLoop]: Abstraction has 76295 states and 125748 transitions. [2022-10-16 15:52:58,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 37.5) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:52:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 76295 states and 125748 transitions. [2022-10-16 15:52:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 15:52:58,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:52:58,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:52:58,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:52:58,347 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:52:58,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:52:58,348 INFO L85 PathProgramCache]: Analyzing trace with hash 2052330714, now seen corresponding path program 1 times [2022-10-16 15:52:58,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:52:58,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423642056] [2022-10-16 15:52:58,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:52:58,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:52:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:52:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:52:58,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:52:58,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423642056] [2022-10-16 15:52:58,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423642056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:52:58,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:52:58,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:52:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505609746] [2022-10-16 15:52:58,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:52:58,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:52:58,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:52:58,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:52:58,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:52:58,826 INFO L87 Difference]: Start difference. First operand 76295 states and 125748 transitions. Second operand has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:21,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:53:21,035 INFO L93 Difference]: Finished difference Result 261371 states and 432984 transitions. [2022-10-16 15:53:21,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 15:53:21,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 15:53:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:53:21,646 INFO L225 Difference]: With dead ends: 261371 [2022-10-16 15:53:21,647 INFO L226 Difference]: Without dead ends: 186356 [2022-10-16 15:53:21,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-10-16 15:53:21,779 INFO L413 NwaCegarLoop]: 2364 mSDtfsCounter, 4022 mSDsluCounter, 5399 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 7763 SdHoareTripleChecker+Invalid, 1545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 15:53:21,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4022 Valid, 7763 Invalid, 1545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 15:53:21,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186356 states. [2022-10-16 15:53:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186356 to 132363. [2022-10-16 15:53:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132363 states, 132160 states have (on average 1.6528980024213076) internal successors, (218447), 132362 states have internal predecessors, (218447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:38,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132363 states to 132363 states and 218447 transitions. [2022-10-16 15:53:38,238 INFO L78 Accepts]: Start accepts. Automaton has 132363 states and 218447 transitions. Word has length 151 [2022-10-16 15:53:38,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:53:38,238 INFO L495 AbstractCegarLoop]: Abstraction has 132363 states and 218447 transitions. [2022-10-16 15:53:38,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.2) internal successors, (151), 6 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:53:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 132363 states and 218447 transitions. [2022-10-16 15:53:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 15:53:38,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:53:38,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:53:38,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:53:38,240 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 15:53:38,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:53:38,240 INFO L85 PathProgramCache]: Analyzing trace with hash -802256762, now seen corresponding path program 1 times [2022-10-16 15:53:38,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:53:38,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275668375] [2022-10-16 15:53:38,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:53:38,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:53:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:53:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:53:38,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:53:38,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275668375] [2022-10-16 15:53:38,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275668375] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:53:38,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:53:38,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:53:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537332206] [2022-10-16 15:53:38,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:53:38,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:53:38,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:53:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:53:38,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:53:38,434 INFO L87 Difference]: Start difference. First operand 132363 states and 218447 transitions. Second operand has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:54:01,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:54:01,921 INFO L93 Difference]: Finished difference Result 193241 states and 319231 transitions. [2022-10-16 15:54:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:54:01,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 30.4) internal successors, (152), 6 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 15:54:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:54:02,597 INFO L225 Difference]: With dead ends: 193241 [2022-10-16 15:54:02,597 INFO L226 Difference]: Without dead ends: 193229 [2022-10-16 15:54:02,654 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 15:54:02,661 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 7279 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7279 SdHoareTripleChecker+Valid, 5188 SdHoareTripleChecker+Invalid, 988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 15:54:02,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7279 Valid, 5188 Invalid, 988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 15:54:02,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193229 states.