/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:25:05,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:25:05,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:25:05,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:25:05,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:25:05,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:25:05,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:25:05,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:25:05,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:25:05,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:25:05,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:25:05,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:25:05,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:25:05,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:25:05,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:25:05,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:25:05,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:25:05,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:25:05,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:25:05,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:25:05,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:25:05,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:25:05,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:25:05,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:25:05,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:25:05,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:25:05,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:25:05,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:25:05,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:25:05,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:25:05,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:25:05,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:25:05,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:25:05,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:25:05,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:25:05,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:25:05,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:25:05,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:25:05,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:25:05,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:25:05,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:25:05,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:25:05,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:25:05,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:25:05,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:25:05,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:25:05,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:25:05,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:25:05,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:25:05,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:25:05,585 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:25:05,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:25:05,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:25:05,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:25:05,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:25:05,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:25:05,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:25:05,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:25:05,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:25:05,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:25:05,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:25:05,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:25:05,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:25:05,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:25:05,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:25:05,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:25:05,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:25:05,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:25:05,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:05,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:25:05,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:25:05,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:25:05,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:25:05,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:25:05,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:25:05,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:25:06,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:25:06,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:25:06,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:25:06,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:25:06,048 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:25:06,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-10-16 14:25:06,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e8ada71/f8017c8e0e8c435db88f716523a989b7/FLAG885932b10 [2022-10-16 14:25:06,736 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:25:06,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-10-16 14:25:06,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e8ada71/f8017c8e0e8c435db88f716523a989b7/FLAG885932b10 [2022-10-16 14:25:07,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96e8ada71/f8017c8e0e8c435db88f716523a989b7 [2022-10-16 14:25:07,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:25:07,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:25:07,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:07,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:25:07,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:25:07,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458d1316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07, skipping insertion in model container [2022-10-16 14:25:07,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:25:07,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:25:07,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-10-16 14:25:07,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-10-16 14:25:07,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-10-16 14:25:07,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-10-16 14:25:07,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-10-16 14:25:07,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-10-16 14:25:07,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-10-16 14:25:07,398 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-10-16 14:25:07,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-10-16 14:25:07,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-10-16 14:25:07,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-10-16 14:25:07,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-10-16 14:25:07,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-10-16 14:25:07,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-10-16 14:25:07,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-10-16 14:25:07,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-10-16 14:25:07,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:07,427 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:25:07,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-10-16 14:25:07,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-10-16 14:25:07,469 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-10-16 14:25:07,472 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/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-10-16 14:25:07,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-10-16 14:25:07,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-10-16 14:25:07,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-10-16 14:25:07,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-10-16 14:25:07,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-10-16 14:25:07,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-10-16 14:25:07,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-10-16 14:25:07,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-10-16 14:25:07,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-10-16 14:25:07,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-10-16 14:25:07,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-10-16 14:25:07,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-10-16 14:25:07,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:07,530 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:25:07,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07 WrapperNode [2022-10-16 14:25:07,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:07,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:07,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:25:07,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:25:07,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,577 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 212 [2022-10-16 14:25:07,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:07,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:25:07,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:25:07,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:25:07,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:25:07,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:25:07,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:25:07,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:25:07,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (1/1) ... [2022-10-16 