/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/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:25:15,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:25:15,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:25:15,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:25:15,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:25:15,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:25:15,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:25:15,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:25:15,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:25:15,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:25:15,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:25:15,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 14:25:15,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:25:15,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:25:15,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:25:15,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:25:15,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:25:15,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:25:15,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:25:15,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:25:15,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:25:15,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:25:15,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:25:15,400 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 14:25:15,456 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:25:15,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:25:15,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:25:15,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:25:15,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:25:15,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:25:15,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:25:15,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:25:15,462 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:25:15,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:25:15,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:25:15,464 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:25:15,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:25:15,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:25:15,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:25:15,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:25:15,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:25:15,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:25:15,465 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:25:15,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:25:15,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:25:15,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:25:15,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:25:15,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:25:15,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:25:15,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:25:15,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:15,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:25:15,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:25:15,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:25:15,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:25:15,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:25:15,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:25:15,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:25:15,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:25:15,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:25:15,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:25:15,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:25:15,966 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:25:15,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2022-10-16 14:25:16,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d959e9f26/60fe8361d2304d5abf7ce917858407b1/FLAG1e5940772 [2022-10-16 14:25:16,681 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:25:16,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2022-10-16 14:25:16,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d959e9f26/60fe8361d2304d5abf7ce917858407b1/FLAG1e5940772 [2022-10-16 14:25:17,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d959e9f26/60fe8361d2304d5abf7ce917858407b1 [2022-10-16 14:25:17,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:25:17,070 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:25:17,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:17,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:25:17,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:25:17,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aeb02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17, skipping insertion in model container [2022-10-16 14:25:17,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:25:17,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:25:17,412 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/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2022-10-16 14:25:17,415 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/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2022-10-16 14:25:17,417 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/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2022-10-16 14:25:17,420 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/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2022-10-16 14:25:17,422 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/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2022-10-16 14:25:17,425 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/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2022-10-16 14:25:17,427 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/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2022-10-16 14:25:17,430 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/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2022-10-16 14:25:17,432 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/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2022-10-16 14:25:17,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2022-10-16 14:25:17,438 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/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2022-10-16 14:25:17,441 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/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2022-10-16 14:25:17,444 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/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2022-10-16 14:25:17,445 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/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2022-10-16 14:25:17,449 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/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2022-10-16 14:25:17,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2022-10-16 14:25:17,453 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/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2022-10-16 14:25:17,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2022-10-16 14:25:17,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:17,473 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:25:17,490 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/apache-get-tag.i.v+lhb-reducer.c[1224,1237] [2022-10-16 14:25:17,493 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/apache-get-tag.i.v+lhb-reducer.c[1636,1649] [2022-10-16 14:25:17,494 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/apache-get-tag.i.v+lhb-reducer.c[1851,1864] [2022-10-16 14:25:17,497 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/apache-get-tag.i.v+lhb-reducer.c[2384,2397] [2022-10-16 14:25:17,499 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/apache-get-tag.i.v+lhb-reducer.c[2599,2612] [2022-10-16 14:25:17,501 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/apache-get-tag.i.v+lhb-reducer.c[2901,2914] [2022-10-16 14:25:17,502 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/apache-get-tag.i.v+lhb-reducer.c[3116,3129] [2022-10-16 14:25:17,504 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/apache-get-tag.i.v+lhb-reducer.c[3386,3399] [2022-10-16 14:25:17,506 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/apache-get-tag.i.v+lhb-reducer.c[3604,3617] [2022-10-16 14:25:17,509 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/apache-get-tag.i.v+lhb-reducer.c[4088,4101] [2022-10-16 14:25:17,510 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/apache-get-tag.i.v+lhb-reducer.c[4306,4319] [2022-10-16 14:25:17,513 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/apache-get-tag.i.v+lhb-reducer.c[4802,4815] [2022-10-16 14:25:17,515 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/apache-get-tag.i.v+lhb-reducer.c[5203,5216] [2022-10-16 14:25:17,516 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/apache-get-tag.i.v+lhb-reducer.c[5421,5434] [2022-10-16 14:25:17,518 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/apache-get-tag.i.v+lhb-reducer.c[5792,5805] [2022-10-16 14:25:17,520 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/apache-get-tag.i.v+lhb-reducer.c[6010,6023] [2022-10-16 14:25:17,521 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/apache-get-tag.i.v+lhb-reducer.c[6296,6309] [2022-10-16 14:25:17,523 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/apache-get-tag.i.v+lhb-reducer.c[6514,6527] [2022-10-16 14:25:17,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:25:17,541 