./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:04:27,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:04:27,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:04:27,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:04:27,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:04:27,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:04:27,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:04:27,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:04:27,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:04:27,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:04:27,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:04:27,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:04:27,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:04:27,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:04:27,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:04:27,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:04:27,883 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:04:27,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:04:27,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:04:27,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:04:27,892 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:04:27,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:04:27,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:04:27,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:04:27,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:04:27,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:04:27,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:04:27,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:04:27,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:04:27,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:04:27,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:04:27,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:04:27,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:04:27,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:04:27,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:04:27,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:04:27,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:04:27,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:04:27,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:04:27,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:04:27,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:04:27,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:04:27,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:04:27,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:04:27,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:04:27,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:04:27,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:04:27,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:04:27,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:04:27,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:04:27,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:04:27,937 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:04:27,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:04:27,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:04:27,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:04:27,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:04:27,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:04:27,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:04:27,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:04:27,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:04:27,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:04:27,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:04:27,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:04:27,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:04:27,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:04:27,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:04:27,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:04:27,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:04:27,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-07-22 22:04:28,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:04:28,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:04:28,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:04:28,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:04:28,148 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:04:28,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-22 22:04:28,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd392c0a/0faf0958b4ab40a6aaa0a5372f3a01c8/FLAG84028bbe0 [2022-07-22 22:04:28,700 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:04:28,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-22 22:04:28,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd392c0a/0faf0958b4ab40a6aaa0a5372f3a01c8/FLAG84028bbe0 [2022-07-22 22:04:29,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd392c0a/0faf0958b4ab40a6aaa0a5372f3a01c8 [2022-07-22 22:04:29,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:04:29,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:04:29,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:04:29,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:04:29,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:04:29,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:04:29" (1/1) ... [2022-07-22 22:04:29,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3237253b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:29, skipping insertion in model container [2022-07-22 22:04:29,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:04:29" (1/1) ... [2022-07-22 22:04:29,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:04:29,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:04:29,480 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/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-22 22:04:29,485 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/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-22 22:04:29,953 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:04:30,008 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,010 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,010 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,016 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,017 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,018 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,018 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,019 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,020 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,020 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:04:30,193 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:04:30,194 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:04:30,194 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:04:30,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:04:30,197 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:04:30,197 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:04:30,198 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:04:30,199 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:04:30,199 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:04:30,276 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,291 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:04:30,311 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:04:30,319 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/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-22 22:04:30,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-22 22:04:30,346 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:04:30,356 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,356 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,356 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,357 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,357 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,361 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,361 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,362 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,362 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,363 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,363 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,364 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,364 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:04:30,383 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:04:30,383 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:04:30,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:04:30,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:04:30,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:04:30,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:04:30,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:04:30,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:04:30,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:04:30,410 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,417 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:04:30,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:04:30,560 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:04:30,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30 WrapperNode [2022-07-22 22:04:30,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:04:30,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:04:30,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:04:30,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:04:30,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,663 INFO L137 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-07-22 22:04:30,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:04:30,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:04:30,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:04:30,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:04:30,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:04:30,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:04:30,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:04:30,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:04:30,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (1/1) ... [2022-07-22 22:04:30,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:04:30,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:30,761 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) [2022-07-22 22:04:30,810 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 [2022-07-22 22:04:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:04:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-07-22 22:04:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-07-22 22:04:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:04:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-07-22 