./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 4d014703 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 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 12:23:46,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 12:23:46,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 12:23:46,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 12:23:46,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 12:23:46,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 12:23:46,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 12:23:46,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 12:23:46,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 12:23:46,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 12:23:46,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 12:23:46,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 12:23:46,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 12:23:46,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 12:23:46,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 12:23:46,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 12:23:46,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 12:23:46,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 12:23:46,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 12:23:46,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 12:23:46,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 12:23:46,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 12:23:46,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 12:23:46,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 12:23:46,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 12:23:46,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 12:23:46,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 12:23:46,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 12:23:46,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 12:23:46,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 12:23:46,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 12:23:46,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 12:23:46,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 12:23:46,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 12:23:46,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 12:23:46,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 12:23:46,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 12:23:46,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 12:23:46,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 12:23:46,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 12:23:46,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 12:23:46,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 12:23:46,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 12:23:46,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 12:23:46,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 12:23:46,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 12:23:46,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 12:23:46,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 12:23:46,666 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 12:23:46,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 12:23:46,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 12:23:46,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 12:23:46,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 12:23:46,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 12:23:46,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 12:23:46,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 12:23:46,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 12:23:46,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 12:23:46,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 12:23:46,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 12:23:46,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 12:23:46,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 12:23:46,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 12:23:46,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 12:23:46,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 12:23:46,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 12:23:46,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 12:23:46,671 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 12:23:46,671 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 12:23:46,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 12:23:46,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 12:23:46,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2021-11-02 12:23:46,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 12:23:46,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 12:23:46,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 12:23:46,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 12:23:46,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 12:23:46,945 INFO L432 ainManager$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 [2021-11-02 12:23:46,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6d7bb00/372a0a90de464aa0a953c3934899c80a/FLAG0b93b5ecb [2021-11-02 12:23:47,625 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 12:23:47,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-02 12:23:47,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6d7bb00/372a0a90de464aa0a953c3934899c80a/FLAG0b93b5ecb [2021-11-02 12:23:48,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6d7bb00/372a0a90de464aa0a953c3934899c80a [2021-11-02 12:23:48,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 12:23:48,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 12:23:48,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 12:23:48,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 12:23:48,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 12:23:48,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:48" (1/1) ... [2021-11-02 12:23:48,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959ab29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:48, skipping insertion in model container [2021-11-02 12:23:48,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:23:48" (1/1) ... [2021-11-02 12:23:48,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 12:23:48,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 12:23:48,313 WARN L228 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] [2021-11-02 12:23:48,319 WARN L228 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] [2021-11-02 12:23:48,339 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 12:23:48,344 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 12:23:48,846 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 12:23:48,925 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,926 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,926 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,928 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,929 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,945 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,949 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,950 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,950 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:48,952 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,206 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 12:23:49,207 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 12:23:49,208 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 12:23:49,211 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 12:23:49,213 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 12:23:49,213 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 12:23:49,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 12:23:49,214 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 12:23:49,215 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 12:23:49,215 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 12:23:49,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 12:23:49,374 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 12:23:49,402 WARN L228 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] [2021-11-02 12:23:49,403 WARN L228 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] [2021-11-02 12:23:49,405 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 12:23:49,405 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 12:23:49,474 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 12:23:49,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,500 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,500 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,501 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,501 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,502 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,502 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,503 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,503 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 12:23:49,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 12:23:49,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 12:23:49,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 12:23:49,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 12:23:49,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 12:23:49,532 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 12:23:49,533 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 12:23:49,533 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 12:23:49,534 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 12:23:49,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:23:49,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 12:23:49,761 INFO L208 MainTranslator]: Completed translation [2021-11-02 12:23:49,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49 WrapperNode [2021-11-02 12:23:49,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 12:23:49,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 12:23:49,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 12:23:49,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 12:23:49,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 12:23:49,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 12:23:49,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 12:23:49,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 12:23:49,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 12:23:49,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 12:23:49,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 12:23:49,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 12:23:49,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (1/1) ... [2021-11-02 12:23:49,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 12:23:50,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:50,015 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) [2021-11-02 12:23:50,031 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 [2021-11-02 12:23:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 12:23:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 12:23:50,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 12:23:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 12:23:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 12:23:50,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 12:23:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 12:23:50,054 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-02 