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:25:17,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17 WrapperNode [2022-10-16 14:25:17,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:25:17,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:17,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:25:17,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:25:17,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,596 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 254 [2022-10-16 14:25:17,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:25:17,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:25:17,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:25:17,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:25:17,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,633 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:25:17,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:25:17,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:25:17,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:25:17,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (1/1) ... [2022-10-16 14:25:17,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:25:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:17,696 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 14:25:17,699 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 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:25:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:25:17,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:25:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:25:17,879 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:25:17,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:25:18,344 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:25:18,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:25:18,363 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:25:18,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:18 BoogieIcfgContainer [2022-10-16 14:25:18,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:25:18,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:25:18,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:25:18,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:25:18,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:25:17" (1/3) ... [2022-10-16 14:25:18,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22aaaf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:18, skipping insertion in model container [2022-10-16 14:25:18,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:25:17" (2/3) ... [2022-10-16 14:25:18,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22aaaf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:25:18, skipping insertion in model container [2022-10-16 14:25:18,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:25:18" (3/3) ... [2022-10-16 14:25:18,384 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2022-10-16 14:25:18,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:25:18,406 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-10-16 14:25:18,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:25:18,499 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;@2c2cb5fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:25:18,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-10-16 14:25:18,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 48 states have (on average 1.8333333333333333) internal successors, (88), 58 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 14:25:18,513 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:18,514 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 14:25:18,514 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 14:25:18,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:18,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647209128] [2022-10-16 14:25:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:18,736 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 14:25:18,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:18,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647209128] [2022-10-16 14:25:18,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647209128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:18,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:18,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:18,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729575849] [2022-10-16 14:25:18,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:18,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:18,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:18,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:18,785 INFO L87 Difference]: Start difference. First operand has 59 states, 48 states have (on average 1.8333333333333333) internal successors, (88), 58 states have internal predecessors, (88), 0 states have call successors, (0), 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 14:25:18,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:18,854 INFO L93 Difference]: Finished difference Result 62 states and 90 transitions. [2022-10-16 14:25:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:18,857 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 14:25:18,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:18,868 INFO L225 Difference]: With dead ends: 62 [2022-10-16 14:25:18,869 INFO L226 Difference]: Without dead ends: 46 [2022-10-16 14:25:18,873 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 14:25:18,878 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 65 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:18,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 47 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:18,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-10-16 14:25:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-10-16 14:25:18,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-10-16 14:25:18,929 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 4 [2022-10-16 14:25:18,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:18,929 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-10-16 14:25:18,930 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 14:25:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-10-16 14:25:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:25:18,931 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:18,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:25:18,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:25:18,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:18,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:18,933 INFO L85 PathProgramCache]: Analyzing trace with hash 28693763, now seen corresponding path program 1 times [2022-10-16 14:25:18,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:18,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307961642] [2022-10-16 14:25:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:18,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:18,981 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 14:25:18,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:18,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307961642] [2022-10-16 14:25:18,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307961642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:18,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:18,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:18,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503099720] [2022-10-16 14:25:18,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:18,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:18,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:18,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:18,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:18,987 INFO L87 Difference]: Start difference. First operand 46 states and 50 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 14:25:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:19,022 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-10-16 14:25:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:19,023 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 14:25:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:19,024 INFO L225 Difference]: With dead ends: 46 [2022-10-16 14:25:19,024 INFO L226 Difference]: Without dead ends: 45 [2022-10-16 14:25:19,025 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 14:25:19,027 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:19,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:25:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-10-16 14:25:19,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-10-16 14:25:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-10-16 14:25:19,039 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 5 [2022-10-16 14:25:19,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:19,042 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-10-16 14:25:19,042 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 14:25:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-10-16 14:25:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 14:25:19,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:19,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:19,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:25:19,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:19,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1581722771, now seen corresponding path program 1 times [2022-10-16 14:25:19,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:19,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690038444] [2022-10-16 