22:04:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-07-22 22:04:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-22 22:04:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-22 22:04:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:04:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:04:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:04:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:04:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:04:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:04:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:04:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-07-22 22:04:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-07-22 22:04:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-07-22 22:04:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-07-22 22:04:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:04:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:04:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:04:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:04:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:04:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-07-22 22:04:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-07-22 22:04:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-22 22:04:30,839 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-22 22:04:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:04:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:04:31,034 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:04:31,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:04:31,223 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:04:31,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:04:31,228 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:04:31,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:04:31 BoogieIcfgContainer [2022-07-22 22:04:31,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:04:31,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:04:31,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:04:31,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:04:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:04:29" (1/3) ... [2022-07-22 22:04:31,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16abff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:04:31, skipping insertion in model container [2022-07-22 22:04:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:04:30" (2/3) ... [2022-07-22 22:04:31,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16abff14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:04:31, skipping insertion in model container [2022-07-22 22:04:31,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:04:31" (3/3) ... [2022-07-22 22:04:31,234 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-07-22 22:04:31,243 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:04:31,243 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:04:31,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:04:31,278 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@52d3432e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@506abc9c [2022-07-22 22:04:31,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:04:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-07-22 22:04:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-22 22:04:31,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:31,292 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:04:31,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:31,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:31,295 INFO L85 PathProgramCache]: Analyzing trace with hash -946297550, now seen corresponding path program 1 times [2022-07-22 22:04:31,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:31,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414219170] [2022-07-22 22:04:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 22:04:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-22 22:04:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-22 22:04:31,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:31,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414219170] [2022-07-22 22:04:31,632 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-22 22:04:31,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157539883] [2022-07-22 22:04:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:31,635 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) [2022-07-22 22:04:31,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 22:04:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:31,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 22:04:31,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-07-22 22:04:31,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:31,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157539883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:31,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:31,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 22:04:31,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546547753] [2022-07-22 22:04:31,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:31,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 22:04:31,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:31,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 22:04:31,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:04:31,893 INFO L87 Difference]: Start difference. First operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-22 22:04:31,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:31,921 INFO L93 Difference]: Finished difference Result 207 states and 288 transitions. [2022-07-22 22:04:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 22:04:31,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-07-22 22:04:31,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:31,932 INFO L225 Difference]: With dead ends: 207 [2022-07-22 22:04:31,933 INFO L226 Difference]: Without dead ends: 97 [2022-07-22 22:04:31,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:04:31,940 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:31,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 22:04:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-22 22:04:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-22 22:04:31,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 59 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-22 22:04:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2022-07-22 22:04:31,974 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 89 [2022-07-22 22:04:31,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:31,974 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2022-07-22 22:04:31,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-22 22:04:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2022-07-22 22:04:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-22 22:04:31,977 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:31,977 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:04:32,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:32,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-22 22:04:32,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:32,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2112535568, now seen corresponding path program 1 times [2022-07-22 22:04:32,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:32,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666284135] [2022-07-22 22:04:32,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:32,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:32,230 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:32,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135370532] [2022-07-22 22:04:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:32,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:32,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:32,239 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) [2022-07-22 22:04:32,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 22:04:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:32,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-22 22:04:32,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-22 22:04:32,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:32,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:32,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666284135] [2022-07-22 22:04:32,514 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:32,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135370532] [2022-07-22 22:04:32,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135370532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:32,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:32,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-22 22:04:32,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660797984] [2022-07-22 22:04:32,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:32,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-22 22:04:32,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:32,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-22 22:04:32,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:04:32,516 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 22:04:32,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:32,726 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2022-07-22 22:04:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 22:04:32,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 89 [2022-07-22 22:04:32,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:32,729 INFO L225 Difference]: With dead ends: 166 [2022-07-22 22:04:32,729 INFO L226 Difference]: Without dead ends: 97 [2022-07-22 22:04:32,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:04:32,734 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:32,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 352 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:04:32,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-07-22 22:04:32,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-07-22 22:04:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 59 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-07-22 22:04:32,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2022-07-22 22:04:32,753 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 89 [2022-07-22 22:04:32,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:32,755 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2022-07-22 22:04:32,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-22 22:04:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2022-07-22 22:04:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-22 