/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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:24:10,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:24:10,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:24:10,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:24:10,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:24:10,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:24:10,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:24:10,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:24:10,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:24:10,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:24:10,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:24:10,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-15 22:24:10,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:24:10,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:24:10,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:24:10,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:24:10,951 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:24:10,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:24:10,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:24:10,952 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:24:10,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:24:10,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:24:10,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:24:10,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:24:10,955 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:24:10,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:24:10,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:24:10,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:24:10,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:24:10,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:24:10,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:24:10,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:24:10,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:24:10,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:24:10,957 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:24:10,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:24:10,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:24:10,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:24:10,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:24:10,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:24:10,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:24:10,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:24:10,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:10,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:24:10,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:24:10,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:24:10,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:24:10,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:24:10,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:24:10,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:24:11,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:24:11,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:24:11,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:24:11,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:24:11,343 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:24:11,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:24:11,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b69e93bc/43d504a902fe409ab88ccffc43f70218/FLAGf6330193a [2022-10-15 22:24:12,249 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:24:12,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:24:12,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b69e93bc/43d504a902fe409ab88ccffc43f70218/FLAGf6330193a [2022-10-15 22:24:12,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b69e93bc/43d504a902fe409ab88ccffc43f70218 [2022-10-15 22:24:12,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:24:12,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:24:12,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:12,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:24:12,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:24:12,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:12" (1/1) ... [2022-10-15 22:24:12,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fdad29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:12, skipping insertion in model container [2022-10-15 22:24:12,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:24:12" (1/1) ... [2022-10-15 22:24:12,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:24:12,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:24:13,304 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34347,34360] [2022-10-15 22:24:13,328 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35237,35250] [2022-10-15 22:24:13,371 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37067,37080] [2022-10-15 22:24:13,398 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37957,37970] [2022-10-15 22:24:13,451 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40730,40743] [2022-10-15 22:24:13,472 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41623,41636] [2022-10-15 22:24:13,508 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[43456,43469] [2022-10-15 22:24:13,539 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44733,44746] [2022-10-15 22:24:13,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60386,60399] [2022-10-15 22:24:13,755 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61279,61292] [2022-10-15 22:24:13,786 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63112,63125] [2022-10-15 22:24:13,853 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67569,67582] [2022-10-15 22:24:14,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:14,016 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:24:14,350 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34347,34360] [2022-10-15 22:24:14,369 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35237,35250] [2022-10-15 22:24:14,398 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37067,37080] [2022-10-15 22:24:14,416 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37957,37970] [2022-10-15 22:24:14,450 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40730,40743] [2022-10-15 22:24:14,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[41623,41636] [2022-10-15 22:24:14,500 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[43456,43469] [2022-10-15 22:24:14,525 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44733,44746] [2022-10-15 22:24:14,691 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60386,60399] [2022-10-15 22:24:14,710 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61279,61292] [2022-10-15 22:24:14,741 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63112,63125] [2022-10-15 22:24:14,819 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_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67569,67582] [2022-10-15 22:24:14,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:24:14,982 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:24:14,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14 WrapperNode [2022-10-15 22:24:14,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:24:14,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:14,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:24:14,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:24:14,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,223 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4543 [2022-10-15 22:24:15,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:24:15,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:24:15,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:24:15,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:24:15,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:24:15,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:24:15,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:24:15,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:24:15,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (1/1) ... [2022-10-15 