14:25:19,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:19,235 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 14:25:19,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:19,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690038444] [2022-10-16 14:25:19,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690038444] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:19,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:19,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:25:19,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363832013] [2022-10-16 14:25:19,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:19,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:25:19,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:19,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:25:19,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:25:19,240 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:19,362 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-10-16 14:25:19,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:25:19,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 14:25:19,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:19,365 INFO L225 Difference]: With dead ends: 55 [2022-10-16 14:25:19,365 INFO L226 Difference]: Without dead ends: 51 [2022-10-16 14:25:19,366 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 14:25:19,367 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 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 14:25:19,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:19,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-10-16 14:25:19,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-10-16 14:25:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 50 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-10-16 14:25:19,388 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 11 [2022-10-16 14:25:19,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:19,388 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-10-16 14:25:19,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-10-16 14:25:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-16 14:25:19,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:19,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:19,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:25:19,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:19,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:19,395 INFO L85 PathProgramCache]: Analyzing trace with hash -439505060, now seen corresponding path program 1 times [2022-10-16 14:25:19,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:19,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087291829] [2022-10-16 14:25:19,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:19,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:19,639 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 14:25:19,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:19,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087291829] [2022-10-16 14:25:19,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087291829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:19,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:19,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:25:19,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870902576] [2022-10-16 14:25:19,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:19,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:19,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:19,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:19,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:19,644 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:19,822 INFO L93 Difference]: Finished difference Result 80 states and 91 transitions. [2022-10-16 14:25:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:19,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2022-10-16 14:25:19,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:19,827 INFO L225 Difference]: With dead ends: 80 [2022-10-16 14:25:19,827 INFO L226 Difference]: Without dead ends: 76 [2022-10-16 14:25:19,827 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 14:25:19,831 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:19,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 32 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-10-16 14:25:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2022-10-16 14:25:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.234375) internal successors, (79), 71 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2022-10-16 14:25:19,855 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 18 [2022-10-16 14:25:19,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:19,855 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2022-10-16 14:25:19,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-10-16 14:25:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:25:19,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:19,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:19,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:25:19,858 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:19,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -739754871, now seen corresponding path program 1 times [2022-10-16 14:25:19,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:19,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890757091] [2022-10-16 14:25:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:19,988 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 14:25:19,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:19,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890757091] [2022-10-16 14:25:19,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890757091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:19,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:19,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:25:19,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874308448] [2022-10-16 14:25:19,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:19,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:25:19,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:19,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:25:19,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:25:19,992 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:20,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:20,092 INFO L93 Difference]: Finished difference Result 72 states and 79 transitions. [2022-10-16 14:25:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:25:20,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 14:25:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:20,094 INFO L225 Difference]: With dead ends: 72 [2022-10-16 14:25:20,095 INFO L226 Difference]: Without dead ends: 68 [2022-10-16 14:25:20,095 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 14:25:20,097 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 28 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:20,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 25 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:20,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-10-16 14:25:20,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-10-16 14:25:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.171875) internal successors, (75), 67 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2022-10-16 14:25:20,108 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 19 [2022-10-16 14:25:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:20,109 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2022-10-16 14:25:20,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2022-10-16 14:25:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 14:25:20,110 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:20,111 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] [2022-10-16 14:25:20,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:25:20,111 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:20,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:20,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1338025710, now seen corresponding path program 1 times [2022-10-16 14:25:20,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:20,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409220018] [2022-10-16 14:25:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:20,240 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 14:25:20,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:20,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409220018] [2022-10-16 14:25:20,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409220018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:25:20,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:25:20,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:25:20,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498623528] [2022-10-16 14:25:20,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:25:20,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:25:20,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:20,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:25:20,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:25:20,244 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 14:25:20,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:20,401 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-10-16 14:25:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:25:20,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 