14:25:07,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:07,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:07,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:25:07,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:25:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:25:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:25:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:25:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:25:07,793 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:25:07,796 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:25:08,149 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:25:08,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:25:08,167 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:25:08,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:08 BoogieIcfgContainer [2022-10-16 14:25:08,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:25:08,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:25:08,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:25:08,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:25:08,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:25:07" (1/3) ... [2022-10-16 14:25:08,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4caa8d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:08, skipping insertion in model container [2022-10-16 14:25:08,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:07" (2/3) ... [2022-10-16 14:25:08,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4caa8d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:08, skipping insertion in model container [2022-10-16 14:25:08,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:08" (3/3) ... [2022-10-16 14:25:08,194 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2022-10-16 14:25:08,240 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:25:08,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 14:25:08,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:25:08,327 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;@7cbb80bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:25:08,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 14:25:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 67 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:25:08,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:08,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:25:08,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:08,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:08,348 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2022-10-16 14:25:08,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:08,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919671387] [2022-10-16 14:25:08,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:08,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:08,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:08,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919671387] [2022-10-16 14:25:08,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919671387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:08,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:08,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:08,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088819443] [2022-10-16 14:25:08,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:08,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:08,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:08,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:08,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:08,709 INFO L87 Difference]: Start difference. First operand has 68 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 67 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:08,752 INFO L93 Difference]: Finished difference Result 71 states and 91 transitions. [2022-10-16 14:25:08,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:08,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-16 14:25:08,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:08,773 INFO L225 Difference]: With dead ends: 71 [2022-10-16 14:25:08,773 INFO L226 Difference]: Without dead ends: 64 [2022-10-16 14:25:08,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:08,781 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 69 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:08,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 64 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-10-16 14:25:08,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-10-16 14:25:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.511111111111111) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-10-16 14:25:08,823 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 4 [2022-10-16 14:25:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:08,824 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-10-16 14:25:08,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-10-16 14:25:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:25:08,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:08,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:25:08,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:25:08,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:08,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:08,826 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-10-16 14:25:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:08,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718890125] [2022-10-16 14:25:08,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:08,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:08,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:08,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718890125] [2022-10-16 14:25:08,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718890125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:08,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:08,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:08,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367477218] [2022-10-16 14:25:08,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:08,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:08,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:08,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:08,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:08,882 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:08,904 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-10-16 14:25:08,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:08,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-10-16 14:25:08,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:08,906 INFO L225 Difference]: With dead ends: 64 [2022-10-16 14:25:08,907 INFO L226 Difference]: Without dead ends: 63 [2022-10-16 14:25:08,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:08,909 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 63 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:08,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 62 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:08,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-10-16 14:25:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-10-16 14:25:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 45 states have (on average 1.488888888888889) internal successors, (67), 62 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-10-16 14:25:08,920 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 5 [2022-10-16 14:25:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:08,921 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-10-16 14:25:08,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-10-16 14:25:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:25:08,922 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:08,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:08,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:25:08,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:08,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:08,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1179985259, now seen corresponding path program 1 times [2022-10-16 14:25:08,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:08,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293177744] [2022-10-16 14:25:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:08,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:09,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:09,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293177744] [2022-10-16 14:25:09,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293177744] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:09,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:09,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:09,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238074784] [2022-10-16 14:25:09,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:09,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:09,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:09,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:09,023 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:09,189 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-10-16 14:25:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-10-16 14:25:09,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:09,195 INFO L225 Difference]: With dead ends: 103 [2022-10-16 14:25:09,195 INFO L226 Difference]: Without dead ends: 95 [2022-10-16 14:25:09,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:09,201 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:09,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 78 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:09,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-10-16 14:25:09,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2022-10-16 