22:24:15,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:24:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:24:15,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:24:15,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:24:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:24:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:24:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:24:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:24:15,807 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:24:15,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:24:19,211 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:24:19,232 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:24:19,232 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:24:19,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:19 BoogieIcfgContainer [2022-10-15 22:24:19,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:24:19,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:24:19,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:24:19,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:24:19,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:24:12" (1/3) ... [2022-10-15 22:24:19,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe54a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:19, skipping insertion in model container [2022-10-15 22:24:19,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:24:14" (2/3) ... [2022-10-15 22:24:19,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe54a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:24:19, skipping insertion in model container [2022-10-15 22:24:19,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:24:19" (3/3) ... [2022-10-15 22:24:19,248 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:24:19,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:24:19,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 436 error locations. [2022-10-15 22:24:19,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:24:19,384 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;@6d4d7c63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:24:19,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 436 error locations. [2022-10-15 22:24:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 1836 states, 1399 states have (on average 1.875625446747677) internal successors, (2624), 1835 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-15 22:24:19,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:19,435 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] [2022-10-15 22:24:19,436 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)] === [2022-10-15 22:24:19,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:19,442 INFO L85 PathProgramCache]: Analyzing trace with hash -416014403, now seen corresponding path program 1 times [2022-10-15 22:24:19,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:19,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13413691] [2022-10-15 22:24:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:19,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:20,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:20,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13413691] [2022-10-15 22:24:20,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13413691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:20,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:20,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:20,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920157740] [2022-10-15 22:24:20,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:20,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:20,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:20,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:20,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:20,491 INFO L87 Difference]: Start difference. First operand has 1836 states, 1399 states have (on average 1.875625446747677) internal successors, (2624), 1835 states have internal predecessors, (2624), 0 states have call successors, (0), 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 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) [2022-10-15 22:24:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:21,494 INFO L93 Difference]: Finished difference Result 2071 states and 2974 transitions. [2022-10-15 22:24:21,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:21,497 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 [2022-10-15 22:24:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:21,530 INFO L225 Difference]: With dead ends: 2071 [2022-10-15 22:24:21,530 INFO L226 Difference]: Without dead ends: 1966 [2022-10-15 22:24:21,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:21,541 INFO L413 NwaCegarLoop]: 2169 mSDtfsCounter, 1855 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:21,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 2789 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:24:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2022-10-15 22:24:21,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1934. [2022-10-15 22:24:21,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1569 states have (on average 1.650095602294455) internal successors, (2589), 1933 states have internal predecessors, (2589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2589 transitions. [2022-10-15 22:24:21,719 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2589 transitions. Word has length 122 [2022-10-15 22:24:21,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:21,721 INFO L495 AbstractCegarLoop]: Abstraction has 1934 states and 2589 transitions. [2022-10-15 22:24:21,727 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) [2022-10-15 22:24:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2589 transitions. [2022-10-15 22:24:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-15 22:24:21,739 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:21,740 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] [2022-10-15 22:24:21,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:24:21,740 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)] === [2022-10-15 22:24:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash -11544092, now seen corresponding path program 1 times [2022-10-15 22:24:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326375602] [2022-10-15 22:24:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:22,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:22,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326375602] [2022-10-15 22:24:22,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326375602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:22,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:22,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:22,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577117342] [2022-10-15 22:24:22,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:22,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:22,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:22,220 INFO L87 Difference]: Start difference. First operand 1934 states and 2589 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) [2022-10-15 22:24:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:22,796 INFO L93 Difference]: Finished difference Result 1969 states and 2589 transitions. [2022-10-15 22:24:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:22,796 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 [2022-10-15 22:24:22,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:22,808 INFO L225 Difference]: With dead ends: 1969 [2022-10-15 22:24:22,808 INFO L226 Difference]: Without dead ends: 1949 [2022-10-15 22:24:22,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:22,811 INFO L413 NwaCegarLoop]: 1923 mSDtfsCounter, 1634 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 2493 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 [2022-10-15 22:24:22,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 2493 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:22,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2022-10-15 22:24:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1917. [2022-10-15 22:24:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1917 states, 1569 states have (on average 1.637348629700446) internal successors, (2569), 1916 states have internal predecessors, (2569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2569 