22:04:32,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:32,763 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:04:32,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:32,963 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,SelfDestructingSolverStorable1 [2022-07-22 22:04:32,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash 778634374, now seen corresponding path program 1 times [2022-07-22 22:04:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:32,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744220862] [2022-07-22 22:04:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:32,990 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:32,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633133970] [2022-07-22 22:04:32,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:32,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:32,993 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) [2022-07-22 22:04:32,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 22:04:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:33,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-22 22:04:33,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:33,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-22 22:04:35,388 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_393 Int)) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_393)) |c_#memory_$Pointer$.base|)) is different from true [2022-07-22 22:04:43,837 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-07-22 22:04:43,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:43,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744220862] [2022-07-22 22:04:43,837 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:43,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633133970] [2022-07-22 22:04:43,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633133970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:43,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:43,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-22 22:04:43,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365125278] [2022-07-22 22:04:43,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:43,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-22 22:04:43,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-22 22:04:43,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=202, Unknown=3, NotChecked=28, Total=272 [2022-07-22 22:04:43,839 INFO L87 Difference]: Start difference. First operand 97 states and 123 transitions. Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-22 22:04:44,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:44,408 INFO L93 Difference]: Finished difference Result 238 states and 320 transitions. [2022-07-22 22:04:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-22 22:04:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 104 [2022-07-22 22:04:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:44,413 INFO L225 Difference]: With dead ends: 238 [2022-07-22 22:04:44,414 INFO L226 Difference]: Without dead ends: 171 [2022-07-22 22:04:44,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=60, Invalid=321, Unknown=3, NotChecked=36, Total=420 [2022-07-22 22:04:44,417 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 121 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 550 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:44,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 691 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 669 Invalid, 0 Unknown, 550 Unchecked, 0.5s Time] [2022-07-22 22:04:44,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-07-22 22:04:44,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 107. [2022-07-22 22:04:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 68 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-07-22 22:04:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2022-07-22 22:04:44,432 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 104 [2022-07-22 22:04:44,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:44,433 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2022-07-22 22:04:44,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-22 22:04:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2022-07-22 22:04:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-22 22:04:44,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:44,435 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:04:44,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:44,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:44,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:44,657 INFO L85 PathProgramCache]: Analyzing trace with hash 385607364, now seen corresponding path program 1 times [2022-07-22 22:04:44,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:44,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099150375] [2022-07-22 22:04:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:44,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:44,685 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:44,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741748506] [2022-07-22 22:04:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:44,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:44,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:44,687 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) [2022-07-22 22:04:44,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 22:04:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:44,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 22:04:44,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-22 22:04:44,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:04:44,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:44,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099150375] [2022-07-22 22:04:44,894 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:44,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741748506] [2022-07-22 22:04:44,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741748506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:04:44,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:04:44,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:04:44,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395856964] [2022-07-22 22:04:44,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:04:44,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:04:44,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:44,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:04:44,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:04:44,895 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:04:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:04:44,938 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2022-07-22 22:04:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:04:44,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2022-07-22 22:04:44,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:04:44,940 INFO L225 Difference]: With dead ends: 189 [2022-07-22 22:04:44,940 INFO L226 Difference]: Without dead ends: 112 [2022-07-22 22:04:44,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 22:04:44,941 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 22:04:44,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 22:04:44,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-07-22 22:04:44,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-07-22 22:04:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-07-22 22:04:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2022-07-22 22:04:44,957 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 104 [2022-07-22 22:04:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:04:44,957 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2022-07-22 22:04:44,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:04:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2022-07-22 22:04:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 22:04:44,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:04:44,958 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:04:44,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-22 22:04:45,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:45,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:04:45,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:04:45,180 INFO L85 PathProgramCache]: Analyzing trace with hash -814904288, now seen corresponding path program 1 times [2022-07-22 22:04:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:04:45,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971372601] [2022-07-22 22:04:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:04:45,200 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:04:45,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839487170] [2022-07-22 22:04:45,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:04:45,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:04:45,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:04:45,208 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) [2022-07-22 22:04:45,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 22:04:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:04:45,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 150 conjunts are in the unsatisfiable core [2022-07-22 22:04:45,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:04:45,476 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-22 22:04:45,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-07-22 22:04:45,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 22:04:45,645 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-22 22:04:45,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-22 22:04:45,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-22 22:04:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:45,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-07-22 22:04:45,876 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-22 22:04:45,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-22 22:04:46,215 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-07-22 22:04:46,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-07-22 22:04:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:04:46,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-07-22 22:04:53,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 323 [2022-07-22 22:04:54,090 INFO L356 Elim1Store]: treesize reduction 4, result has 95.1 percent of original size [2022-07-22 22:04:54,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 328 treesize of output 394 [2022-07-22 22:04:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 35 proven. 