14:25:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 90 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2022-10-16 14:25:09,224 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 9 [2022-10-16 14:25:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:09,224 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2022-10-16 14:25:09,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2022-10-16 14:25:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 14:25:09,226 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:09,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:09,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:25:09,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:09,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:09,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1478932108, now seen corresponding path program 1 times [2022-10-16 14:25:09,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:09,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002193214] [2022-10-16 14:25:09,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:09,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:09,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:09,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002193214] [2022-10-16 14:25:09,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002193214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:09,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:09,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:09,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438941253] [2022-10-16 14:25:09,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:09,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:09,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:09,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:09,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:09,358 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:09,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:09,477 INFO L93 Difference]: Finished difference Result 124 states and 140 transitions. [2022-10-16 14:25:09,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:09,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-10-16 14:25:09,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:09,479 INFO L225 Difference]: With dead ends: 124 [2022-10-16 14:25:09,479 INFO L226 Difference]: Without dead ends: 120 [2022-10-16 14:25:09,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:09,487 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 19 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:09,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 95 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:09,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-10-16 14:25:09,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2022-10-16 14:25:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 113 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) [2022-10-16 14:25:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2022-10-16 14:25:09,517 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 17 [2022-10-16 14:25:09,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:09,518 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2022-10-16 14:25:09,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2022-10-16 14:25:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 14:25:09,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:09,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:09,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:25:09,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:09,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:09,525 INFO L85 PathProgramCache]: Analyzing trace with hash -196465665, now seen corresponding path program 1 times [2022-10-16 14:25:09,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:09,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510087545] [2022-10-16 14:25:09,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:09,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:09,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:09,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510087545] [2022-10-16 14:25:09,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510087545] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:09,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958474299] [2022-10-16 14:25:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:09,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:09,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:09,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:09,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:25:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:09,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:25:09,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:09,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:09,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958474299] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:09,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:09,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-16 14:25:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618055899] [2022-10-16 14:25:09,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:09,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:25:09,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:09,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:25:09,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:25:09,961 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:10,210 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2022-10-16 14:25:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:25:10,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-10-16 14:25:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:10,213 INFO L225 Difference]: With dead ends: 274 [2022-10-16 14:25:10,214 INFO L226 Difference]: Without dead ends: 269 [2022-10-16 14:25:10,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:25:10,216 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 214 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:10,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 142 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:25:10,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-10-16 14:25:10,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 251. [2022-10-16 14:25:10,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 236 states have (on average 1.347457627118644) internal successors, (318), 250 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 318 transitions. [2022-10-16 14:25:10,246 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 318 transitions. Word has length 23 [2022-10-16 14:25:10,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:10,246 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 318 transitions. [2022-10-16 14:25:10,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,247 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2022-10-16 14:25:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 14:25:10,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:10,248 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:10,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-16 14:25:10,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:10,463 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:10,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1795468263, now seen corresponding path program 1 times [2022-10-16 14:25:10,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:10,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574967609] [2022-10-16 14:25:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:10,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:10,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574967609] [2022-10-16 14:25:10,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574967609] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:10,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090630401] [2022-10-16 14:25:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:10,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:10,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:10,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:25:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:10,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 14:25:10,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:10,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:25:10,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090630401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:10,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:25:10,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-16 14:25:10,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098474289] [2022-10-16 14:25:10,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:10,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:10,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:10,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:25:10,668 INFO L87 Difference]: Start difference. First operand 251 states and 318 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:10,759 INFO L93 Difference]: Finished difference Result 251 states and 318 transitions. [2022-10-16 14:25:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:10,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-10-16 14:25:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:10,765 INFO L225 Difference]: With dead ends: 251 [2022-10-16 14:25:10,766 INFO L226 Difference]: Without dead ends: 246 [2022-10-16 