transitions. [2022-10-15 22:24:22,896 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2569 transitions. Word has length 123 [2022-10-15 22:24:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:22,897 INFO L495 AbstractCegarLoop]: Abstraction has 1917 states and 2569 transitions. [2022-10-15 22:24:22,897 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) [2022-10-15 22:24:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2569 transitions. [2022-10-15 22:24:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-15 22:24:22,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:22,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:22,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:24:22,900 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)] === [2022-10-15 22:24:22,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:22,901 INFO L85 PathProgramCache]: Analyzing trace with hash -357866337, now seen corresponding path program 1 times [2022-10-15 22:24:22,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:22,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803022614] [2022-10-15 22:24:22,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:22,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:23,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:23,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:23,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803022614] [2022-10-15 22:24:23,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803022614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:23,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:23,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:23,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030312857] [2022-10-15 22:24:23,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:23,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:23,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:23,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:23,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:23,196 INFO L87 Difference]: Start difference. First operand 1917 states and 2569 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:23,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:23,857 INFO L93 Difference]: Finished difference Result 2140 states and 2900 transitions. [2022-10-15 22:24:23,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:23,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-15 22:24:23,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:23,870 INFO L225 Difference]: With dead ends: 2140 [2022-10-15 22:24:23,870 INFO L226 Difference]: Without dead ends: 2123 [2022-10-15 22:24:23,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:23,873 INFO L413 NwaCegarLoop]: 1925 mSDtfsCounter, 1508 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 2535 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:23,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 2535 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-10-15 22:24:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2097. [2022-10-15 22:24:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2097 states, 1763 states have (on average 1.6352807714123654) internal successors, (2883), 2096 states have internal predecessors, (2883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 2097 states and 2883 transitions. [2022-10-15 22:24:23,980 INFO L78 Accepts]: Start accepts. Automaton has 2097 states and 2883 transitions. Word has length 124 [2022-10-15 22:24:23,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:23,981 INFO L495 AbstractCegarLoop]: Abstraction has 2097 states and 2883 transitions. [2022-10-15 22:24:23,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2883 transitions. [2022-10-15 22:24:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-15 22:24:23,983 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:23,984 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] [2022-10-15 22:24:23,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:24:23,984 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)] === [2022-10-15 22:24:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:23,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1791045958, now seen corresponding path program 1 times [2022-10-15 22:24:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:23,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816151961] [2022-10-15 22:24:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:24,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:24,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816151961] [2022-10-15 22:24:24,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816151961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:24,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:24,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:24,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182633066] [2022-10-15 22:24:24,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:24,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:24,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:24,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:24,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:24,311 INFO L87 Difference]: Start difference. First operand 2097 states and 2883 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) [2022-10-15 22:24:25,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:25,048 INFO L93 Difference]: Finished difference Result 2126 states and 2883 transitions. [2022-10-15 22:24:25,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:25,049 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 [2022-10-15 22:24:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:25,060 INFO L225 Difference]: With dead ends: 2126 [2022-10-15 22:24:25,061 INFO L226 Difference]: Without dead ends: 2109 [2022-10-15 22:24:25,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:25,063 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 1490 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:25,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 2538 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:25,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2022-10-15 22:24:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2083. [2022-10-15 22:24:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1763 states have (on average 1.6256381168462848) internal successors, (2866), 2082 states have internal predecessors, (2866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2866 transitions. [2022-10-15 22:24:25,184 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2866 transitions. Word has length 125 [2022-10-15 22:24:25,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:25,184 INFO L495 AbstractCegarLoop]: Abstraction has 2083 states and 2866 transitions. [2022-10-15 22:24:25,185 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) [2022-10-15 22:24:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2866 transitions. [2022-10-15 22:24:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-15 22:24:25,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:25,187 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] [2022-10-15 22:24:25,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:24:25,188 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)] === [2022-10-15 22:24:25,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:25,188 INFO L85 PathProgramCache]: Analyzing trace with hash -312149631, now seen corresponding path program 1 times [2022-10-15 22:24:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:25,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585216802] [2022-10-15 22:24:25,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:25,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:25,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585216802] [2022-10-15 22:24:25,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585216802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:25,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:25,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:25,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400083120] [2022-10-15 22:24:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:25,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:25,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:25,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:25,456 