96 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-22 22:04:54,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:04:59,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:04:59,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971372601] [2022-07-22 22:04:59,723 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:04:59,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839487170] [2022-07-22 22:04:59,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839487170] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:04:59,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:04:59,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2022-07-22 22:04:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183760409] [2022-07-22 22:04:59,724 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-22 22:04:59,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-07-22 22:04:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:04:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-07-22 22:04:59,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1437, Unknown=2, NotChecked=0, Total=1560 [2022-07-22 22:04:59,726 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) [2022-07-22 22:05:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:02,715 INFO L93 Difference]: Finished difference Result 150 states and 193 transitions. [2022-07-22 22:05:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-22 22:05:02,716 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) Word has length 106 [2022-07-22 22:05:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:02,717 INFO L225 Difference]: With dead ends: 150 [2022-07-22 22:05:02,717 INFO L226 Difference]: Without dead ends: 148 [2022-07-22 22:05:02,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 61 SyntacticMatches, 12 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=233, Invalid=2627, Unknown=2, NotChecked=0, Total=2862 [2022-07-22 22:05:02,719 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 60 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 919 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:02,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1303 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 589 Invalid, 0 Unknown, 919 Unchecked, 0.5s Time] [2022-07-22 22:05:02,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-07-22 22:05:02,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2022-07-22 22:05:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.120879120879121) internal successors, (102), 94 states have internal predecessors, (102), 41 states have call successors, (41), 12 states have call predecessors, (41), 14 states have return successors, (47), 40 states have call predecessors, (47), 39 states have call successors, (47) [2022-07-22 22:05:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2022-07-22 22:05:02,750 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 190 transitions. Word has length 106 [2022-07-22 22:05:02,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:02,752 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-07-22 22:05:02,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 31 states have (on average 1.8064516129032258) internal successors, (56), 31 states have internal predecessors, (56), 10 states have call successors, (17), 7 states have call predecessors, (17), 10 states have return successors, (16), 11 states have call predecessors, (16), 9 states have call successors, (16) [2022-07-22 22:05:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2022-07-22 22:05:02,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 22:05:02,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:02,754 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:02,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:02,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:02,971 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:02,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:02,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1997817290, now seen corresponding path program 1 times [2022-07-22 22:05:02,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:02,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967866904] [2022-07-22 22:05:02,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:02,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:02,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877927481] [2022-07-22 22:05:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:02,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:03,001 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) [2022-07-22 22:05:03,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-22 22:05:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:03,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 36 conjunts are in the unsatisfiable core [2022-07-22 22:05:03,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:03,287 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-22 22:05:03,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:05:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-22 22:05:03,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:03,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967866904] [2022-07-22 22:05:03,590 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:03,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877927481] [2022-07-22 22:05:03,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877927481] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 22:05:03,590 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 22:05:03,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2022-07-22 22:05:03,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395049775] [2022-07-22 22:05:03,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 22:05:03,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-22 22:05:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:03,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-22 22:05:03,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-22 22:05:03,592 INFO L87 Difference]: Start difference. First operand 147 states and 190 transitions. Second operand has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 22:05:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:03,904 INFO L93 Difference]: Finished difference Result 237 states and 298 transitions. [2022-07-22 22:05:03,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 22:05:03,904 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) Word has length 112 [2022-07-22 22:05:03,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:03,905 INFO L225 Difference]: With dead ends: 237 [2022-07-22 22:05:03,906 INFO L226 Difference]: Without dead ends: 149 [2022-07-22 22:05:03,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2022-07-22 22:05:03,906 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 11 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:03,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1590 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:05:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-07-22 22:05:03,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2022-07-22 22:05:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.120879120879121) internal successors, (102), 94 states have internal predecessors, (102), 41 states have call successors, (41), 12 states have call predecessors, (41), 14 states have return successors, (45), 40 states have call predecessors, (45), 39 states have call successors, (45) [2022-07-22 22:05:03,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 188 transitions. [2022-07-22 22:05:03,921 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 188 transitions. Word has length 112 [2022-07-22 22:05:03,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:03,922 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 188 transitions. [2022-07-22 22:05:03,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-07-22 22:05:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 188 transitions. [2022-07-22 22:05:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 22:05:03,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:03,924 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:03,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:04,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:04,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:04,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:04,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1361957686, now seen corresponding path program 2 times [2022-07-22 22:05:04,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:04,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394481997] [2022-07-22 22:05:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:04,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:04,180 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:04,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989913258] [2022-07-22 22:05:04,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 22:05:04,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:04,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:04,184 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) [2022-07-22 22:05:04,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-22 22:05:04,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 22:05:04,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 22:05:04,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-22 22:05:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 22:05:04,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:05:04,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:04,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394481997] [2022-07-22 22:05:04,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:04,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989913258] [2022-07-22 22:05:04,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989913258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:05:04,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:05:04,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-22 22:05:04,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563558462] [2022-07-22 22:05:04,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:05:04,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 22:05:04,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 22:05:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-22 22:05:04,489 INFO L87 Difference]: Start difference. First operand 147 states and 188 transitions. Second operand has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-07-22 22:05:04,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:04,831 INFO L93 Difference]: Finished difference Result 236 states and 292 transitions. [2022-07-22 22:05:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 