12:23:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 12:23:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 12:23:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 12:23:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 12:23:50,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 12:23:50,508 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-02 12:23:50,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:50 BoogieIcfgContainer [2021-11-02 12:23:50,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 12:23:50,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 12:23:50,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 12:23:50,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 12:23:50,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:23:48" (1/3) ... [2021-11-02 12:23:50,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96ef119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:50, skipping insertion in model container [2021-11-02 12:23:50,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:23:49" (2/3) ... [2021-11-02 12:23:50,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96ef119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:23:50, skipping insertion in model container [2021-11-02 12:23:50,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:50" (3/3) ... [2021-11-02 12:23:50,521 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2021-11-02 12:23:50,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 12:23:50,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-02 12:23:50,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 12:23:50,564 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 12:23:50,564 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-02 12:23:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 112 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:50,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 12:23:50,599 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:50,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:50,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash -88048581, now seen corresponding path program 1 times [2021-11-02 12:23:50,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:50,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353773570] [2021-11-02 12:23:50,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:50,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:50,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:50,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353773570] [2021-11-02 12:23:50,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353773570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:50,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:50,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 12:23:50,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029102472] [2021-11-02 12:23:50,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 12:23:50,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:50,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 12:23:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 12:23:50,908 INFO L87 Difference]: Start difference. First operand has 113 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 112 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:51,098 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2021-11-02 12:23:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 12:23:51,101 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 12:23:51,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:51,108 INFO L225 Difference]: With dead ends: 223 [2021-11-02 12:23:51,108 INFO L226 Difference]: Without dead ends: 107 [2021-11-02 12:23:51,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 12:23:51,114 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.39ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:51,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.90ms Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 165.39ms Time] [2021-11-02 12:23:51,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-02 12:23:51,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-02 12:23:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 98 states have (on average 1.2244897959183674) internal successors, (120), 106 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2021-11-02 12:23:51,145 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 35 [2021-11-02 12:23:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:51,146 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2021-11-02 12:23:51,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2021-11-02 12:23:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 12:23:51,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:51,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:51,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 12:23:51,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:51,149 INFO L85 PathProgramCache]: Analyzing trace with hash -539664263, now seen corresponding path program 1 times [2021-11-02 12:23:51,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:51,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830691849] [2021-11-02 12:23:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:51,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:51,200 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:51,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763126176] [2021-11-02 12:23:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:51,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:51,202 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) [2021-11-02 12:23:51,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-02 12:23:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:51,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 12:23:51,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:51,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:51,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:51,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830691849] [2021-11-02 12:23:51,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:51,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763126176] [2021-11-02 12:23:51,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763126176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:51,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:51,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 12:23:51,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083270170] [2021-11-02 12:23:51,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 12:23:51,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:51,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 12:23:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 12:23:51,596 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:51,840 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2021-11-02 12:23:51,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 12:23:51,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 12:23:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:51,842 INFO L225 Difference]: With dead ends: 163 [2021-11-02 12:23:51,842 INFO L226 Difference]: Without dead ends: 107 [2021-11-02 12:23:51,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.28ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-02 12:23:51,844 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 373 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.53ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.30ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:51,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 0 Invalid, 187 Unknown, 0 Unchecked, 5.53ms Time], IncrementalHoareTripleChecker [5 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 190.30ms Time] [2021-11-02 12:23:51,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-02 12:23:51,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-02 12:23:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 98 states have (on average 1.2040816326530612) internal successors, (118), 106 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2021-11-02 12:23:51,857 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 35 [2021-11-02 12:23:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:51,858 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2021-11-02 12:23:51,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2021-11-02 12:23:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-02 12:23:51,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:51,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:51,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-02 12:23:52,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:52,084 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:52,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1257903267, now seen corresponding path program 1 times [2021-11-02 12:23:52,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:52,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609577050] [2021-11-02 12:23:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:52,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:52,146 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:52,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848721259] [2021-11-02 12:23:52,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:52,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:52,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:52,153 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) [2021-11-02 12:23:52,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-02 12:23:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:52,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-02 12:23:52,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:52,550 INFO L388 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 16 treesize of output 12 [2021-11-02 12:23:52,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 24 treesize of output 12 [2021-11-02 12:23:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:52,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:52,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:52,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609577050] [2021-11-02 12:23:52,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:52,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848721259] [2021-11-02 12:23:52,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848721259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:52,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:52,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-02 12:23:52,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621859240] [2021-11-02 12:23:52,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 12:23:52,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:52,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 12:23:52,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-02 12:23:52,674 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:53,111 INFO L93 Difference]: Finished difference Result 169 states and 186 transitions. [2021-11-02 12:23:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 12:23:53,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-02 12:23:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:53,113 INFO L225 Difference]: With dead ends: 169 [2021-11-02 12:23:53,113 INFO L226 Difference]: Without dead ends: 112 [2021-11-02 12:23:53,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 155.12ms TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-11-02 12:23:53,115 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 442 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 240.