INFO L87 Difference]: Start difference. First operand 2083 states and 2866 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) [2022-10-15 22:24:26,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:26,211 INFO L93 Difference]: Finished difference Result 2538 states and 3607 transitions. [2022-10-15 22:24:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:26,213 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 [2022-10-15 22:24:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:26,241 INFO L225 Difference]: With dead ends: 2538 [2022-10-15 22:24:26,242 INFO L226 Difference]: Without dead ends: 2519 [2022-10-15 22:24:26,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:26,252 INFO L413 NwaCegarLoop]: 1787 mSDtfsCounter, 1673 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:26,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1673 Valid, 2227 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-10-15 22:24:26,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2515. [2022-10-15 22:24:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2213 states have (on average 1.6186172616357886) internal successors, (3582), 2514 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 3582 transitions. [2022-10-15 22:24:26,418 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 3582 transitions. Word has length 126 [2022-10-15 22:24:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:26,419 INFO L495 AbstractCegarLoop]: Abstraction has 2515 states and 3582 transitions. [2022-10-15 22:24:26,419 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) [2022-10-15 22:24:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3582 transitions. [2022-10-15 22:24:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-15 22:24:26,421 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:26,421 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] [2022-10-15 22:24:26,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:24:26,422 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)] === [2022-10-15 22:24:26,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:26,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1086703448, now seen corresponding path program 1 times [2022-10-15 22:24:26,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:26,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920996475] [2022-10-15 22:24:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:26,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:26,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:26,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920996475] [2022-10-15 22:24:26,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920996475] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:26,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:26,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:24:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384633883] [2022-10-15 22:24:26,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:26,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:24:26,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:26,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:24:26,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:26,727 INFO L87 Difference]: Start difference. First operand 2515 states and 3582 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:27,558 INFO L93 Difference]: Finished difference Result 3299 states and 4840 transitions. [2022-10-15 22:24:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:24:27,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-15 22:24:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:27,578 INFO L225 Difference]: With dead ends: 3299 [2022-10-15 22:24:27,578 INFO L226 Difference]: Without dead ends: 3284 [2022-10-15 22:24:27,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:24:27,581 INFO L413 NwaCegarLoop]: 1912 mSDtfsCounter, 1527 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1527 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:27,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1527 Valid, 2396 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:27,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2022-10-15 22:24:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3252. [2022-10-15 22:24:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2962 states have (on average 1.62592842673869) internal successors, (4816), 3251 states have internal predecessors, (4816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4816 transitions. [2022-10-15 22:24:27,859 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4816 transitions. Word has length 127 [2022-10-15 22:24:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:27,859 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 4816 transitions. [2022-10-15 22:24:27,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:27,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4816 transitions. [2022-10-15 22:24:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-15 22:24:27,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:27,862 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] [2022-10-15 22:24:27,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:24:27,863 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)] === [2022-10-15 22:24:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:27,863 INFO L85 PathProgramCache]: Analyzing trace with hash -644943830, now seen corresponding path program 1 times [2022-10-15 22:24:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354388720] [2022-10-15 22:24:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:27,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:28,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:28,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354388720] [2022-10-15 22:24:28,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354388720] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:28,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:28,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:28,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606362879] [2022-10-15 22:24:28,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:28,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:28,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:28,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:28,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:28,068 INFO L87 Difference]: Start difference. First operand 3252 states and 4816 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) [2022-10-15 22:24:29,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:29,066 INFO L93 Difference]: Finished difference Result 3905 states and 5861 transitions. [2022-10-15 22:24:29,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:29,067 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 [2022-10-15 22:24:29,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:29,090 INFO L225 Difference]: With dead ends: 3905 [2022-10-15 22:24:29,091 INFO L226 Difference]: Without dead ends: 3900 [2022-10-15 22:24:29,096 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 [2022-10-15 22:24:29,101 INFO L413 NwaCegarLoop]: 1835 mSDtfsCounter, 2327 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 3548 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:29,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 3548 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:24:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states. [2022-10-15 22:24:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 3247. [2022-10-15 22:24:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3247 states, 2962 states have (on average 1.62424037812289) internal successors, (4811), 3246 states have internal predecessors, (4811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 3247 states and 4811 transitions. [2022-10-15 22:24:29,402 INFO L78 Accepts]: Start accepts. Automaton has 3247 states and 4811 transitions. Word has length 129 [2022-10-15 22:24:29,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:29,403 INFO L495 AbstractCegarLoop]: Abstraction has 3247 states and 4811 transitions. [2022-10-15 22:24:29,403 