14:25:20,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:20,403 INFO L225 Difference]: With dead ends: 102 [2022-10-16 14:25:20,403 INFO L226 Difference]: Without dead ends: 98 [2022-10-16 14:25:20,404 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 14:25:20,405 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 58 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:20,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 38 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:25:20,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-16 14:25:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 94. [2022-10-16 14:25:20,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 93 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:20,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2022-10-16 14:25:20,418 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 24 [2022-10-16 14:25:20,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:20,418 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2022-10-16 14:25:20,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 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 14:25:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2022-10-16 14:25:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 14:25:20,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:20,420 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 14:25:20,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:25:20,421 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:20,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:20,422 INFO L85 PathProgramCache]: Analyzing trace with hash -955814244, now seen corresponding path program 1 times [2022-10-16 14:25:20,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:20,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981765808] [2022-10-16 14:25:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:20,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:20,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:20,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981765808] [2022-10-16 14:25:20,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981765808] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:20,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17044726] [2022-10-16 14:25:20,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:20,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:20,676 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 14:25:20,703 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 14:25:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:20,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:25:20,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:20,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:21,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17044726] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:21,039 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:21,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 14:25:21,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598625304] [2022-10-16 14:25:21,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:21,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:25:21,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:21,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:25:21,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:25:21,043 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:21,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:21,360 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2022-10-16 14:25:21,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:25:21,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 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 31 [2022-10-16 14:25:21,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:21,363 INFO L225 Difference]: With dead ends: 228 [2022-10-16 14:25:21,363 INFO L226 Difference]: Without dead ends: 224 [2022-10-16 14:25:21,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:25:21,365 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 246 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:21,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 75 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:25:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-10-16 14:25:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2022-10-16 14:25:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 220 states have (on average 1.1318181818181818) internal successors, (249), 223 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 249 transitions. [2022-10-16 14:25:21,384 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 249 transitions. Word has length 31 [2022-10-16 14:25:21,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:21,385 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 249 transitions. [2022-10-16 14:25:21,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.0) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 249 transitions. [2022-10-16 14:25:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:25:21,388 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:21,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:21,419 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 14:25:21,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:21,603 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:21,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash 209117266, now seen corresponding path program 1 times [2022-10-16 14:25:21,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:21,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987284282] [2022-10-16 14:25:21,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:21,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:21,967 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:21,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:21,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987284282] [2022-10-16 14:25:21,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987284282] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:21,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179704141] [2022-10-16 14:25:21,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:21,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:21,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:21,970 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 14:25:21,989 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 14:25:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:22,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:25:22,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:22,216 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:22,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179704141] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:22,448 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:22,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2022-10-16 14:25:22,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317282348] [2022-10-16 14:25:22,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:22,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 14:25:22,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:22,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 14:25:22,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:25:22,453 INFO L87 Difference]: Start difference. First operand 224 states and 249 transitions. Second operand has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 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 14:25:23,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:23,071 INFO L93 Difference]: Finished difference Result 488 states and 579 transitions. [2022-10-16 14:25:23,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-16 14:25:23,072 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 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 63 [2022-10-16 14:25:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:23,078 INFO L225 Difference]: With dead ends: 488 [2022-10-16 14:25:23,078 INFO L226 Difference]: Without dead ends: 484 [2022-10-16 14:25:23,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:25:23,080 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 1020 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:23,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 130 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:25:23,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2022-10-16 14:25:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2022-10-16 14:25:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 480 states have (on average 1.1229166666666666) internal successors, (539), 483 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:23,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 539 transitions. [2022-10-16 14:25:23,133 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 539 transitions. Word has length 63 [2022-10-16 14:25:23,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:23,133 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 539 transitions. [2022-10-16 14:25:23,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.7) internal successors, (134), 21 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 14:25:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 539 transitions. [2022-10-16 14:25:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 14:25:23,147 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:23,147 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:23,187 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 