14:25:10,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:25:10,776 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 85 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:10,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 60 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-10-16 14:25:10,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-10-16 14:25:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 236 states have (on average 1.2584745762711864) internal successors, (297), 245 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 297 transitions. [2022-10-16 14:25:10,827 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 297 transitions. Word has length 24 [2022-10-16 14:25:10,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:10,832 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 297 transitions. [2022-10-16 14:25:10,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 297 transitions. [2022-10-16 14:25:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 14:25:10,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:10,834 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] [2022-10-16 14:25:10,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:25:11,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 14:25:11,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:11,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1362629903, now seen corresponding path program 1 times [2022-10-16 14:25:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:11,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546252588] [2022-10-16 14:25:11,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:11,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:11,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:11,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546252588] [2022-10-16 14:25:11,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546252588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:11,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:11,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:25:11,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275431807] [2022-10-16 14:25:11,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:11,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:11,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:11,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:11,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:11,135 INFO L87 Difference]: Start difference. First operand 246 states and 297 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:11,221 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2022-10-16 14:25:11,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:11,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2022-10-16 14:25:11,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:11,225 INFO L225 Difference]: With dead ends: 338 [2022-10-16 14:25:11,225 INFO L226 Difference]: Without dead ends: 335 [2022-10-16 14:25:11,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:11,228 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 69 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:11,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 89 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:11,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-10-16 14:25:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 318. [2022-10-16 14:25:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 308 states have (on average 1.224025974025974) internal successors, (377), 317 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 377 transitions. [2022-10-16 14:25:11,267 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 377 transitions. Word has length 29 [2022-10-16 14:25:11,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:11,267 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 377 transitions. [2022-10-16 14:25:11,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 377 transitions. [2022-10-16 14:25:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:25:11,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:11,269 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] [2022-10-16 14:25:11,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:25:11,269 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:11,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:11,270 INFO L85 PathProgramCache]: Analyzing trace with hash -708145806, now seen corresponding path program 1 times [2022-10-16 14:25:11,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:11,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108262350] [2022-10-16 14:25:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:11,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:11,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:11,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108262350] [2022-10-16 14:25:11,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108262350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:11,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:11,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:25:11,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949861937] [2022-10-16 14:25:11,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:11,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:11,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:11,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:11,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:11,366 INFO L87 Difference]: Start difference. First operand 318 states and 377 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:11,439 INFO L93 Difference]: Finished difference Result 324 states and 382 transitions. [2022-10-16 14:25:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:11,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2022-10-16 14:25:11,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:11,442 INFO L225 Difference]: With dead ends: 324 [2022-10-16 14:25:11,442 INFO L226 Difference]: Without dead ends: 320 [2022-10-16 14:25:11,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:11,443 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:11,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 94 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-10-16 14:25:11,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2022-10-16 14:25:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.1818181818181819) internal successors, (364), 313 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 364 transitions. [2022-10-16 14:25:11,459 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 364 transitions. Word has length 30 [2022-10-16 14:25:11,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:11,461 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 364 transitions. [2022-10-16 14:25:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 364 transitions. [2022-10-16 14:25:11,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 14:25:11,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:11,468 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] [2022-10-16 14:25:11,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:25:11,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:11,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1617652168, now seen corresponding path program 1 times [2022-10-16 14:25:11,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:11,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278383496] [2022-10-16 14:25:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:11,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:11,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278383496] [2022-10-16 14:25:11,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278383496] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:11,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:11,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:25:11,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794086174] [2022-10-16 14:25:11,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:11,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:25:11,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:11,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:25:11,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:25:11,619 INFO L87 Difference]: Start difference. First operand 314 states and 364 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:11,739 INFO L93 Difference]: Finished difference Result 422 states and 484 transitions. [2022-10-16 14:25:11,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:25:11,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-16 14:25:11,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:11,744 INFO L225 Difference]: With dead ends: 422 [2022-10-16 14:25:11,744 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 14:25:11,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:25:11,750 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 141 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:11,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 115 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 14:25:11,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2022-10-16 14:25:11,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 389 states have (on average 1.1696658097686374) internal successors, (455), 394 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2022-10-16 14:25:11,785 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 35 [2022-10-16 14:25:11,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:11,786 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2022-10-16 14:25:11,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2022-10-16 