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.72ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 298.96ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:53,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [442 Valid, 0 Invalid, 511 Unknown, 0 Unchecked, 4.72ms Time], IncrementalHoareTripleChecker [20 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 298.96ms Time] [2021-11-02 12:23:53,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-02 12:23:53,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2021-11-02 12:23:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 100 states have (on average 1.19) internal successors, (119), 108 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 119 transitions. [2021-11-02 12:23:53,124 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 119 transitions. Word has length 43 [2021-11-02 12:23:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:53,124 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 119 transitions. [2021-11-02 12:23:53,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2021-11-02 12:23:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-02 12:23:53,125 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:53,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:53,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-02 12:23:53,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-02 12:23:53,354 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:53,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:53,355 INFO L85 PathProgramCache]: Analyzing trace with hash -359838749, now seen corresponding path program 1 times [2021-11-02 12:23:53,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:53,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480617153] [2021-11-02 12:23:53,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:53,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:53,387 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:53,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146884577] [2021-11-02 12:23:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:53,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:53,393 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) [2021-11-02 12:23:53,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-02 12:23:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:53,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 98 conjunts are in the unsatisfiable core [2021-11-02 12:23:53,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:53,953 INFO L388 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 20 treesize of output 16 [2021-11-02 12:23:54,585 INFO L388 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 38 treesize of output 22 [2021-11-02 12:23:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:54,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:54,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:54,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480617153] [2021-11-02 12:23:54,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:54,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146884577] [2021-11-02 12:23:54,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146884577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:54,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:54,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-11-02 12:23:54,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546380986] [2021-11-02 12:23:54,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-02 12:23:54,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:54,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-02 12:23:54,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-11-02 12:23:54,984 INFO L87 Difference]: Start difference. First operand 109 states and 119 transitions. Second operand has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:56,536 INFO L93 Difference]: Finished difference Result 217 states and 237 transitions. [2021-11-02 12:23:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-02 12:23:56,537 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-02 12:23:56,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:56,538 INFO L225 Difference]: With dead ends: 217 [2021-11-02 12:23:56,538 INFO L226 Difference]: Without dead ends: 214 [2021-11-02 12:23:56,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1286.11ms TimeCoverageRelationStatistics Valid=333, Invalid=1923, Unknown=0, NotChecked=0, Total=2256 [2021-11-02 12:23:56,540 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 512 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 592.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.33ms SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 471 IncrementalHoareTripleChecker+Unchecked, 709.63ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:56,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [512 Valid, 0 Invalid, 1568 Unknown, 0 Unchecked, 7.33ms Time], IncrementalHoareTripleChecker [99 Valid, 998 Invalid, 0 Unknown, 471 Unchecked, 709.63ms Time] [2021-11-02 12:23:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-11-02 12:23:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 107. [2021-11-02 12:23:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 106 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2021-11-02 12:23:56,551 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 45 [2021-11-02 12:23:56,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:56,551 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2021-11-02 12:23:56,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2021-11-02 12:23:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-02 12:23:56,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:56,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:56,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-02 12:23:56,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:56,780 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:56,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1410555856, now seen corresponding path program 1 times [2021-11-02 12:23:56,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:56,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665726883] [2021-11-02 12:23:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:56,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:56,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:56,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310552182] [2021-11-02 12:23:56,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:56,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:56,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:56,809 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) [2021-11-02 12:23:56,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-02 12:23:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:56,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-02 12:23:56,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:57,214 INFO L388 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 18 treesize of output 14 [2021-11-02 12:23:57,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:23:57,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 14 [2021-11-02 12:23:57,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:23:57,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 14 [2021-11-02 12:23:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:57,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:57,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:57,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665726883] [2021-11-02 12:23:57,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:57,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310552182] [2021-11-02 12:23:57,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310552182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:57,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:57,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-02 12:23:57,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365258804] [2021-11-02 12:23:57,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-02 12:23:57,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:57,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-02 12:23:57,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-02 12:23:57,421 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:57,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:57,798 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2021-11-02 12:23:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-02 12:23:57,799 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-02 12:23:57,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:57,799 INFO L225 Difference]: With dead ends: 145 [2021-11-02 12:23:57,800 INFO L226 Difference]: Without dead ends: 107 [2021-11-02 12:23:57,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 149.12ms TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-02 12:23:57,801 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 523 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 225.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.58ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 274.65ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:57,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 0 Invalid, 500 Unknown, 0 Unchecked, 2.58ms Time], IncrementalHoareTripleChecker [43 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 274.65ms Time] [2021-11-02 12:23:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-02 12:23:57,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2021-11-02 12:23:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 97 states have (on average 1.175257731958763) internal successors, (114), 104 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2021-11-02 12:23:57,810 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 58 [2021-11-02 12:23:57,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:57,811 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2021-11-02 12:23:57,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-02 12:23:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-02 12:23:57,812 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:57,812 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:57,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-02 12:23:58,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:58,032 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:58,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:58,032 INFO L85 PathProgramCache]: Analyzing trace with hash -350028616, now seen corresponding path program 1 times [2021-11-02 12:23:58,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:58,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098859986] [2021-11-02 12:23:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:58,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:58,064 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:58,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141988771] [2021-11-02 12:23:58,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:58,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:58,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:58,067 