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) [2022-10-15 22:24:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 4811 transitions. [2022-10-15 22:24:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-15 22:24:29,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:29,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:29,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:24:29,406 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)] === [2022-10-15 22:24:29,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:29,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1481578278, now seen corresponding path program 1 times [2022-10-15 22:24:29,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:29,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166715927] [2022-10-15 22:24:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:29,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:29,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:29,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166715927] [2022-10-15 22:24:29,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166715927] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:29,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:29,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:29,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102401265] [2022-10-15 22:24:29,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:29,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:29,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:29,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:29,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:29,627 INFO L87 Difference]: Start difference. First operand 3247 states and 4811 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:30,760 INFO L93 Difference]: Finished difference Result 3899 states and 5856 transitions. [2022-10-15 22:24:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:30,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-15 22:24:30,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:30,783 INFO L225 Difference]: With dead ends: 3899 [2022-10-15 22:24:30,784 INFO L226 Difference]: Without dead ends: 3889 [2022-10-15 22:24:30,785 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 [2022-10-15 22:24:30,786 INFO L413 NwaCegarLoop]: 1616 mSDtfsCounter, 3716 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3716 SdHoareTripleChecker+Valid, 2628 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:30,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3716 Valid, 2628 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:24:30,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2022-10-15 22:24:31,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 3852. [2022-10-15 22:24:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 3576 states have (on average 1.6317114093959733) internal successors, (5835), 3851 states have internal predecessors, (5835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 5835 transitions. [2022-10-15 22:24:31,125 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 5835 transitions. Word has length 130 [2022-10-15 22:24:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:31,125 INFO L495 AbstractCegarLoop]: Abstraction has 3852 states and 5835 transitions. [2022-10-15 22:24:31,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 5835 transitions. [2022-10-15 22:24:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-15 22:24:31,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:31,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:31,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:24:31,129 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)] === [2022-10-15 22:24:31,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:31,129 INFO L85 PathProgramCache]: Analyzing trace with hash -2132400120, now seen corresponding path program 1 times [2022-10-15 22:24:31,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:31,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599637946] [2022-10-15 22:24:31,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:31,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:31,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:31,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:31,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599637946] [2022-10-15 22:24:31,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599637946] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:31,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:31,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:31,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055840220] [2022-10-15 22:24:31,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:31,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:31,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:31,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:31,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:31,355 INFO L87 Difference]: Start difference. First operand 3852 states and 5835 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) [2022-10-15 22:24:32,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:32,459 INFO L93 Difference]: Finished difference Result 5119 states and 7917 transitions. [2022-10-15 22:24:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:32,460 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 [2022-10-15 22:24:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:32,489 INFO L225 Difference]: With dead ends: 5119 [2022-10-15 22:24:32,489 INFO L226 Difference]: Without dead ends: 5114 [2022-10-15 22:24:32,492 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 [2022-10-15 22:24:32,493 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 2357 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:32,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 3483 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:24:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5114 states. [2022-10-15 22:24:32,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5114 to 3847. [2022-10-15 22:24:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3847 states, 3576 states have (on average 1.6303131991051454) internal successors, (5830), 3846 states have internal predecessors, (5830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:32,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 3847 states and 5830 transitions. [2022-10-15 22:24:32,873 INFO L78 Accepts]: Start accepts. Automaton has 3847 states and 5830 transitions. Word has length 132 [2022-10-15 22:24:32,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:32,873 INFO L495 AbstractCegarLoop]: Abstraction has 3847 states and 5830 transitions. [2022-10-15 22:24:32,873 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) [2022-10-15 22:24:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 5830 transitions. [2022-10-15 22:24:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-15 22:24:32,875 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:32,876 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] [2022-10-15 22:24:32,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:24:32,876 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)] === [2022-10-15 22:24:32,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:32,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1679893745, now seen corresponding path program 1 times [2022-10-15 22:24:32,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:32,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175792324] [2022-10-15 22:24:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:32,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:33,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175792324] [2022-10-15 22:24:33,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175792324] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:33,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:33,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029390950] [2022-10-15 22:24:33,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:33,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:33,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:33,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:33,048 INFO L87 Difference]: Start difference. First operand 3847 states and 5830 