./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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_mul_size_saturating_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 b3a4c419b37775228591ece5e3d6f656f72fec2754e6367fae2de091f5a5d0db --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 09:56:46,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 09:56:46,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 09:56:46,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 09:56:46,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 09:56:46,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 09:56:46,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 09:56:46,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 09:56:46,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 09:56:46,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 09:56:46,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 09:56:46,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 09:56:46,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 09:56:46,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 09:56:46,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 09:56:46,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 09:56:46,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 09:56:46,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 09:56:46,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 09:56:46,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 09:56:46,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 09:56:46,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 09:56:46,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 09:56:46,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 09:56:46,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 09:56:46,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 09:56:46,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 09:56:46,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 09:56:46,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 09:56:46,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 09:56:46,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 09:56:46,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 09:56:46,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 09:56:46,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 09:56:46,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 09:56:46,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 09:56:46,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 09:56:46,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 09:56:46,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 09:56:46,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 09:56:46,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 09:56:46,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 09:56:46,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 09:56:46,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 09:56:46,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 09:56:46,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 09:56:46,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 09:56:46,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 09:56:46,869 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 09:56:46,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 09:56:46,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 09:56:46,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 09:56:46,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 09:56:46,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 09:56:46,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 09:56:46,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 09:56:46,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 09:56:46,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 09:56:46,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 09:56:46,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 09:56:46,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 09:56:46,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 09:56:46,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 09:56:46,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 09:56:46,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 09:56:46,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 09:56:46,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 09:56:46,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 09:56:46,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 09:56:46,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 09:56:46,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 09:56:46,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4c419b37775228591ece5e3d6f656f72fec2754e6367fae2de091f5a5d0db [2021-11-07 09:56:47,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 09:56:47,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 09:56:47,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 09:56:47,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 09:56:47,088 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 09:56:47,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness.i [2021-11-07 09:56:47,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c875e86e0/73b2d7028a214204ac30a0b9e43e4762/FLAG94f858ffe [2021-11-07 09:56:47,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 09:56:47,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness.i [2021-11-07 09:56:47,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c875e86e0/73b2d7028a214204ac30a0b9e43e4762/FLAG94f858ffe [2021-11-07 09:56:47,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c875e86e0/73b2d7028a214204ac30a0b9e43e4762 [2021-11-07 09:56:47,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 09:56:47,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 09:56:47,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 09:56:47,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 09:56:47,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 09:56:47,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:47" (1/1) ... [2021-11-07 09:56:47,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e225477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:47, skipping insertion in model container [2021-11-07 09:56:47,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:47" (1/1) ... [2021-11-07 09:56:47,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 09:56:47,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 09:56:47,915 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_mul_size_saturating_harness.i[4497,4510] [2021-11-07 09:56:47,918 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_mul_size_saturating_harness.i[4557,4570] [2021-11-07 09:56:48,323 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 09:56:48,329 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umul_overflow [2021-11-07 09:56:48,334 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 09:56:48,337 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uadd_overflow [2021-11-07 09:56:48,396 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,399 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,400 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,403 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,411 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,412 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,413 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,413 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,415 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,416 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,416 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,587 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 09:56:48,588 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 09:56:48,589 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 09:56:48,590 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 09:56:48,590 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 09:56:48,591 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 09:56:48,591 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 09:56:48,592 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 09:56:48,592 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 09:56:48,593 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 09:56:48,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 09:56:48,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 09:56:48,738 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_mul_size_saturating_harness.i[4497,4510] [2021-11-07 09:56:48,739 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_mul_size_saturating_harness.i[4557,4570] [2021-11-07 09:56:48,756 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 09:56:48,758 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umul_overflow [2021-11-07 09:56:48,759 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 09:56:48,760 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uadd_overflow [2021-11-07 09:56:48,770 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,774 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,779 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,780 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,781 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,781 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,782 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 09:56:48,865 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 09:56:48,867 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 09:56:48,868 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 09:56:48,869 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 09:56:48,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 