22:05:04,834 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 112 [2022-07-22 22:05:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:04,835 INFO L225 Difference]: With dead ends: 236 [2022-07-22 22:05:04,835 INFO L226 Difference]: Without dead ends: 127 [2022-07-22 22:05:04,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2022-07-22 22:05:04,836 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 112 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:04,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 650 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 22:05:04,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-07-22 22:05:04,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-07-22 22:05:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 81 states have (on average 1.123456790123457) internal successors, (91), 84 states have internal predecessors, (91), 31 states have call successors, (31), 12 states have call predecessors, (31), 14 states have return successors, (33), 30 states have call predecessors, (33), 29 states have call successors, (33) [2022-07-22 22:05:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 155 transitions. [2022-07-22 22:05:04,845 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 155 transitions. Word has length 112 [2022-07-22 22:05:04,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:04,845 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 155 transitions. [2022-07-22 22:05:04,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-07-22 22:05:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 155 transitions. [2022-07-22 22:05:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 22:05:04,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:04,847 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:04,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:05,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:05,056 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:05,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:05,057 INFO L85 PathProgramCache]: Analyzing trace with hash -134845918, now seen corresponding path program 1 times [2022-07-22 22:05:05,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:05,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194322230] [2022-07-22 22:05:05,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:05,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:05,076 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:05,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [715886233] [2022-07-22 22:05:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:05,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:05,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:05,077 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) [2022-07-22 22:05:05,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-22 22:05:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:05,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 22:05:05,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-22 22:05:05,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:05:05,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:05,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194322230] [2022-07-22 22:05:05,322 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:05,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715886233] [2022-07-22 22:05:05,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715886233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:05:05,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:05:05,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 22:05:05,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252398629] [2022-07-22 22:05:05,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:05:05,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 22:05:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 22:05:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 22:05:05,324 INFO L87 Difference]: Start difference. First operand 127 states and 155 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:05:05,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:05,465 INFO L93 Difference]: Finished difference Result 219 states and 266 transitions. [2022-07-22 22:05:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:05:05,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-07-22 22:05:05,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:05,466 INFO L225 Difference]: With dead ends: 219 [2022-07-22 22:05:05,466 INFO L226 Difference]: Without dead ends: 135 [2022-07-22 22:05:05,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:05:05,467 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:05,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 425 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:05:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-07-22 22:05:05,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 128. [2022-07-22 22:05:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.1097560975609757) internal successors, (91), 85 states have internal predecessors, (91), 31 states have call successors, (31), 12 states have call predecessors, (31), 14 states have return successors, (33), 30 states have call predecessors, (33), 29 states have call successors, (33) [2022-07-22 22:05:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 155 transitions. [2022-07-22 22:05:05,480 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 155 transitions. Word has length 106 [2022-07-22 22:05:05,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:05,481 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 155 transitions. [2022-07-22 22:05:05,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:05:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 155 transitions. [2022-07-22 22:05:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 22:05:05,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:05,482 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:05,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:05,695 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,SelfDestructingSolverStorable7 [2022-07-22 22:05:05,695 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:05,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -556738850, now seen corresponding path program 1 times [2022-07-22 22:05:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:05,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046601912] [2022-07-22 22:05:05,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:05,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:05,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024138103] [2022-07-22 22:05:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:05,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:05,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:05,719 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:05:05,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-22 22:05:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:05,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 22:05:05,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-07-22 22:05:05,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:05:05,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:05,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046601912] [2022-07-22 22:05:05,990 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:05,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024138103] [2022-07-22 22:05:05,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024138103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:05:05,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:05:05,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 22:05:05,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312539656] [2022-07-22 22:05:05,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:05:05,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 22:05:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:05,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 22:05:05,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 22:05:05,992 INFO L87 Difference]: Start difference. First operand 128 states and 155 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:05:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:06,108 INFO L93 Difference]: Finished difference Result 217 states and 261 transitions. [2022-07-22 22:05:06,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:05:06,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-07-22 22:05:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:06,109 INFO L225 Difference]: With dead ends: 217 [2022-07-22 22:05:06,109 INFO L226 Difference]: Without dead ends: 132 [2022-07-22 22:05:06,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:05:06,110 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 7 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:06,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 445 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:05:06,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-07-22 22:05:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2022-07-22 22:05:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.0975609756097562) internal successors, (90), 85 states have internal predecessors, (90), 31 states have call successors, (31), 12 states have call predecessors, (31), 14 states have return successors, (33), 30 states have call predecessors, (33), 29 states have call successors, (33) [2022-07-22 22:05:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 154 transitions. [2022-07-22 22:05:06,123 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 154 transitions. Word has length 106 [2022-07-22 22:05:06,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:06,125 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 154 transitions. [2022-07-22 22:05:06,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-22 22:05:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2022-07-22 22:05:06,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 22:05:06,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:06,127 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:06,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:06,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:06,335 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:06,336 INFO L85 PathProgramCache]: Analyzing trace with hash 123319520, now seen corresponding path program 1 times [2022-07-22 22:05:06,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:06,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898251427] [2022-07-22 22:05:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:06,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:06,367 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:06,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194861471] [2022-07-22 22:05:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:06,369 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:05:06,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-22 22:05:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:06,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 138 conjunts are in the unsatisfiable core [2022-07-22 22:05:06,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:06,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-22 22:05:06,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-07-22 22:05:07,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-22 22:05:08,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:08,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2022-07-22 22:05:10,224 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1394 Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1394)))) is different from true [2022-07-22 22:05:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 51 trivial. 