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:34,192 INFO L93 Difference]: Finished difference Result 5113 states and 7912 transitions. [2022-10-15 22:24:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:34,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-15 22:24:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:34,209 INFO L225 Difference]: With dead ends: 5113 [2022-10-15 22:24:34,209 INFO L226 Difference]: Without dead ends: 5103 [2022-10-15 22:24:34,212 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 [2022-10-15 22:24:34,213 INFO L413 NwaCegarLoop]: 1602 mSDtfsCounter, 3690 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 2595 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:34,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3690 Valid, 2595 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:24:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5103 states. [2022-10-15 22:24:34,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5103 to 5062. [2022-10-15 22:24:34,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5062 states, 4800 states have (on average 1.641875) internal successors, (7881), 5061 states have internal predecessors, (7881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5062 states to 5062 states and 7881 transitions. [2022-10-15 22:24:34,715 INFO L78 Accepts]: Start accepts. Automaton has 5062 states and 7881 transitions. Word has length 133 [2022-10-15 22:24:34,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:34,715 INFO L495 AbstractCegarLoop]: Abstraction has 5062 states and 7881 transitions. [2022-10-15 22:24:34,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 5062 states and 7881 transitions. [2022-10-15 22:24:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-15 22:24:34,717 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:34,718 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] [2022-10-15 22:24:34,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:24:34,718 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)] === [2022-10-15 22:24:34,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:34,719 INFO L85 PathProgramCache]: Analyzing trace with hash 529831569, now seen corresponding path program 1 times [2022-10-15 22:24:34,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:34,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464412109] [2022-10-15 22:24:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:34,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:34,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:34,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:34,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464412109] [2022-10-15 22:24:34,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464412109] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:34,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:34,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:34,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610460231] [2022-10-15 22:24:34,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:34,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:34,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:34,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:34,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:34,891 INFO L87 Difference]: Start difference. First operand 5062 states and 7881 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) [2022-10-15 22:24:36,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:36,001 INFO L93 Difference]: Finished difference Result 7553 states and 12027 transitions. [2022-10-15 22:24:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:36,002 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 [2022-10-15 22:24:36,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:36,024 INFO L225 Difference]: With dead ends: 7553 [2022-10-15 22:24:36,024 INFO L226 Difference]: Without dead ends: 7548 [2022-10-15 22:24:36,028 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 [2022-10-15 22:24:36,029 INFO L413 NwaCegarLoop]: 1893 mSDtfsCounter, 2450 mSDsluCounter, 1691 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 3584 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:36,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 3584 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7548 states. [2022-10-15 22:24:36,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7548 to 5057. [2022-10-15 22:24:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5057 states, 4800 states have (on average 1.6408333333333334) internal successors, (7876), 5056 states have internal predecessors, (7876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 5057 states and 7876 transitions. [2022-10-15 22:24:36,540 INFO L78 Accepts]: Start accepts. Automaton has 5057 states and 7876 transitions. Word has length 135 [2022-10-15 22:24:36,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:36,540 INFO L495 AbstractCegarLoop]: Abstraction has 5057 states and 7876 transitions. [2022-10-15 22:24:36,540 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) [2022-10-15 22:24:36,541 INFO L276 IsEmpty]: Start isEmpty. Operand 5057 states and 7876 transitions. [2022-10-15 22:24:36,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-15 22:24:36,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:36,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:24:36,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:24:36,543 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)] === [2022-10-15 22:24:36,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:36,544 INFO L85 PathProgramCache]: Analyzing trace with hash -755090003, now seen corresponding path program 1 times [2022-10-15 22:24:36,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:36,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558237642] [2022-10-15 22:24:36,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:36,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:36,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:36,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558237642] [2022-10-15 22:24:36,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558237642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:36,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:36,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:36,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897279232] [2022-10-15 22:24:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:36,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:36,723 INFO L87 Difference]: Start difference. First operand 5057 states and 7876 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:37,931 INFO L93 Difference]: Finished difference Result 8094 states and 12931 transitions. [2022-10-15 22:24:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:37,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-15 22:24:37,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:37,958 INFO L225 Difference]: With dead ends: 8094 [2022-10-15 22:24:37,958 INFO L226 Difference]: Without dead ends: 8084 [2022-10-15 22:24:37,963 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 [2022-10-15 22:24:37,964 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 3711 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3711 SdHoareTripleChecker+Valid, 2754 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:37,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3711 Valid, 2754 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:37,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8084 states. [2022-10-15 22:24:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 8032. [2022-10-15 22:24:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8032 states, 7784 states have (on average 1.6539054470709147) internal successors, (12874), 8031 states have internal predecessors, (12874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:38,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8032 states to 8032 states and 12874 transitions. [2022-10-15 22:24:38,792 INFO L78 Accepts]: Start accepts. Automaton has 8032 states and 12874 transitions. Word has length 136 [2022-10-15 22:24:38,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:38,793 INFO L495 AbstractCegarLoop]: Abstraction has 8032 states and 12874 