14:25:23,348 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,SelfDestructingSolverStorable7 [2022-10-16 14:25:23,349 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:23,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash -319915758, now seen corresponding path program 2 times [2022-10-16 14:25:23,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:23,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207048233] [2022-10-16 14:25:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:24,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:24,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207048233] [2022-10-16 14:25:24,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207048233] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:24,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308634705] [2022-10-16 14:25:24,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:25:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:24,257 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 14:25:24,278 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 14:25:24,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:25:24,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:25:24,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:25:24,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-10-16 14:25:24,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-10-16 14:25:24,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308634705] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:24,921 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:24,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 6, 6] total 29 [2022-10-16 14:25:24,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179313707] [2022-10-16 14:25:24,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:24,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-10-16 14:25:24,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:24,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-10-16 14:25:24,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=552, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:25:24,925 INFO L87 Difference]: Start difference. First operand 484 states and 539 transitions. Second operand has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:28,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:28,047 INFO L93 Difference]: Finished difference Result 759 states and 868 transitions. [2022-10-16 14:25:28,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-10-16 14:25:28,048 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-10-16 14:25:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:28,052 INFO L225 Difference]: With dead ends: 759 [2022-10-16 14:25:28,052 INFO L226 Difference]: Without dead ends: 176 [2022-10-16 14:25:28,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4029 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3668, Invalid=8764, Unknown=0, NotChecked=0, Total=12432 [2022-10-16 14:25:28,067 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 4201 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:28,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4201 Valid, 167 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:25:28,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-10-16 14:25:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2022-10-16 14:25:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 173 states have (on average 1.023121387283237) internal successors, (177), 175 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 14:25:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 177 transitions. [2022-10-16 14:25:28,080 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 177 transitions. Word has length 128 [2022-10-16 14:25:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:28,082 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 177 transitions. [2022-10-16 14:25:28,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.413793103448276) internal successors, (186), 30 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 177 transitions. [2022-10-16 14:25:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-16 14:25:28,090 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:28,091 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:28,126 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 14:25:28,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:28,306 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1560752232, now seen corresponding path program 1 times [2022-10-16 14:25:28,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:28,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746287834] [2022-10-16 14:25:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:28,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:29,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:29,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746287834] [2022-10-16 14:25:29,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746287834] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:29,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007922730] [2022-10-16 14:25:29,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:29,415 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 14:25:29,441 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 14:25:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:29,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-16 14:25:29,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:29,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 1512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:30,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007922730] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:30,570 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:30,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-10-16 14:25:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558825690] [2022-10-16 14:25:30,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:30,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-10-16 14:25:30,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:30,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-10-16 14:25:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 14:25:30,578 INFO L87 Difference]: Start difference. First operand 176 states and 177 transitions. Second operand has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:31,255 INFO L93 Difference]: Finished difference Result 593 states and 660 transitions. [2022-10-16 14:25:31,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 14:25:31,256 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 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 158 [2022-10-16 14:25:31,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:31,261 INFO L225 Difference]: With dead ends: 593 [2022-10-16 14:25:31,262 INFO L226 Difference]: Without dead ends: 337 [2022-10-16 14:25:31,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2022-10-16 14:25:31,266 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 736 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:31,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 120 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:25:31,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2022-10-16 14:25:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2022-10-16 14:25:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 334 states have (on average 1.0119760479041917) internal successors, (338), 336 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 338 transitions. [2022-10-16 14:25:31,283 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 338 transitions. Word has length 158 [2022-10-16 14:25:31,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:31,285 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 338 transitions. [2022-10-16 14:25:31,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.043478260869565) internal successors, (324), 47 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:31,286 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 338 transitions. [2022-10-16 14:25:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-10-16 14:25:31,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:31,291 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:31,331 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 14:25:31,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:31,505 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:31,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1519476887, now seen corresponding path program 2 times [2022-10-16 14:25:31,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:31,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323769211] [2022-10-16 14:25:31,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:31,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:34,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:34,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323769211] [2022-10-16 14:25:34,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323769211] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:34,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146732122] [2022-10-16 14:25:34,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:25:34,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:34,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:34,909 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 14:25:34,913 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 14:25:35,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:25:35,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:25:35,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-16 14:25:35,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:35,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:38,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6710 backedges. 