14:25:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 14:25:11,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:11,791 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:11,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:25:11,792 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:11,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:11,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1145241121, now seen corresponding path program 1 times [2022-10-16 14:25:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:11,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726391875] [2022-10-16 14:25:11,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:25:11,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:11,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726391875] [2022-10-16 14:25:11,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726391875] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:11,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640439507] [2022-10-16 14:25:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:11,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:11,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:11,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:25:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:12,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:25:12,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:12,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:12,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640439507] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:12,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:12,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2022-10-16 14:25:12,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685244789] [2022-10-16 14:25:12,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:12,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:25:12,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:12,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:25:12,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:25:12,227 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:12,524 INFO L93 Difference]: Finished difference Result 509 states and 585 transitions. [2022-10-16 14:25:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:25:12,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-10-16 14:25:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:12,527 INFO L225 Difference]: With dead ends: 509 [2022-10-16 14:25:12,528 INFO L226 Difference]: Without dead ends: 505 [2022-10-16 14:25:12,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=287, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:25:12,529 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 671 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:12,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 144 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:25:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-10-16 14:25:12,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 166. [2022-10-16 14:25:12,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.1219512195121952) internal successors, (184), 165 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 184 transitions. [2022-10-16 14:25:12,543 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 184 transitions. Word has length 47 [2022-10-16 14:25:12,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:12,544 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 184 transitions. [2022-10-16 14:25:12,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 184 transitions. [2022-10-16 14:25:12,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:25:12,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:12,545 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:12,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:25:12,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:12,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:12,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:12,760 INFO L85 PathProgramCache]: Analyzing trace with hash -990392901, now seen corresponding path program 2 times [2022-10-16 14:25:12,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:12,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767919704] [2022-10-16 14:25:12,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:12,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 14:25:12,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:12,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767919704] [2022-10-16 14:25:12,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767919704] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:12,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635678719] [2022-10-16 14:25:12,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:25:12,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:12,906 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:12,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:25:12,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:25:12,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:25:12,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:25:12,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:13,061 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-10-16 14:25:13,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-10-16 14:25:13,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635678719] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:13,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:13,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 7 [2022-10-16 14:25:13,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548020575] [2022-10-16 14:25:13,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:13,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:25:13,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:13,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:25:13,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:25:13,176 INFO L87 Difference]: Start difference. First operand 166 states and 184 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:13,349 INFO L93 Difference]: Finished difference Result 472 states and 534 transitions. [2022-10-16 14:25:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:25:13,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 14:25:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:13,352 INFO L225 Difference]: With dead ends: 472 [2022-10-16 14:25:13,352 INFO L226 Difference]: Without dead ends: 171 [2022-10-16 14:25:13,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:25:13,355 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 285 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:13,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 114 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-10-16 14:25:13,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 132. [2022-10-16 14:25:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.1145038167938932) internal successors, (146), 131 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 146 transitions. [2022-10-16 14:25:13,365 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 146 transitions. Word has length 65 [2022-10-16 14:25:13,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:13,366 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 146 transitions. [2022-10-16 14:25:13,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2022-10-16 14:25:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 14:25:13,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:13,367 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:13,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:25:13,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:13,583 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:13,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash -158244814, now seen corresponding path program 1 times [2022-10-16 14:25:13,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:13,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853721] [2022-10-16 14:25:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:25:13,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:13,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853721] [2022-10-16 14:25:13,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853721] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:13,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:13,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:25:13,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400511863] [2022-10-16 14:25:13,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:13,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:13,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:13,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:13,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:13,684 INFO L87 Difference]: Start difference. First operand 132 states and 146 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:13,737 INFO L93 Difference]: Finished difference Result 242 states and 270 transitions. [2022-10-16 14:25:13,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:13,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 14:25:13,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:13,739 INFO L225 Difference]: With dead ends: 242 [2022-10-16 14:25:13,739 INFO L226 Difference]: Without dead ends: 132 [2022-10-16 14:25:13,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:13,741 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:13,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:13,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-10-16 