transitions. [2022-10-15 22:24:38,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 8032 states and 12874 transitions. [2022-10-15 22:24:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-15 22:24:38,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:38,796 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] [2022-10-15 22:24:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:24:38,796 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)] === [2022-10-15 22:24:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash 207997583, now seen corresponding path program 1 times [2022-10-15 22:24:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404903045] [2022-10-15 22:24:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:38,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:38,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:38,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404903045] [2022-10-15 22:24:38,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404903045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:38,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:38,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:38,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425856303] [2022-10-15 22:24:38,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:38,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:38,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:38,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:38,997 INFO L87 Difference]: Start difference. First operand 8032 states and 12874 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:40,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:40,750 INFO L93 Difference]: Finished difference Result 14300 states and 23340 transitions. [2022-10-15 22:24:40,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:40,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-15 22:24:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:40,801 INFO L225 Difference]: With dead ends: 14300 [2022-10-15 22:24:40,802 INFO L226 Difference]: Without dead ends: 14295 [2022-10-15 22:24:40,808 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 [2022-10-15 22:24:40,809 INFO L413 NwaCegarLoop]: 1975 mSDtfsCounter, 2655 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:40,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 3595 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:40,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14295 states. [2022-10-15 22:24:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14295 to 8027. [2022-10-15 22:24:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8027 states, 7784 states have (on average 1.6532631038026722) internal successors, (12869), 8026 states have internal predecessors, (12869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8027 states to 8027 states and 12869 transitions. [2022-10-15 22:24:41,559 INFO L78 Accepts]: Start accepts. Automaton has 8027 states and 12869 transitions. Word has length 138 [2022-10-15 22:24:41,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:41,560 INFO L495 AbstractCegarLoop]: Abstraction has 8027 states and 12869 transitions. [2022-10-15 22:24:41,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 8027 states and 12869 transitions. [2022-10-15 22:24:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-15 22:24:41,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:41,562 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] [2022-10-15 22:24:41,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:24:41,563 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)] === [2022-10-15 22:24:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:41,564 INFO L85 PathProgramCache]: Analyzing trace with hash -2142008970, now seen corresponding path program 1 times [2022-10-15 22:24:41,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:41,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113652914] [2022-10-15 22:24:41,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:41,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:41,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:41,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:41,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113652914] [2022-10-15 22:24:41,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113652914] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:41,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:41,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:41,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059030561] [2022-10-15 22:24:41,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:41,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:41,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:41,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:41,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:41,743 INFO L87 Difference]: Start difference. First operand 8027 states and 12869 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:43,348 INFO L93 Difference]: Finished difference Result 14638 states and 23898 transitions. [2022-10-15 22:24:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:43,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-15 22:24:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:43,390 INFO L225 Difference]: With dead ends: 14638 [2022-10-15 22:24:43,390 INFO L226 Difference]: Without dead ends: 14628 [2022-10-15 22:24:43,395 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 [2022-10-15 22:24:43,396 INFO L413 NwaCegarLoop]: 1888 mSDtfsCounter, 3748 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3748 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:43,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3748 Valid, 2881 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:43,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14628 states. [2022-10-15 22:24:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14628 to 14553. [2022-10-15 22:24:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14553 states, 14319 states have (on average 1.6610796843354982) internal successors, (23785), 14552 states have internal predecessors, (23785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14553 states to 14553 states and 23785 transitions. [2022-10-15 22:24:44,991 INFO L78 Accepts]: Start accepts. Automaton has 14553 states and 23785 transitions. Word has length 139 [2022-10-15 22:24:44,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:44,991 INFO L495 AbstractCegarLoop]: Abstraction has 14553 states and 23785 transitions. [2022-10-15 22:24:44,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14553 states and 23785 transitions. [2022-10-15 22:24:44,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-15 22:24:44,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:44,994 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] [2022-10-15 22:24:44,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:24:44,995 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)] === [2022-10-15 22:24:44,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:44,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1443953370, now seen corresponding path program 1 times [2022-10-15 22:24:44,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:44,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661812668] [2022-10-15 22:24:44,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:44,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:45,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:45,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661812668] [2022-10-15 22:24:45,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661812668] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:45,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:45,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042101139] [2022-10-15 22:24:45,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:45,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:45,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:45,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:45,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:45,174 INFO L87 Difference]: Start difference. First operand 14553 states and 23785 transitions. Second operand has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 