0 proven. 6710 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:38,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146732122] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:38,657 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:38,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2022-10-16 14:25:38,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83824127] [2022-10-16 14:25:38,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:38,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-10-16 14:25:38,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-10-16 14:25:38,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2022-10-16 14:25:38,666 INFO L87 Difference]: Start difference. First operand 337 states and 338 transitions. Second operand has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:40,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:25:40,407 INFO L93 Difference]: Finished difference Result 1168 states and 1304 transitions. [2022-10-16 14:25:40,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-10-16 14:25:40,408 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 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 319 [2022-10-16 14:25:40,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:25:40,412 INFO L225 Difference]: With dead ends: 1168 [2022-10-16 14:25:40,413 INFO L226 Difference]: Without dead ends: 659 [2022-10-16 14:25:40,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2022-10-16 14:25:40,417 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1797 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:25:40,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 207 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:25:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2022-10-16 14:25:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2022-10-16 14:25:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 656 states have (on average 1.0060975609756098) internal successors, (660), 658 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 660 transitions. [2022-10-16 14:25:40,441 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 660 transitions. Word has length 319 [2022-10-16 14:25:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:25:40,442 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 660 transitions. [2022-10-16 14:25:40,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 7.021739130434782) internal successors, (646), 93 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:25:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 660 transitions. [2022-10-16 14:25:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2022-10-16 14:25:40,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:25:40,460 INFO L195 NwaCegarLoop]: trace histogram [91, 90, 90, 90, 90, 90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:25:40,506 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 14:25:40,674 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,SelfDestructingSolverStorable10 [2022-10-16 14:25:40,675 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:25:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:25:40,677 INFO L85 PathProgramCache]: Analyzing trace with hash -785503561, now seen corresponding path program 3 times [2022-10-16 14:25:40,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:25:40,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071147740] [2022-10-16 14:25:40,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:25:40,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:25:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:25:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 0 proven. 28215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:25:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:25:51,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071147740] [2022-10-16 14:25:51,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071147740] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:25:51,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360665465] [2022-10-16 14:25:51,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:25:51,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:25:51,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:25:51,834 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 14:25:51,834 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 14:25:51,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:25:51,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:25:51,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:25:51,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:25:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 178 proven. 269 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2022-10-16 14:25:53,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:25:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 28215 backedges. 0 proven. 447 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2022-10-16 14:25:54,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360665465] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:25:54,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:25:54,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 6, 6] total 101 [2022-10-16 14:25:54,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867625184] [2022-10-16 14:25:54,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:25:54,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-10-16 14:25:54,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:25:54,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-10-16 14:25:54,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4674, Invalid=5628, Unknown=0, NotChecked=0, Total=10302 [2022-10-16 14:25:54,474 INFO L87 Difference]: Start difference. First operand 659 states and 660 transitions. Second operand has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:10,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:26:10,260 INFO L93 Difference]: Finished difference Result 701 states and 706 transitions. [2022-10-16 14:26:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-10-16 14:26:10,261 INFO L78 Accepts]: Start accepts. Automaton has has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 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 641 [2022-10-16 14:26:10,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:26:10,266 INFO L225 Difference]: With dead ends: 701 [2022-10-16 14:26:10,266 INFO L226 Difference]: Without dead ends: 665 [2022-10-16 14:26:10,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1561 GetRequests, 1271 SyntacticMatches, 1 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22334 ImplicationChecksByTransitivity, 18.4s TimeCoverageRelationStatistics Valid=27867, Invalid=56523, Unknown=0, NotChecked=0, Total=84390 [2022-10-16 14:26:10,280 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2078 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 770 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:26:10,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 31 Invalid, 1562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [770 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:26:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-10-16 14:26:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-10-16 14:26:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.001510574018127) internal successors, (663), 662 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 663 transitions. [2022-10-16 14:26:10,307 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 663 transitions. Word has length 641 [2022-10-16 14:26:10,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:26:10,309 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 663 transitions. [2022-10-16 14:26:10,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 101 states have (on average 6.762376237623762) internal successors, (683), 102 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 663 transitions. [2022-10-16 14:26:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-10-16 14:26:10,328 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:10,328 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 92, 91, 91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:26:10,366 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 14:26:10,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:26:10,543 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:26:10,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:10,544 INFO L85 PathProgramCache]: Analyzing trace with hash -283697090, now seen corresponding path program 1 times [2022-10-16 14:26:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:10,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195252996] [2022-10-16 14:26:10,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:26:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:26:21,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:26:21,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195252996] [2022-10-16 14:26:21,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195252996] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:26:21,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911373897] [2022-10-16 14:26:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:21,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:26:21,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:26:21,319 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:26:21,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:26:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:26:21,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 95 conjunts are in the unsatisfiable core [2022-10-16 14:26:21,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:26:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:26:22,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:26:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 29120 backedges. 