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) [2021-11-02 12:23:58,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-02 12:23:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:58,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-02 12:23:58,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:58,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:58,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:58,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098859986] [2021-11-02 12:23:58,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:58,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141988771] [2021-11-02 12:23:58,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141988771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:58,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:58,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 12:23:58,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265482652] [2021-11-02 12:23:58,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 12:23:58,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:58,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 12:23:58,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 12:23:58,368 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:23:58,712 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2021-11-02 12:23:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 12:23:58,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-02 12:23:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:23:58,713 INFO L225 Difference]: With dead ends: 212 [2021-11-02 12:23:58,713 INFO L226 Difference]: Without dead ends: 156 [2021-11-02 12:23:58,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.19ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 12:23:58,714 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 53 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 236.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.41ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 304.57ms IncrementalHoareTripleChecker+Time [2021-11-02 12:23:58,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 0 Invalid, 483 Unknown, 0 Unchecked, 1.41ms Time], IncrementalHoareTripleChecker [10 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 304.57ms Time] [2021-11-02 12:23:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-02 12:23:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 111. [2021-11-02 12:23:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 110 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2021-11-02 12:23:58,727 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 60 [2021-11-02 12:23:58,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:23:58,727 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2021-11-02 12:23:58,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:23:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2021-11-02 12:23:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-02 12:23:58,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:23:58,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:23:58,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-02 12:23:58,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:58,956 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:23:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:23:58,956 INFO L85 PathProgramCache]: Analyzing trace with hash -292770314, now seen corresponding path program 1 times [2021-11-02 12:23:58,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:23:58,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515295244] [2021-11-02 12:23:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:58,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:23:58,987 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:23:58,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2009432959] [2021-11-02 12:23:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:23:58,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:23:58,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:23:58,992 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) [2021-11-02 12:23:58,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-02 12:23:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:23:59,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-02 12:23:59,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:23:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:23:59,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-11-02 12:23:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:23:59,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-02 12:23:59,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:23:59,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515295244] [2021-11-02 12:23:59,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:23:59,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009432959] [2021-11-02 12:23:59,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009432959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 12:23:59,549 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:23:59,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-02 12:23:59,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510346817] [2021-11-02 12:23:59,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-02 12:23:59,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 12:23:59,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-02 12:23:59,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-02 12:23:59,551 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:00,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:24:00,164 INFO L93 Difference]: Finished difference Result 248 states and 260 transitions. [2021-11-02 12:24:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 12:24:00,164 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-02 12:24:00,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:24:00,165 INFO L225 Difference]: With dead ends: 248 [2021-11-02 12:24:00,166 INFO L226 Difference]: Without dead ends: 206 [2021-11-02 12:24:00,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 170.85ms TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2021-11-02 12:24:00,167 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 497 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 412.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.73ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 488.08ms IncrementalHoareTripleChecker+Time [2021-11-02 12:24:00,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 0 Invalid, 829 Unknown, 0 Unchecked, 3.73ms Time], IncrementalHoareTripleChecker [26 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 488.08ms Time] [2021-11-02 12:24:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-02 12:24:00,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 125. [2021-11-02 12:24:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 117 states have (on average 1.1538461538461537) internal successors, (135), 124 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 135 transitions. [2021-11-02 12:24:00,182 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 135 transitions. Word has length 60 [2021-11-02 12:24:00,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:24:00,183 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 135 transitions. [2021-11-02 12:24:00,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 135 transitions. [2021-11-02 12:24:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-02 12:24:00,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:24:00,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:24:00,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-02 12:24:00,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:24:00,415 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:24:00,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:24:00,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1030086986, now seen corresponding path program 1 times [2021-11-02 12:24:00,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 12:24:00,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751548985] [2021-11-02 12:24:00,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:24:00,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 12:24:00,441 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-02 12:24:00,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245475725] [2021-11-02 12:24:00,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:24:00,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:24:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:24:00,444 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) [2021-11-02 12:24:00,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-02 12:24:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:24:00,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 196 conjunts are in the unsatisfiable core [2021-11-02 12:24:00,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:24:00,725 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-02 12:24:00,725 INFO L388 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 [2021-11-02 12:24:00,897 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-11-02 12:24:00,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 29 [2021-11-02 12:24:01,230 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-02 12:24:01,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 31 treesize of output 49 [2021-11-02 12:24:01,405 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-02 12:24:01,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 39 treesize of output 57 [2021-11-02 12:24:02,328 INFO L354 Elim1Store]: treesize reduction 136, result has 13.4 percent of original size [2021-11-02 12:24:02,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 56 treesize of output 65 [2021-11-02 12:24:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:24:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:24:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:24:02,929 INFO L388 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 36 treesize of output 25 [2021-11-02 12:24:03,104 INFO L354 Elim1Store]: treesize reduction 88, result has 27.3 percent of original size [2021-11-02 12:24:03,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 55 treesize of output 75 [2021-11-02 12:24:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 12:24:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:24:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:24:03,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 12:24:03,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-11-02 12:24:04,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 12:24:04,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751548985] [2021-11-02 12:24:04,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-02 12:24:04,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245475725] [2021-11-02 12:24:04,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base|] [2021-11-02 12:24:04,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:24:04,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-02 12:24:04,477 ERROR L172 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2021-11-02 12:24:04,478 INFO L628 BasicCegarLoop]: Counterexample might be feasible [2021-11-02 12:24:04,484 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2021-11-02 12:24:04,485 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2021-11-02 