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) [2022-10-15 22:24:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:47,366 INFO L93 Difference]: Finished difference Result 24409 states and 40315 transitions. [2022-10-15 22:24:47,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:24:47,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 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 [2022-10-15 22:24:47,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:47,422 INFO L225 Difference]: With dead ends: 24409 [2022-10-15 22:24:47,423 INFO L226 Difference]: Without dead ends: 24404 [2022-10-15 22:24:47,433 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 [2022-10-15 22:24:47,434 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 2196 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 4559 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:47,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 4559 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:47,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24404 states. [2022-10-15 22:24:49,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24404 to 14548. [2022-10-15 22:24:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14548 states, 14319 states have (on average 1.6607304979398003) internal successors, (23780), 14547 states have internal predecessors, (23780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14548 states to 14548 states and 23780 transitions. [2022-10-15 22:24:49,272 INFO L78 Accepts]: Start accepts. Automaton has 14548 states and 23780 transitions. Word has length 151 [2022-10-15 22:24:49,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:49,272 INFO L495 AbstractCegarLoop]: Abstraction has 14548 states and 23780 transitions. [2022-10-15 22:24:49,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 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) [2022-10-15 22:24:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 14548 states and 23780 transitions. [2022-10-15 22:24:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-15 22:24:49,275 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:49,276 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] [2022-10-15 22:24:49,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:24:49,276 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)] === [2022-10-15 22:24:49,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1812880926, now seen corresponding path program 1 times [2022-10-15 22:24:49,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:49,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073366623] [2022-10-15 22:24:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:49,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:49,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073366623] [2022-10-15 22:24:49,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073366623] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:49,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:49,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:24:49,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264294332] [2022-10-15 22:24:49,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:49,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:24:49,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:49,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:24:49,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:24:49,496 INFO L87 Difference]: Start difference. First operand 14548 states and 23780 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 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) [2022-10-15 22:24:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:52,582 INFO L93 Difference]: Finished difference Result 27720 states and 45776 transitions. [2022-10-15 22:24:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:24:52,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 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 [2022-10-15 22:24:52,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:52,638 INFO L225 Difference]: With dead ends: 27720 [2022-10-15 22:24:52,638 INFO L226 Difference]: Without dead ends: 27707 [2022-10-15 22:24:52,648 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 [2022-10-15 22:24:52,649 INFO L413 NwaCegarLoop]: 1853 mSDtfsCounter, 3669 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:52,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3669 Valid, 2894 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:24:52,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27707 states. [2022-10-15 22:24:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27707 to 27675. [2022-10-15 22:24:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27675 states, 27457 states have (on average 1.6635830571438976) internal successors, (45677), 27674 states have internal predecessors, (45677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27675 states to 27675 states and 45677 transitions. [2022-10-15 22:24:55,341 INFO L78 Accepts]: Start accepts. Automaton has 27675 states and 45677 transitions. Word has length 152 [2022-10-15 22:24:55,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:24:55,341 INFO L495 AbstractCegarLoop]: Abstraction has 27675 states and 45677 transitions. [2022-10-15 22:24:55,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 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) [2022-10-15 22:24:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 27675 states and 45677 transitions. [2022-10-15 22:24:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-15 22:24:55,344 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:24:55,344 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, 1] [2022-10-15 22:24:55,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:24:55,345 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)] === [2022-10-15 22:24:55,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:24:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash -364733272, now seen corresponding path program 1 times [2022-10-15 22:24:55,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:24:55,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958307576] [2022-10-15 22:24:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:24:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:24:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:24:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:24:55,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:24:55,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958307576] [2022-10-15 22:24:55,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958307576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:24:55,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:24:55,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:24:55,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328131649] [2022-10-15 22:24:55,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:24:55,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:24:55,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:24:55,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:24:55,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:24:55,544 INFO L87 Difference]: Start difference. First operand 27675 states and 45677 transitions. Second operand has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:24:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:24:59,729 INFO L93 Difference]: Finished difference Result 37529 states and 62143 transitions. [2022-10-15 22:24:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:24:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-15 22:24:59,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:24:59,805 INFO L225 Difference]: With dead ends: 37529 [2022-10-15 22:24:59,805 INFO L226 Difference]: Without dead ends: 37524 [2022-10-15 22:24:59,817 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 [2022-10-15 22:24:59,818 INFO L413 NwaCegarLoop]: 2277 mSDtfsCounter, 2994 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 5876 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:24:59,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 5876 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:24:59,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37524 states.