0 proven. 29120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:26:35,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911373897] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:26:35,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:26:35,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 190 [2022-10-16 14:26:35,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15049504] [2022-10-16 14:26:35,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:26:35,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-10-16 14:26:35,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:26:35,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-10-16 14:26:35,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2022-10-16 14:26:35,182 INFO L87 Difference]: Start difference. First operand 663 states and 663 transitions. Second operand has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:26:42,605 INFO L93 Difference]: Finished difference Result 2389 states and 2484 transitions. [2022-10-16 14:26:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2022-10-16 14:26:42,607 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 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 662 [2022-10-16 14:26:42,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:26:42,614 INFO L225 Difference]: With dead ends: 2389 [2022-10-16 14:26:42,614 INFO L226 Difference]: Without dead ends: 1343 [2022-10-16 14:26:42,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1417 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2022-10-16 14:26:42,619 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 6369 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 832 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 2883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 832 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:26:42,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6369 Valid, 402 Invalid, 2883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [832 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 14:26:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2022-10-16 14:26:42,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1328. [2022-10-16 14:26:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 1327 states have (on average 1.0007535795026374) internal successors, (1328), 1327 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1328 transitions. [2022-10-16 14:26:42,707 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1328 transitions. Word has length 662 [2022-10-16 14:26:42,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:26:42,709 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1328 transitions. [2022-10-16 14:26:42,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 7.010526315789473) internal successors, (1332), 191 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:26:42,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1328 transitions. [2022-10-16 14:26:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2022-10-16 14:26:42,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:26:42,728 INFO L195 NwaCegarLoop]: trace histogram [187, 187, 187, 187, 186, 186, 186, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:26:42,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:26:42,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:26:42,940 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-10-16 14:26:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:26:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1912710893, now seen corresponding path program 2 times [2022-10-16 14:26:42,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:26:42,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247639090] [2022-10-16 14:26:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:26:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:26:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:27:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 121365 backedges. 0 proven. 121365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:27:29,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:27:29,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247639090] [2022-10-16 14:27:29,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247639090] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:27:29,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626554294] [2022-10-16 14:27:29,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:27:29,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:27:29,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:27:29,661 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:27:29,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:27:29,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:27:29,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:27:29,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:27:29,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:27:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 121365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121365 trivial. 0 not checked. [2022-10-16 14:27:32,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:27:32,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626554294] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:27:32,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:27:32,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [190] total 195 [2022-10-16 14:27:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82653066] [2022-10-16 14:27:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:27:32,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:27:32,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:27:32,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:27:32,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18347, Invalid=19873, Unknown=0, NotChecked=0, Total=38220 [2022-10-16 14:27:32,366 INFO L87 Difference]: Start difference. First operand 1328 states and 1328 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:33,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:27:33,039 INFO L93 Difference]: Finished difference Result 1328 states and 1328 transitions. [2022-10-16 14:27:33,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:27:33,040 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 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 1327 [2022-10-16 14:27:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:27:33,042 INFO L225 Difference]: With dead ends: 1328 [2022-10-16 14:27:33,042 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:27:33,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1521 GetRequests, 1322 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=18382, Invalid=21818, Unknown=0, NotChecked=0, Total=40200 [2022-10-16 14:27:33,047 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 31 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:27:33,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 17 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:27:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:27:33,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:27:33,048 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 14:27:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:27:33,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1327 [2022-10-16 14:27:33,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:27:33,049 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:27:33,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:27:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:27:33,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:27:33,056 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-10-16 14:27:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-10-16 14:27:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-10-16 14:27:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-10-16 14:27:33,057 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-10-16 14:27:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-10-16 14:27:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-10-16 14:27:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-10-16 14:27:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-10-16 14:27:33,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-10-16 14:27:33,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:27:33,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 14:27:33,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:27:39,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-10-16 14:27:39,162 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2022-10-16 14:27:39,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2022-10-16 14:27:39,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-10-16 14:27:39,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:27:39,163 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-10-16 14:27:39,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:27:39,164 