6 not checked. [2022-07-22 22:05:20,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:05:22,273 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| Int) (v_ArrVal_1402 Int)) (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_25|) 0 v_ArrVal_1402)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616) 0)) is different from false [2022-07-22 22:05:22,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898251427] [2022-07-22 22:05:22,275 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194861471] [2022-07-22 22:05:22,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194861471] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:05:22,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:05:22,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-07-22 22:05:22,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192711720] [2022-07-22 22:05:22,275 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-22 22:05:22,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-22 22:05:22,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:22,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-22 22:05:22,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=447, Unknown=4, NotChecked=86, Total=600 [2022-07-22 22:05:22,276 INFO L87 Difference]: Start difference. First operand 128 states and 154 transitions. Second operand has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-22 22:05:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:28,680 INFO L93 Difference]: Finished difference Result 278 states and 326 transitions. [2022-07-22 22:05:28,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-22 22:05:28,681 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) Word has length 106 [2022-07-22 22:05:28,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:28,682 INFO L225 Difference]: With dead ends: 278 [2022-07-22 22:05:28,682 INFO L226 Difference]: Without dead ends: 184 [2022-07-22 22:05:28,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=140, Invalid=986, Unknown=4, NotChecked=130, Total=1260 [2022-07-22 22:05:28,683 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 108 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 1649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 672 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:28,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 793 Invalid, 1649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 875 Invalid, 0 Unknown, 672 Unchecked, 2.2s Time] [2022-07-22 22:05:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-07-22 22:05:28,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2022-07-22 22:05:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 120 states have (on average 1.0916666666666666) internal successors, (131), 123 states have internal predecessors, (131), 40 states have call successors, (40), 18 states have call predecessors, (40), 20 states have return successors, (44), 39 states have call predecessors, (44), 38 states have call successors, (44) [2022-07-22 22:05:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 215 transitions. [2022-07-22 22:05:28,693 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 215 transitions. Word has length 106 [2022-07-22 22:05:28,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:28,693 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 215 transitions. [2022-07-22 22:05:28,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-22 22:05:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 215 transitions. [2022-07-22 22:05:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-22 22:05:28,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:28,694 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:28,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:28,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-22 22:05:28,899 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:28,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1405612984, now seen corresponding path program 1 times [2022-07-22 22:05:28,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:28,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246844455] [2022-07-22 22:05:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:28,929 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:28,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902093528] [2022-07-22 22:05:28,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:28,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:28,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:28,942 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:05:28,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-22 22:05:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:29,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 40 conjunts are in the unsatisfiable core [2022-07-22 22:05:29,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:29,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-22 22:05:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-07-22 22:05:29,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:05:29,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:05:29,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246844455] [2022-07-22 22:05:29,341 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:05:29,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902093528] [2022-07-22 22:05:29,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902093528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:05:29,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:05:29,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-22 22:05:29,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569855922] [2022-07-22 22:05:29,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:05:29,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-22 22:05:29,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:05:29,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-22 22:05:29,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-22 22:05:29,343 INFO L87 Difference]: Start difference. First operand 181 states and 215 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2022-07-22 22:05:29,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:05:29,972 INFO L93 Difference]: Finished difference Result 307 states and 370 transitions. [2022-07-22 22:05:29,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 22:05:29,973 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 117 [2022-07-22 22:05:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:05:29,974 INFO L225 Difference]: With dead ends: 307 [2022-07-22 22:05:29,974 INFO L226 Difference]: Without dead ends: 215 [2022-07-22 22:05:29,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-07-22 22:05:29,975 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 109 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 22:05:29,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 592 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 22:05:29,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-07-22 22:05:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 181. [2022-07-22 22:05:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 120 states have (on average 1.0833333333333333) internal successors, (130), 123 states have internal predecessors, (130), 40 states have call successors, (40), 18 states have call predecessors, (40), 20 states have return successors, (44), 39 states have call predecessors, (44), 38 states have call successors, (44) [2022-07-22 22:05:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 214 transitions. [2022-07-22 22:05:29,989 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 214 transitions. Word has length 117 [2022-07-22 22:05:29,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:05:29,990 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 214 transitions. [2022-07-22 22:05:29,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2022-07-22 22:05:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 214 transitions. [2022-07-22 22:05:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-22 22:05:29,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:05:29,992 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:05:30,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-22 22:05:30,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 22:05:30,205 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:05:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:05:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash 945169320, now seen corresponding path program 1 times [2022-07-22 22:05:30,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:05:30,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012394542] [2022-07-22 22:05:30,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:30,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:05:30,228 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:05:30,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1055348722] [2022-07-22 22:05:30,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:05:30,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:05:30,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:05:30,229 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:05:30,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-22 22:05:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:05:30,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 126 conjunts are in the unsatisfiable core [2022-07-22 22:05:30,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:05:30,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-07-22 