14:25:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-10-16 14:25:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.0687022900763359) internal successors, (140), 131 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2022-10-16 14:25:13,750 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 75 [2022-10-16 14:25:13,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:13,750 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2022-10-16 14:25:13,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2022-10-16 14:25:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 14:25:13,751 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:13,751 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:13,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:25:13,752 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:13,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:13,752 INFO L85 PathProgramCache]: Analyzing trace with hash 420869729, now seen corresponding path program 1 times [2022-10-16 14:25:13,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:13,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542990684] [2022-10-16 14:25:13,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:13,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:13,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:13,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542990684] [2022-10-16 14:25:13,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542990684] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:13,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041950971] [2022-10-16 14:25:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:13,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:13,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:13,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:13,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:25:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:13,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:25:14,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:14,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:14,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041950971] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:14,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:14,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-10-16 14:25:14,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353887961] [2022-10-16 14:25:14,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:14,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:25:14,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:14,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:25:14,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:25:14,248 INFO L87 Difference]: Start difference. First operand 132 states and 140 transitions. Second operand has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:14,521 INFO L93 Difference]: Finished difference Result 406 states and 432 transitions. [2022-10-16 14:25:14,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:25:14,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 14:25:14,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:14,524 INFO L225 Difference]: With dead ends: 406 [2022-10-16 14:25:14,524 INFO L226 Difference]: Without dead ends: 405 [2022-10-16 14:25:14,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:25:14,526 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 989 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:14,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 231 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:25:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-10-16 14:25:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 372. [2022-10-16 14:25:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.0566037735849056) internal successors, (392), 371 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:14,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 392 transitions. [2022-10-16 14:25:14,552 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 392 transitions. Word has length 80 [2022-10-16 14:25:14,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:14,553 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 392 transitions. [2022-10-16 14:25:14,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 392 transitions. [2022-10-16 14:25:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 14:25:14,555 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:14,555 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:14,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:25:14,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 14:25:14,769 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 14:25:14,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:14,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1469409768, now seen corresponding path program 2 times [2022-10-16 14:25:14,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:14,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890161768] [2022-10-16 14:25:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:14,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:15,405 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:15,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:15,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890161768] [2022-10-16 14:25:15,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890161768] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:15,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185444006] [2022-10-16 14:25:15,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:25:15,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:15,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:15,408 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:25:15,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:25:15,487 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:25:15,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:25:15,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:25:15,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:15,707 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-10-16 14:25:15,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-10-16 14:25:15,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185444006] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:15,921 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:15,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2022-10-16 14:25:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638705655] [2022-10-16 14:25:15,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:15,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:25:15,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:15,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:25:15,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:25:15,924 INFO L87 Difference]: Start difference. First operand 372 states and 392 transitions. Second operand has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:16,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:16,380 INFO L93 Difference]: Finished difference Result 493 states and 520 transitions. [2022-10-16 14:25:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 14:25:16,380 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 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 170 [2022-10-16 14:25:16,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:16,381 INFO L225 Difference]: With dead ends: 493 [2022-10-16 14:25:16,381 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:25:16,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:25:16,384 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 809 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:16,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 268 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:25:16,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:25:16,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:25:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:25:16,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2022-10-16 14:25:16,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:16,385 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:25:16,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:25:16,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:25:16,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-10-16 14:25:16,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-10-16 14:25:16,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-10-16 14:25:16,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-10-16 14:25:16,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-10-16 14:25:16,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-10-16 14:25:16,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-10-16 14:25:16,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-10-16 14:25:16,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-10-16 14:25:16,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-10-16 14:25:16,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-10-16 14:25:16,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-10-16 14:25:16,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-10-16 14:25:16,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-10-16 14:25:16,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-10-16 14:25:16,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:25:16,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:16,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:25:24,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 