12:24:04,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2021-11-02 12:24:04,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2021-11-02 12:24:04,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2021-11-02 12:24:04,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2021-11-02 12:24:04,486 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2021-11-02 12:24:04,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2021-11-02 12:24:04,487 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2021-11-02 12:24:04,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-02 12:24:04,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-02 12:24:04,706 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:24:04,708 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 12:24:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:24:04 BoogieIcfgContainer [2021-11-02 12:24:04,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 12:24:04,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 12:24:04,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 12:24:04,729 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 12:24:04,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:23:50" (3/4) ... [2021-11-02 12:24:04,732 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 12:24:04,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 12:24:04,732 INFO L158 Benchmark]: Toolchain (without parser) took 16710.13ms. Allocated memory was 102.8MB in the beginning and 237.0MB in the end (delta: 134.2MB). Free memory was 66.1MB in the beginning and 101.6MB in the end (delta: -35.6MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,732 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-02 12:24:04,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1738.34ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 65.8MB in the beginning and 87.0MB in the end (delta: -21.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.84ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 80.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,733 INFO L158 Benchmark]: Boogie Preprocessor took 56.01ms. Allocated memory is still 127.9MB. Free memory was 80.0MB in the beginning and 75.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,734 INFO L158 Benchmark]: RCFGBuilder took 529.03ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 75.8MB in the beginning and 116.7MB in the end (delta: -40.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,734 INFO L158 Benchmark]: TraceAbstraction took 14216.82ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 116.7MB in the beginning and 102.7MB in the end (delta: 14.0MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,734 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 237.0MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-02 12:24:04,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 59.8MB in the beginning and 59.8MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1738.34ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 65.8MB in the beginning and 87.0MB in the end (delta: -21.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.84ms. Allocated memory is still 127.9MB. Free memory was 87.0MB in the beginning and 80.0MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.01ms. Allocated memory is still 127.9MB. Free memory was 80.0MB in the beginning and 75.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 529.03ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 75.8MB in the beginning and 116.7MB in the end (delta: -40.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14216.82ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 116.7MB in the beginning and 102.7MB in the end (delta: 14.0MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 237.0MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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: unable to decide satisfiability of path constraint. 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; [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; [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L211] COND FALSE !(!cond) [L7599] EXPR \read(len) [L211] COND FALSE !(!cond) [L2782] return malloc(size); [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] \read(len) [L7183] COND FALSE !(size > 0 && array && storage) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L211] COND FALSE !(!cond) [L3246-L3247] list->alloc = ((void *)0) [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L211] COND FALSE !(!cond) [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [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) [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)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [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; [L223] COND FALSE !(!cond) [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [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) [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)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [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; [L223] COND TRUE !cond [L223] reach_error() - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 14150.66ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 33.84ms, AutomataDifference: 3826.70ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 13.04ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2400 SdHoareTripleChecker+Valid, 2431.58ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2400 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1995.67ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 471 IncrementalHoareTripleChecker+Unchecked, 2018 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3531 IncrementalHoareTripleChecker+Invalid, 4205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 0 mSDtfsCounter, 3531 mSolverCounterSat, 26.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 696 ImplicationChecksByTransitivity, 1836.70ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=7, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 83.56ms AutomataMinimizationTime, 7 MinimizatonAttempts, 238 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 266.72ms SsaConstructionTime, 814.34ms SatisfiabilityAnalysisTime, 6827.14ms InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 329 ConstructedInterpolants, 7 QuantifiedInterpolants, 2252 SizeOfPredicates, 166 NumberOfNonLiveVariables, 3761 ConjunctsInSsa, 477 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 [2021-11-02 12:24:04,772 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 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 12:24:06,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 12:24:06,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 12:24:06,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 12:24:06,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 12:24:06,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 12:24:06,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 12:24:06,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 12:24:06,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 12:24:06,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 12:24:06,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 12:24:06,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 12:24:06,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 12:24:06,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 12:24:06,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 12:24:06,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 12:24:06,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 12:24:06,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 12:24:06,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 12:24:06,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 12:24:06,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 12:24:06,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 12:24:06,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 12:24:06,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 12:24:06,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 12:24:06,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 12:24:06,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 12:24:06,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 12:24:06,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 12:24:06,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 12:24:06,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 12:24:06,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 12:24:06,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 12:24:06,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 12:24:06,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 12:24:06,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 12:24:06,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 12:24:06,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 12:24:06,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 12:24:06,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 12:24:06,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 12:24:06,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-02 12:24:06,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 12:24:06,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 12:24:06,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 12:24:06,769 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 12:24:06,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 12:24:06,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 12:24:06,771 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 12:24:06,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 12:24:06,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 12:24:06,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 12:24:06,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 12:24:06,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 12:24:06,772 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 12:24:06,772 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 12:24:06,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 12:24:06,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 12:24:06,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 12:24:06,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 12:24:06,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 12:24:06,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 12:24:06,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 12:24:06,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 12:24:06,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 12:24:06,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 12:24:06,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 12:24:06,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 12:24:06,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2021-11-02 12:24:07,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 12:24:07,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 12:24:07,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 12:24:07,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 12:24:07,106 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 12:24:07,107 INFO L432 ainManager$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 [2021-11-02 12:24:07,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fc367ec/7ae1f14339dc414f9394edba0560fdfb/FLAG2ca4d464e [2021-11-02 12:24:07,874 