22:05:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:30,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 22:05:30,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-07-22 22:06:04,394 WARN L233 SmtUtils]: Spent 10.59s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-22 22:06:04,842 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 257 treesize of output 359 [2022-07-22 22:06:04,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 367 treesize of output 465 [2022-07-22 22:06:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-22 22:06:05,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 22:06:11,030 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (or (= (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616) 0) (forall ((v_ArrVal_1759 Int)) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 v_ArrVal_1759)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 32 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) 0))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (= (mod (select .cse0 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616) 0) (not (= (mod (select .cse0 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616) 0))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (let ((.cse2 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))))) (let ((.cse1 (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 .cse2)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616))) (or (= .cse1 0) (<= (mod .cse2 18446744073709551616) .cse1)))))) is different from false [2022-07-22 22:06:11,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:06:11,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012394542] [2022-07-22 22:06:11,043 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-22 22:06:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055348722] [2022-07-22 22:06:11,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055348722] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 22:06:11,047 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-22 22:06:11,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2022-07-22 22:06:11,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567114341] [2022-07-22 22:06:11,047 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-22 22:06:11,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-22 22:06:11,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:06:11,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-22 22:06:11,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=915, Unknown=5, NotChecked=60, Total=1056 [2022-07-22 22:06:11,048 INFO L87 Difference]: Start difference. First operand 181 states and 214 transitions. Second operand has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-22 22:06:15,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:06:15,534 INFO L93 Difference]: Finished difference Result 229 states and 277 transitions. [2022-07-22 22:06:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-22 22:06:15,534 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) Word has length 113 [2022-07-22 22:06:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:06:15,536 INFO L225 Difference]: With dead ends: 229 [2022-07-22 22:06:15,536 INFO L226 Difference]: Without dead ends: 227 [2022-07-22 22:06:15,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 38.3s TimeCoverageRelationStatistics Valid=135, Invalid=1669, Unknown=6, NotChecked=82, Total=1892 [2022-07-22 22:06:15,536 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 112 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1198 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:06:15,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 1311 Invalid, 2955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1657 Invalid, 0 Unknown, 1198 Unchecked, 1.1s Time] [2022-07-22 22:06:15,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-07-22 22:06:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 188. [2022-07-22 22:06:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 126 states have (on average 1.0793650793650793) internal successors, (136), 130 states have internal predecessors, (136), 40 states have call successors, (40), 18 states have call predecessors, (40), 21 states have return successors, (45), 39 states have call predecessors, (45), 38 states have call successors, (45) [2022-07-22 22:06:15,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 221 transitions. [2022-07-22 22:06:15,549 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 221 transitions. Word has length 113 [2022-07-22 22:06:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:06:15,549 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 221 transitions. [2022-07-22 22:06:15,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-07-22 22:06:15,550 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 221 transitions. [2022-07-22 22:06:15,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-22 22:06:15,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:06:15,550 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:15,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-07-22 22:06:15,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-22 22:06:15,751 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:06:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:06:15,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1400716810, now seen corresponding path program 3 times [2022-07-22 22:06:15,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:06:15,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070889722] [2022-07-22 22:06:15,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:06:15,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:06:15,778 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-22 22:06:15,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517677671] [2022-07-22 22:06:15,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 22:06:15,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 22:06:15,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:06:15,780 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 22:06:15,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-22 22:06:16,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-07-22 22:06:16,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-07-22 22:06:16,680 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 22:06:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:06:17,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 22:06:17,428 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 22:06:17,429 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:06:17,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-22 22:06:17,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-22 22:06:17,662 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:06:17,665 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:06:17,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:06:17 BoogieIcfgContainer [2022-07-22 22:06:17,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:06:17,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:06:17,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:06:17,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:06:17,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:04:31" (3/4) ... [2022-07-22 22:06:17,737 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 22:06:17,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:06:17,738 INFO L158 Benchmark]: Toolchain (without parser) took 108513.87ms. Allocated memory was 92.3MB in the beginning and 157.3MB in the end (delta: 65.0MB). Free memory was 46.3MB in the beginning and 72.8MB in the end (delta: -26.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,739 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:06:17,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1330.22ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 59.5MB in the end (delta: -13.4MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.00ms. Allocated memory is still 130.0MB. Free memory was 59.5MB in the beginning and 88.3MB in the end (delta: -28.7MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,741 INFO L158 Benchmark]: Boogie Preprocessor took 34.78ms. Allocated memory is still 130.0MB. Free memory was 88.3MB in the beginning and 84.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,741 INFO L158 Benchmark]: RCFGBuilder took 529.50ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 68.1MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,742 INFO L158 Benchmark]: TraceAbstraction took 106504.00ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.4MB in the beginning and 72.8MB in the end (delta: -5.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-07-22 22:06:17,742 INFO L158 Benchmark]: Witness Printer took 3.39ms. Allocated memory is still 157.3MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:06:17,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1330.22ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 59.5MB in the end (delta: -13.4MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.00ms. Allocated memory is still 130.0MB. Free memory was 59.5MB in the beginning and 88.3MB in the end (delta: -28.7MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.78ms. Allocated memory is still 130.0MB. Free memory was 88.3MB in the beginning and 84.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 529.50ms. Allocated memory is still 130.0MB. Free memory was 84.8MB in the beginning and 68.1MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 106504.00ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 67.4MB in the beginning and 72.8MB in the end (delta: -5.