14:25:24,088 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-10-16 14:25:24,088 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 281) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 123) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-10-16 14:25:24,089 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 300) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point L185-1(line 185) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 127) no Hoare annotation was computed. [2022-10-16 14:25:24,090 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 312) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 267) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 288) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-10-16 14:25:24,091 INFO L899 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2022-10-16 14:25:24,096 INFO L895 garLoopResultBuilder]: At program point L293(lines 38 294) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse1 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse2 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse4 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse3 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and (let ((.cse5 (<= |ULTIMATE.start_main_~main__i~0#1| 2147483646)) (.cse6 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) .cse5 (<= |ULTIMATE.start_main_~main__j~0#1| 2147483642) .cse2 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4))) .cse3))) [2022-10-16 14:25:24,096 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 269) no Hoare annotation was computed. [2022-10-16 14:25:24,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-10-16 14:25:24,097 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-10-16 14:25:24,097 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2022-10-16 14:25:24,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-10-16 14:25:24,097 INFO L895 garLoopResultBuilder]: At program point L310(lines 13 313) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647) [2022-10-16 14:25:24,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 273) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 294) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point L237-1(line 237) no Hoare annotation was computed. [2022-10-16 14:25:24,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-10-16 14:25:24,099 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 279) no Hoare annotation was computed. [2022-10-16 14:25:24,099 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-10-16 14:25:24,099 INFO L895 garLoopResultBuilder]: At program point L304(lines 25 312) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse2 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3) (and (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) (let ((.cse4 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) .cse4 .cse3) (and .cse0 (= |ULTIMATE.start_main_~main__j~0#1| 0) .cse4 .cse3))) .cse1 .cse2))) [2022-10-16 14:25:24,099 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 283) no Hoare annotation was computed. [2022-10-16 14:25:24,099 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-10-16 14:25:24,099 INFO L899 garLoopResultBuilder]: For program point L263(line 263) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 125) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 265) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 286) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-10-16 14:25:24,100 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 129) no Hoare annotation was computed. [2022-10-16 14:25:24,103 INFO L895 garLoopResultBuilder]: At program point L264(lines 31 306) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse4 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse3 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and (let ((.cse5 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) .cse2 .cse5 .cse4))) .cse3))) [2022-10-16 14:25:24,103 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 285) no Hoare annotation was computed. [2022-10-16 14:25:24,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:25:24,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-10-16 14:25:24,103 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 271) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 275) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L183-1(line 183) no Hoare annotation was computed. [2022-10-16 14:25:24,104 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 277) no Hoare annotation was computed. [2022-10-16 14:25:24,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-10-16 14:25:24,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-10-16 14:25:24,111 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:24,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:25:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:25:24 BoogieIcfgContainer [2022-10-16 14:25:24,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:25:24,154 INFO L158 Benchmark]: Toolchain (without parser) took 16995.03ms. Allocated memory was 157.3MB in the beginning and 327.2MB in the end (delta: 169.9MB). Free memory was 130.1MB in the beginning and 243.3MB in the end (delta: -113.3MB). Peak memory consumption was 196.3MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,154 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 127.8MB in the beginning and 127.7MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:25:24,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 114.3MB in the end (delta: 15.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.15ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 112.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,155 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 110.9MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,156 INFO L158 Benchmark]: RCFGBuilder took 564.04ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 130.8MB in the end (delta: -19.9MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,157 INFO L158 Benchmark]: TraceAbstraction took 15975.10ms. Allocated memory was 157.3MB in the beginning and 327.2MB in the end (delta: 169.9MB). Free memory was 130.2MB in the beginning and 243.3MB in the end (delta: -113.1MB). Peak memory consumption was 196.8MB. Max. memory is 8.0GB. [2022-10-16 14:25:24,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 127.8MB in the beginning and 127.7MB in the end (delta: 71.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 157.3MB. Free memory was 129.9MB in the beginning and 114.3MB in the end (delta: 15.6MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.15ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 112.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 110.9MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 564.04ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 130.8MB in the end (delta: -19.9MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * TraceAbstraction took 15975.10ms. Allocated memory was 157.3MB in the beginning and 327.2MB in the end (delta: 169.9MB). Free memory was 130.2MB in the beginning and 243.3MB in the end (delta: -113.1MB). Peak memory consumption was 196.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 68 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3494 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3494 mSDsluCounter, 1658 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1047 mSDsCounter, 319 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1410 IncrementalHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 319 mSolverCounterUnsat, 611 mSDtfsCounter, 1410 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 864 GetRequests, 772 SyntacticMatches, 3 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 485 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 77 NumberOfFragments, 183 HoareAnnotationTreeSize, 4 FomulaSimplifications, 516 FormulaSimplificationTreeSizeReduction, 6.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 322534 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1382 ConstructedInterpolants, 0 QuantifiedInterpolants, 3926 SizeOfPredicates, 4 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 752/1480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((0 <= main__bufsize && main__i == 0) && main__j == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || ((((((((0 <= main__bufsize && 1 <= main__j) && main__i <= 2147483646) && main__j <= 2147483642) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647) || (((((0 <= main__bufsize && main__i <= 2147483646) && main__j == 0) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647)) && main__len <= 2147483647) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((0 <= main__bufsize && main__i == 0) && main__j == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || ((((((0 <= main__bufsize && main__j == 0) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647) || (((((0 <= main__bufsize && 1 <= main__j) && main__j < 2147483646) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647)) && main__len <= 2147483647) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: main__bufsize <= 2147483647 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((0 <= main__bufsize && main__i == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || (((main__j < 2147483646 && ((((0 <= main__bufsize && 1 <= main__j) && 1 <= main__i) && main__bufsize <= 2147483647) || (((0 <= main__bufsize && main__j == 0) && 1 <= main__i) && main__bufsize <= 2147483647))) && main__limit <= 2147483643) && main__len <= 2147483647) RESULT: Ultimate proved your program to be correct! [2022-10-16 14:25:24,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...