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 12:24:07,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-02 12:24:07,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fc367ec/7ae1f14339dc414f9394edba0560fdfb/FLAG2ca4d464e [2021-11-02 12:24:08,023 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fc367ec/7ae1f14339dc414f9394edba0560fdfb [2021-11-02 12:24:08,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 12:24:08,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 12:24:08,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 12:24:08,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 12:24:08,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 12:24:08,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:08" (1/1) ... [2021-11-02 12:24:08,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54727d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:08, skipping insertion in model container [2021-11-02 12:24:08,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:08" (1/1) ... [2021-11-02 12:24:08,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 12:24:08,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 12:24:08,344 WARN L228 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] [2021-11-02 12:24:08,349 WARN L228 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] [2021-11-02 12:24:08,361 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 12:24:08,364 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 12:24:08,926 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 12:24:09,004 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,008 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,009 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,024 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,025 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,027 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,032 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,034 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,036 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,037 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,302 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 12:24:09,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 12:24:09,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 12:24:09,306 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 12:24:09,307 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 12:24:09,307 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 12:24:09,308 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 12:24:09,308 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 12:24:09,310 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 12:24:09,310 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 12:24:09,427 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 12:24:09,473 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 12:24:09,494 WARN L228 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] [2021-11-02 12:24:09,494 WARN L228 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] [2021-11-02 12:24:09,497 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-02 12:24:09,498 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-02 12:24:09,534 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-02 12:24:09,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,569 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,569 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,598 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-02 12:24:09,599 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-02 12:24:09,600 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-02 12:24:09,600 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-02 12:24:09,601 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-02 12:24:09,601 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-02 12:24:09,601 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-02 12:24:09,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-02 12:24:09,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-02 12:24:09,602 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-02 12:24:09,629 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,635 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-02 12:24:09,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 12:24:09,872 INFO L208 MainTranslator]: Completed translation [2021-11-02 12:24:09,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09 WrapperNode [2021-11-02 12:24:09,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 12:24:09,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 12:24:09,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 12:24:09,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 12:24:09,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:09,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 12:24:10,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 12:24:10,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 12:24:10,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 12:24:10,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 12:24:10,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 12:24:10,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 12:24:10,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 12:24:10,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (1/1) ... [2021-11-02 12:24:10,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 12:24:10,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 12:24:10,156 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) [2021-11-02 12:24:10,177 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 [2021-11-02 12:24:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 12:24:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-02 12:24:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 12:24:10,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-02 12:24:10,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 12:24:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-02 12:24:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 12:24:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-02 12:24:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-02 12:24:10,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 12:24:10,652 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 12:24:10,652 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-11-02 12:24:10,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:10 BoogieIcfgContainer [2021-11-02 12:24:10,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 12:24:10,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 12:24:10,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 12:24:10,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 12:24:10,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:08" (1/3) ... [2021-11-02 12:24:10,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f76377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:10, skipping insertion in model container [2021-11-02 12:24:10,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:09" (2/3) ... [2021-11-02 12:24:10,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f76377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:24:10, skipping insertion in model container [2021-11-02 12:24:10,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:24:10" (3/3) ... [2021-11-02 12:24:10,660 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2021-11-02 12:24:10,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 12:24:10,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-11-02 12:24:10,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 12:24:10,708 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 12:24:10,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-11-02 12:24:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 112 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 12:24:10,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:24:10,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:24:10,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:24:10,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:24:10,731 INFO L85 PathProgramCache]: Analyzing trace with hash -88048581, now seen corresponding path program 1 times [2021-11-02 12:24:10,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:24:10,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660727445] [2021-11-02 12:24:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:24:10,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:24:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:24:10,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:24:10,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-02 12:24:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:24:11,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-02 12:24:11,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:24:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:24:11,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:24:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:24:11,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 12:24:11,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660727445] [2021-11-02 12:24:11,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660727445] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 12:24:11,309 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:24:11,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-02 12:24:11,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423718651] [2021-11-02 12:24:11,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 12:24:11,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 12:24:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 12:24:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 12:24:11,338 INFO L87 Difference]: Start difference. First operand has 113 states, 103 states have (on average 1.4271844660194175) internal successors, (147), 112 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:11,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:24:11,959 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2021-11-02 12:24:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 12:24:11,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 12:24:11,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:24:11,970 INFO L225 Difference]: With dead ends: 223 [2021-11-02 12:24:11,970 INFO L226 Difference]: Without dead ends: 107 [2021-11-02 12:24:11,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.17ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 12:24:11,983 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 511.