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-10-16 14:27:39,164 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2022-10-16 14:27:39,164 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 401) no Hoare annotation was computed. [2022-10-16 14:27:39,164 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 391) no Hoare annotation was computed. [2022-10-16 14:27:39,164 INFO L895 garLoopResultBuilder]: At program point L400(lines 15 402) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483647) [2022-10-16 14:27:39,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2022-10-16 14:27:39,165 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 94) no Hoare annotation was computed. [2022-10-16 14:27:39,165 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-10-16 14:27:39,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-10-16 14:27:39,165 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2022-10-16 14:27:39,166 INFO L895 garLoopResultBuilder]: At program point L384(lines 282 391) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646)) (.cse1 (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (or (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~19#1| 1) (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~19#1| 0)) .cse1 (<= |ULTIMATE.start_main_~main__t~0#1| 2147483645)) (and .cse0 (= |ULTIMATE.start_main_~main__t~0#1| 0) .cse1))) [2022-10-16 14:27:39,166 INFO L895 garLoopResultBuilder]: At program point L351(lines 32 395) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646)) (.cse1 (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|)))) (or (and (<= |ULTIMATE.start_main_~main__t~0#1| 2147483646) .cse0 (<= 1 |ULTIMATE.start_main_~main__t~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_main_~main__t~0#1| 0) .cse1))) [2022-10-16 14:27:39,166 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2022-10-16 14:27:39,166 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 385) no Hoare annotation was computed. [2022-10-16 14:27:39,166 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 352) no Hoare annotation was computed. [2022-10-16 14:27:39,166 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 203) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L895 garLoopResultBuilder]: At program point L195(lines 56 253) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646) (<= 1 |ULTIMATE.start_main_~main__t~0#1|)) [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 209) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 255) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 317) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L287-1(line 287) no Hoare annotation was computed. [2022-10-16 14:27:39,167 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 395) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 390) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 244) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2022-10-16 14:27:39,168 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 396) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 162) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point L132-1(line 132) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 201) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2022-10-16 14:27:39,169 INFO L895 garLoopResultBuilder]: At program point L314(lines 32 395) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483647) [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 250) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 253) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 198) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 387) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 354) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 393) no Hoare annotation was computed. [2022-10-16 14:27:39,170 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 200) no Hoare annotation was computed. [2022-10-16 14:27:39,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-10-16 14:27:39,171 INFO L895 garLoopResultBuilder]: At program point L249(lines 101 251) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| 2147483646) (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (not (= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))) [2022-10-16 14:27:39,171 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2022-10-16 14:27:39,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2022-10-16 14:27:39,171 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 251) no Hoare annotation was computed. [2022-10-16 14:27:39,171 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 389) no Hoare annotation was computed. [2022-10-16 14:27:39,175 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:27:39,177 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:27:39,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:27:39 BoogieIcfgContainer [2022-10-16 14:27:39,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:27:39,196 INFO L158 Benchmark]: Toolchain (without parser) took 142130.21ms. Allocated memory was 151.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 125.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 974.2MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,196 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:27:39,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.15ms. Allocated memory is still 151.0MB. Free memory was 125.2MB in the beginning and 109.1MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.07ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,197 INFO L158 Benchmark]: Boogie Preprocessor took 48.05ms. Allocated memory is still 151.0MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,197 INFO L158 Benchmark]: RCFGBuilder took 722.70ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 128.3MB in the end (delta: -22.8MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,198 INFO L158 Benchmark]: TraceAbstraction took 140822.50ms. Allocated memory was 151.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 127.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 976.2MB. Max. memory is 8.0GB. [2022-10-16 14:27:39,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.15ms. Allocated memory is still 151.0MB. Free memory was 125.2MB in the beginning and 109.1MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.07ms. Allocated memory is still 151.0MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.05ms. Allocated memory is still 151.0MB. Free memory was 107.0MB in the beginning and 105.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 722.70ms. Allocated memory is still 151.0MB. Free memory was 105.5MB in the beginning and 128.3MB in the end (delta: -22.8MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. * TraceAbstraction took 140822.50ms. Allocated memory was 151.0MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 127.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 976.2MB. 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: 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, 59 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 140.7s, OverallIterations: 14, TraceHistogramMax: 187, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16671 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16671 mSDsluCounter, 1418 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1146 mSDsCounter, 2906 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6172 IncrementalHoareTripleChecker+Invalid, 9078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2906 mSolverCounterUnsat, 272 mSDtfsCounter, 6172 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6089 GetRequests, 5126 SyntacticMatches, 2 SemanticMatches, 961 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27799 ImplicationChecksByTransitivity, 56.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1328occurred in iteration=13, InterpolantAutomatonStates: 671, 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, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 533 NumberOfFragments, 83 HoareAnnotationTreeSize, 6 FomulaSimplifications, 3292 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7760 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 97.8s InterpolantComputationTime, 6739 NumberOfCodeBlocks, 4710 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 8712 ConstructedInterpolants, 0 QuantifiedInterpolants, 26115 SizeOfPredicates, 11 NumberOfNonLiveVariables, 5161 ConjunctsInSsa, 206 ConjunctsInUnsatCore, 29 InterpolantComputations, 7 PerfectInterpolantSequences, 177951/441024 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 10 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((main__t <= 2147483646 && main__tagbuf_len <= 2147483646) && 1 <= main__t) && !(main__t == main__tagbuf_len)) || ((main__tagbuf_len <= 2147483646 && main__t == 0) && !(main__t == main__tagbuf_len)) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (main__tagbuf_len <= 2147483646 && 1 <= main__t) && !(main__t == main__tagbuf_len) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483646 && 1 <= main__t - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483647 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((main__tagbuf_len <= 2147483646 && 1 <= main__t) && (__VERIFIER_assert__cond == 1 || __VERIFIER_assert__cond == 0)) && !(main__t == main__tagbuf_len)) && main__t <= 2147483645) || ((main__tagbuf_len <= 2147483646 && main__t == 0) && !(main__t == main__tagbuf_len)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: main__tagbuf_len <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-10-16 14:27:39,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...