09:56:48,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 09:56:48,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 09:56:48,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 09:56:48,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 09:56:48,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 09:56:48,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 09:56:49,055 INFO L208 MainTranslator]: Completed translation [2021-11-07 09:56:49,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49 WrapperNode [2021-11-07 09:56:49,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 09:56:49,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 09:56:49,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 09:56:49,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 09:56:49,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 09:56:49,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 09:56:49,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 09:56:49,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 09:56:49,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 09:56:49,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 09:56:49,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 09:56:49,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 09:56:49,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (1/1) ... [2021-11-07 09:56:49,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 09:56:49,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 09:56:49,304 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) [2021-11-07 09:56:49,327 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 [2021-11-07 09:56:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umul_overflow [2021-11-07 09:56:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 09:56:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 09:56:49,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 09:56:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 09:56:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 09:56:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 09:56:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 09:56:55,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 09:56:55,936 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-11-07 09:56:55,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:55 BoogieIcfgContainer [2021-11-07 09:56:55,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 09:56:55,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 09:56:55,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 09:56:55,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 09:56:55,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:56:47" (1/3) ... [2021-11-07 09:56:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a919ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:55, skipping insertion in model container [2021-11-07 09:56:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:49" (2/3) ... [2021-11-07 09:56:55,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a919ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:55, skipping insertion in model container [2021-11-07 09:56:55,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:55" (3/3) ... [2021-11-07 09:56:55,942 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_mul_size_saturating_harness.i [2021-11-07 09:56:55,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 09:56:55,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 09:56:55,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 09:56:55,978 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 [2021-11-07 09:56:55,978 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 09:56:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 33 states have internal predecessors, (44), 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) [2021-11-07 09:56:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 09:56:55,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 09:56:55,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 09:56:55,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 09:56:55,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 09:56:55,994 INFO L85 PathProgramCache]: Analyzing trace with hash -532418598, now seen corresponding path program 1 times [2021-11-07 09:56:56,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 09:56:56,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170522604] [2021-11-07 09:56:56,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 09:56:56,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 09:56:56,274 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 09:56:56,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517921923] [2021-11-07 09:56:56,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 09:56:56,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 09:56:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 09:56:56,277 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) [2021-11-07 09:56:56,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 10:01:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 10:01:51,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 10:01:51,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 10:01:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 10:01:51,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 10:01:51,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 10:01:51,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170522604] [2021-11-07 10:01:51,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 10:01:51,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517921923] [2021-11-07 10:01:51,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517921923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 10:01:51,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 10:01:51,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 10:01:51,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116967305] [2021-11-07 10:01:51,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 10:01:51,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 10:01:51,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 10:01:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 10:01:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 10:01:51,308 INFO L87 Difference]: Start difference. First operand has 34 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 33 states have internal predecessors, (44), 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 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-11-07 10:01:53,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-07 10:01:53,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 10:01:53,431 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2021-11-07 10:01:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 10:01:53,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 13 [2021-11-07 10:01:53,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 10:01:53,442 INFO L225 Difference]: With dead ends: 51 [2021-11-07 10:01:53,443 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 10:01:53,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.38ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 10:01:53,447 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 31 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2043.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2059.46ms IncrementalHoareTripleChecker+Time [2021-11-07 10:01:53,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 164 Invalid, 32 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 2059.46ms Time] [2021-11-07 10:01:53,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 10:01:53,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-07 10:01:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.25) internal successors, (35), 31 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) [2021-11-07 10:01:53,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-11-07 10:01:53,470 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 13 [2021-11-07 10:01:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 10:01:53,471 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-11-07 10:01:53,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2021-11-07 10:01:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-11-07 10:01:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 10:01:53,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 10:01:53,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 10:01:53,700 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2021-11-07 10:01:53,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 10:01:53,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-07 10:01:53,708 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 10:01:53,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 10:01:53,708 INFO L85 PathProgramCache]: Analyzing trace with hash -532428528, now seen corresponding path program 1 times [2021-11-07 10:01:53,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 10:01:53,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926696620] [2021-11-07 10:01:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 10:01:53,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 10:01:53,802 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 10:01:53,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133866287] [2021-11-07 10:01:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 10:01:53,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 10:01:53,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 10:01:53,805 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) [2021-11-07 10:01:53,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Killed by 15