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 596.03ms IncrementalHoareTripleChecker+Time [2021-11-02 12:24:11,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 596.03ms Time] [2021-11-02 12:24:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-02 12:24:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-02 12:24:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 98 states have (on average 1.2244897959183674) internal successors, (120), 106 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:12,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2021-11-02 12:24:12,041 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 35 [2021-11-02 12:24:12,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:24:12,041 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2021-11-02 12:24:12,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2021-11-02 12:24:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-02 12:24:12,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:24:12,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:24:12,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-02 12:24:12,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 12:24:12,245 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:24:12,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:24:12,246 INFO L85 PathProgramCache]: Analyzing trace with hash -539664263, now seen corresponding path program 1 times [2021-11-02 12:24:12,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:24:12,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035837654] [2021-11-02 12:24:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:24:12,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:24:12,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:24:12,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:24:12,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-02 12:24:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:24:12,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-02 12:24:12,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:24:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:24:12,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:24:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:24:12,939 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 12:24:12,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035837654] [2021-11-02 12:24:12,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035837654] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 12:24:12,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:24:12,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-02 12:24:12,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589300277] [2021-11-02 12:24:12,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-02 12:24:12,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 12:24:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-02 12:24:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-02 12:24:12,941 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:14,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:24:14,041 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2021-11-02 12:24:14,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 12:24:14,042 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-02 12:24:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:24:14,043 INFO L225 Difference]: With dead ends: 163 [2021-11-02 12:24:14,043 INFO L226 Difference]: Without dead ends: 107 [2021-11-02 12:24:14,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.75ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-02 12:24:14,045 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 257 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 913.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.84ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1040.70ms IncrementalHoareTripleChecker+Time [2021-11-02 12:24:14,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 0 Invalid, 186 Unknown, 0 Unchecked, 5.84ms Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1040.70ms Time] [2021-11-02 12:24:14,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-02 12:24:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-02 12:24:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 98 states have (on average 1.2040816326530612) internal successors, (118), 106 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 118 transitions. [2021-11-02 12:24:14,054 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 118 transitions. Word has length 35 [2021-11-02 12:24:14,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:24:14,054 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 118 transitions. [2021-11-02 12:24:14,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:24:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 118 transitions. [2021-11-02 12:24:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-02 12:24:14,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:24:14,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:24:14,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-02 12:24:14,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 12:24:14,276 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:24:14,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:24:14,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1257903267, now seen corresponding path program 1 times [2021-11-02 12:24:14,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:24:14,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461792218] [2021-11-02 12:24:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:24:14,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:24:14,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:24:14,279 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:24:14,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-02 12:24:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:24:14,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-02 12:24:14,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:24:15,305 INFO L354 Elim1Store]: treesize reduction 24, result has 29.4 percent of original size [2021-11-02 12:24:15,306 INFO L388 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 1 case distinctions, treesize of input 32 treesize of output 32 [2021-11-02 12:24:23,636 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-02 12:24:23,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 32 [2021-11-02 12:24:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:24:25,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:24:30,008 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-02 12:24:30,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1116 treesize of output 1036 [2021-11-02 12:26:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:10,205 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 12:26:10,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461792218] [2021-11-02 12:26:10,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461792218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 12:26:10,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:26:10,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 22 [2021-11-02 12:26:10,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170647739] [2021-11-02 12:26:10,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-02 12:26:10,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 12:26:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-02 12:26:10,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2021-11-02 12:26:10,208 INFO L87 Difference]: Start difference. First operand 107 states and 118 transitions. Second operand has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:27,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:26:27,433 INFO L93 Difference]: Finished difference Result 201 states and 222 transitions. [2021-11-02 12:26:27,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 12:26:27,434 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-02 12:26:27,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:26:27,435 INFO L225 Difference]: With dead ends: 201 [2021-11-02 12:26:27,435 INFO L226 Difference]: Without dead ends: 115 [2021-11-02 12:26:27,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 21973.54ms TimeCoverageRelationStatistics Valid=126, Invalid=524, Unknown=0, NotChecked=0, Total=650 [2021-11-02 12:26:27,437 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 40 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12480.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.79ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 433 IncrementalHoareTripleChecker+Unchecked, 14037.94ms IncrementalHoareTripleChecker+Time [2021-11-02 12:26:27,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 0 Invalid, 1292 Unknown, 0 Unchecked, 14.79ms Time], IncrementalHoareTripleChecker [1 Valid, 858 Invalid, 0 Unknown, 433 Unchecked, 14037.94ms Time] [2021-11-02 12:26:27,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-02 12:26:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-02 12:26:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 106 states have (on average 1.1886792452830188) internal successors, (126), 114 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 126 transitions. [2021-11-02 12:26:27,447 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 126 transitions. Word has length 43 [2021-11-02 12:26:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:26:27,448 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 126 transitions. [2021-11-02 12:26:27,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 22 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 126 transitions. [2021-11-02 12:26:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-02 12:26:27,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:26:27,449 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:26:27,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-02 12:26:27,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 12:26:27,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:26:27,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:26:27,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1754578305, now seen corresponding path program 1 times [2021-11-02 12:26:27,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:26:27,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510857842] [2021-11-02 12:26:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:26:27,663 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:26:27,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:26:27,669 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:26:27,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-02 12:26:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:26:27,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 12:26:27,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:26:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:28,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:26:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:28,287 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 12:26:28,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510857842] [2021-11-02 12:26:28,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510857842] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 12:26:28,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:26:28,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-02 12:26:28,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18457479] [2021-11-02 12:26:28,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 12:26:28,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 12:26:28,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 12:26:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-02 12:26:28,289 INFO L87 Difference]: Start difference. First operand 115 states and 126 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:32,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:26:32,496 INFO L93 Difference]: Finished difference Result 314 states and 344 transitions. [2021-11-02 12:26:32,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 12:26:32,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-02 12:26:32,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:26:32,498 INFO L225 Difference]: With dead ends: 314 [2021-11-02 12:26:32,498 INFO L226 Difference]: Without dead ends: 210 [2021-11-02 12:26:32,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 140.56ms TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-02 12:26:32,500 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 323 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3643.