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Witness Printer took 3.39ms. Allocated memory is still 157.3MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; VAL [s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=170141183460469231750134047789593657344, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=170141183460469231750134047789593657344, bounded_malloc(len)={-1:0}, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={-1:0}, array={-1:0}, s_can_fail_allocator_static={5:0}, size=0, storage={6:0}, storage={6:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={9:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={9:0}, list={9:0}, list->item_size=18446744073709551618, list->length=0, required_size={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, \result=257, a=0, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=257, a=0, b=2, r={8:0}, r={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err VAL [\old(err)=4, \old(tl_last_error)=0, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L1996] RET aws_raise_error_private(err) [L1998] return (-1); VAL [\old(err)=4, \old(tl_last_error)=0, \result=-1, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={8:0}, r={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={9:0}, list={9:0}, list->item_size=18446744073709551618, list->length=0, required_size={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) VAL [\old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231750134047789593657344, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={8:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=0, \old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231750134047789593657344, list->current_size=170141183460469231750134047789593657344, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={8:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=1, \old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231750134047789593657344, list->current_size=170141183460469231750134047789593657344, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={8:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={9:0}, list={9:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 106.4s, OverallIterations: 13, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 847 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 806 mSDsluCounter, 8646 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3339 IncrementalHoareTripleChecker+Unchecked, 7254 mSDsCounter, 618 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5605 IncrementalHoareTripleChecker+Invalid, 9562 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 618 mSolverCounterUnsat, 1392 mSDtfsCounter, 5605 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1455 GetRequests, 1215 SyntacticMatches, 16 SemanticMatches, 224 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1538 ImplicationChecksByTransitivity, 80.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=12, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 157 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 82.1s InterpolantComputationTime, 1465 NumberOfCodeBlocks, 1465 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1363 ConstructedInterpolants, 100 QuantifiedInterpolants, 7068 SizeOfPredicates, 201 NumberOfNonLiveVariables, 8430 ConjunctsInSsa, 597 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 2015/2259 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-22 22:06:17,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 22:06:19,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:06:19,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:06:19,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:06:19,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:06:19,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:06:19,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:06:19,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:06:19,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:06:19,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:06:19,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:06:19,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:06:19,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:06:19,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:06:19,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:06:19,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:06:19,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:06:19,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:06:19,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:06:19,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:06:19,482 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:06:19,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:06:19,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:06:19,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:06:19,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:06:19,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:06:19,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:06:19,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:06:19,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:06:19,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:06:19,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:06:19,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:06:19,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:06:19,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:06:19,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:06:19,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:06:19,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:06:19,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:06:19,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:06:19,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:06:19,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:06:19,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:06:19,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:06:19,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:06:19,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:06:19,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:06:19,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:06:19,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:06:19,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:06:19,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:06:19,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:06:19,532 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:06:19,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:06:19,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:06:19,534 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:06:19,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:06:19,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:06:19,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:06:19,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:06:19,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:06:19,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:06:19,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:06:19,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:06:19,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:06:19,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:06:19,535 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:06:19,536 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-07-22 22:06:19,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:06:19,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:06:19,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:06:19,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:06:19,818 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:06:19,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-22 22:06:19,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fbc5f9/cc2d076a184f427b9c107452571999e9/FLAG141c2c833 [2022-07-22 22:06:20,394 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:06:20,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-07-22 22:06:20,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fbc5f9/cc2d076a184f427b9c107452571999e9/FLAG141c2c833 [2022-07-22 22:06:20,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773fbc5f9/cc2d076a184f427b9c107452571999e9 [2022-07-22 22:06:20,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:06:20,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:06:20,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:06:20,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:06:20,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:06:20,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:06:20" (1/1) ... [2022-07-22 22:06:20,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5d8fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:06:20, skipping insertion in model container [2022-07-22 22:06:20,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:06:20" (1/1) ... [2022-07-22 22:06:20,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:06:20,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:06:20,904 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/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-07-22 22:06:20,909 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/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-07-22 22:06:21,305 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:06:21,358 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,360 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,360 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,361 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,361 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,368 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,369 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,370 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,370 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,375 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,376 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,376 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,376 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:06:21,561 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:06:21,562 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:06:21,562 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:06:21,563 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:06:21,564 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:06:21,564 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:06:21,564 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:06:21,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:06:21,565 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:06:21,566 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:06:21,629 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: BigInteger out of int range at java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1009) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 22:06:21,640 INFO L158 Benchmark]: Toolchain (without parser) took 984.90ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.7MB in the beginning and 37.2MB in the end (delta: -2.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-07-22 22:06:21,641 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:06:21,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.67ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 37.2MB in the end (delta: -2.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-07-22 22:06:21,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.67ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 37.2MB in the end (delta: -2.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: BigInteger out of int range: java.base/java.math.BigInteger.intValueExact(BigInteger.java:4784) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArithmeticException: BigInteger out of int range