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.78ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4069.90ms IncrementalHoareTripleChecker+Time [2021-11-02 12:26:32,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 0 Invalid, 1111 Unknown, 0 Unchecked, 10.78ms Time], IncrementalHoareTripleChecker [14 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 4069.90ms Time] [2021-11-02 12:26:32,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-11-02 12:26:32,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 103. [2021-11-02 12:26:32,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 94 states have (on average 1.1808510638297873) internal successors, (111), 102 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions. [2021-11-02 12:26:32,509 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 45 [2021-11-02 12:26:32,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:26:32,510 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions. [2021-11-02 12:26:32,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2021-11-02 12:26:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-02 12:26:32,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:26:32,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:26:32,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-02 12:26:32,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 12:26:32,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:26:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:26:32,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1694860604, now seen corresponding path program 1 times [2021-11-02 12:26:32,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:26:32,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066526146] [2021-11-02 12:26:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:26:32,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:26:32,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:26:32,723 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:26:32,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-02 12:26:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:26:33,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-02 12:26:33,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:26:34,109 INFO L388 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 18 treesize of output 14 [2021-11-02 12:26:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:34,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2021-11-02 12:26:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:34,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:26:36,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_2)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))))) is different from false [2021-11-02 12:26:38,522 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_1) (_ bv4 64) v_DerPreprocessor_2)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))))) is different from false [2021-11-02 12:26:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:39,081 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 12:26:39,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066526146] [2021-11-02 12:26:39,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066526146] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 12:26:39,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 12:26:39,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 11] imperfect sequences [] total 17 [2021-11-02 12:26:39,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969645923] [2021-11-02 12:26:39,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-02 12:26:39,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 12:26:39,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-02 12:26:39,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=172, Unknown=2, NotChecked=54, Total=272 [2021-11-02 12:26:39,083 INFO L87 Difference]: Start difference. First operand 103 states and 111 transitions. Second operand has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:42,411 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (_ bv0 64) c_ULTIMATE.start_aws_array_list_init_static_~raw_array.base)) (not (= (_ bv0 64) c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0.base)) (not (= (_ bv0 64) |c_ULTIMATE.start_bounded_malloc_#res.base|)) (forall ((ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) (_ bv0 64) v_DerPreprocessor_1) (_ bv4 64) v_DerPreprocessor_2)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))))) (= (_ bv0 64) |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0.offset|) (= (_ bv0 64) c_ULTIMATE.start_aws_array_list_init_static_~list.offset) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64))))) (= (_ bv0 64) c_ULTIMATE.start_aws_array_list_is_valid_~list.offset)) is different from false [2021-11-02 12:26:44,419 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_aws_mul_u64_checked_~r.base (_ BitVec 64)) (v_DerPreprocessor_2 (_ BitVec 64)) (v_DerPreprocessor_1 (_ BitVec 64))) (not (= (_ bv0 64) (select (select (store |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base (store (store (select |c_#memory_$Pointer$.base| ULTIMATE.start_aws_mul_u64_checked_~r.base) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset v_DerPreprocessor_1) (bvadd c_ULTIMATE.start_aws_mul_u64_checked_~r.offset (_ bv4 64)) v_DerPreprocessor_2)) c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64)))))) (= (_ bv0 64) c_ULTIMATE.start_aws_mul_u64_checked_~r.offset) (not (= (_ bv0 64) (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_aws_array_list_is_valid_~list.base) (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv32 64))))) (= (_ bv0 64) c_ULTIMATE.start_aws_array_list_is_valid_~list.offset)) is different from false [2021-11-02 12:26:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 12:26:46,337 INFO L93 Difference]: Finished difference Result 184 states and 203 transitions. [2021-11-02 12:26:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-02 12:26:46,338 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-02 12:26:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 12:26:46,339 INFO L225 Difference]: With dead ends: 184 [2021-11-02 12:26:46,339 INFO L226 Difference]: Without dead ends: 127 [2021-11-02 12:26:46,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 8493.45ms TimeCoverageRelationStatistics Valid=84, Invalid=308, Unknown=4, NotChecked=156, Total=552 [2021-11-02 12:26:46,341 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 102 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2766.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.93ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 237 IncrementalHoareTripleChecker+Unchecked, 3074.11ms IncrementalHoareTripleChecker+Time [2021-11-02 12:26:46,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 0 Invalid, 1140 Unknown, 0 Unchecked, 9.93ms Time], IncrementalHoareTripleChecker [10 Valid, 893 Invalid, 0 Unknown, 237 Unchecked, 3074.11ms Time] [2021-11-02 12:26:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-02 12:26:46,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 110. [2021-11-02 12:26:46,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 109 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2021-11-02 12:26:46,352 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 46 [2021-11-02 12:26:46,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 12:26:46,353 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2021-11-02 12:26:46,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0) internal successors, (85), 17 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 12:26:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2021-11-02 12:26:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-02 12:26:46,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 12:26:46,354 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 12:26:46,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-02 12:26:46,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-02 12:26:46,581 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-11-02 12:26:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 12:26:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 630955402, now seen corresponding path program 1 times [2021-11-02 12:26:46,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 12:26:46,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568892876] [2021-11-02 12:26:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 12:26:46,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 12:26:46,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-02 12:26:46,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 12:26:46,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-02 12:26:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 12:26:47,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-02 12:26:47,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 12:26:48,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-02 12:26:48,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2021-11-02 12:26:48,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-02 12:26:48,903 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 12:26:48,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 97 treesize of output 85 [2021-11-02 12:26:53,746 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 12:26:53,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 144 treesize of output 80 [2021-11-02 12:26:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 12:26:54,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 12:27:02,876 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_23| (_ BitVec 64)) (ULTIMATE.start_aws_mul_u64_checked_~b (_ BitVec 64))) (let ((.cse4 (bvmul (let ((.cse5 (select |c_#memory_int| c_ULTIMATE.start_aws_array_list_is_valid_~list.base))) (concat (select .cse5 (bvadd (_ bv20 64) c_ULTIMATE.start_aws_array_list_is_valid_~list.offset)) (select .cse5 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv16 64))))) ULTIMATE.start_aws_mul_u64_checked_~b))) (let ((.cse1 ((_ extract 63 32) .cse4))) (let ((.cse2 (store (store (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_23|) (_ bv0 64) ((_ extract 31 0) .cse4)) (_ bv4 64) .cse1))) (let ((.cse3 (select (store |c_#memory_int| |v_ULTIMATE.start_aws_array_list_is_valid_~#required_size~0.base_23| .cse2) c_ULTIMATE.start_aws_array_list_is_valid_~list.base))) (let ((.cse0 (concat (select .cse3 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv12 64))) (select .cse3 (bvadd (_ bv8 64) c_ULTIMATE.start_aws_array_list_is_valid_~list.offset))))) (or (and (bvsge .cse0 (concat .cse1 (select .cse2 (_ bv0 64)))) (not (= (_ bv0 64) (concat (select .cse3 (bvadd (_ bv28 64) c_ULTIMATE.start_aws_array_list_is_valid_~list.offset)) (select .cse3 (bvadd c_ULTIMATE.start_aws_array_list_is_valid_~list.offset (_ bv24 64))))))) (not (= (_ bv0 64) .cse0))))))))) is different from false [2021-11-02 12:27:04,939 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 12:27:04,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 192666699527571 treesize of output 174876944987574 Killed by 15