./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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_ptr_eq_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 e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-16 21:51:55,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:51:55,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:51:55,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:51:55,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:51:55,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:51:55,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:51:55,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:51:55,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:51:55,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:51:55,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:51:55,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:51:55,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:51:55,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:51:55,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:51:55,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:51:55,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:51:55,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:51:55,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:51:55,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:51:55,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:51:55,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:51:55,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:51:55,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:51:55,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:51:55,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:51:55,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:51:55,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:51:55,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:51:55,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:51:55,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:51:55,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:51:55,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:51:55,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:51:55,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:51:55,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:51:55,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:51:55,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:51:55,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:51:55,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:51:55,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:51:55,646 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 21:51:55,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:51:55,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:51:55,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:51:55,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:51:55,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:51:55,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:51:55,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:51:55,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:51:55,680 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:51:55,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:51:55,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 21:51:55,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:51:55,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:51:55,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:51:55,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:51:55,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:51:55,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:51:55,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:51:55,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:51:55,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:51:55,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:51:55,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:51:55,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:51:55,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:51:55,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:51:55,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 21:51:55,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 21:51:55,685 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:51:55,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:51:55,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:51:55,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:51:55,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 [2021-11-16 21:51:55,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:51:55,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:51:55,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:51:55,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:51:55,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:51:55,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-16 21:51:56,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921dda15e/22c6467ba093410f8d8096d30caa3e5c/FLAG7a7aab540 [2021-11-16 21:51:56,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:51:56,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2021-11-16 21:51:56,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921dda15e/22c6467ba093410f8d8096d30caa3e5c/FLAG7a7aab540 [2021-11-16 21:51:56,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921dda15e/22c6467ba093410f8d8096d30caa3e5c [2021-11-16 21:51:56,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:51:56,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:51:56,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:51:56,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:51:56,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:51:56,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:51:56" (1/1) ... [2021-11-16 21:51:56,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba03147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:56, skipping insertion in model container [2021-11-16 21:51:56,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:51:56" (1/1) ... [2021-11-16 21:51:56,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:51:56,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:51:57,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-16 21:51:57,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-16 21:51:57,283 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:51:57,291 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:51:58,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,034 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,035 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,036 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,050 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,051 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,053 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,054 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,056 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,056 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,057 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,057 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,516 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,516 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,525 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,527 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,533 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,534 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,540 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,542 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,542 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,543 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,543 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,544 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,544 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,700 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:51:58,703 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:51:58,704 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:51:58,709 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:51:58,712 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:51:58,713 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:51:58,714 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:51:58,715 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:51:58,715 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:51:58,715 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:51:58,779 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:51:58,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:51:58,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2021-11-16 21:51:58,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2021-11-16 21:51:58,829 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:51:58,830 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:51:58,887 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,888 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,888 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,888 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,889 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,899 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,899 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,900 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,900 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,901 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,903 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,904 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:58,904 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,017 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,017 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,020 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,021 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,026 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,027 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,030 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,031 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,031 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,031 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,032 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:51:59,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:51:59,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:51:59,077 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:51:59,077 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:51:59,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:51:59,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:51:59,078 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:51:59,079 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:51:59,079 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:51:59,079 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:51:59,083 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:51:59,291 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:51:59,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59 WrapperNode [2021-11-16 21:51:59,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:51:59,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:51:59,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:51:59,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:51:59,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,439 INFO L137 Inliner]: procedures = 754, calls = 1440, calls flagged for inlining = 43, calls inlined = 4, statements flattened = 24 [2021-11-16 21:51:59,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:51:59,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:51:59,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:51:59,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:51:59,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:51:59,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:51:59,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:51:59,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:51:59,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (1/1) ... [2021-11-16 21:51:59,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:51:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:51:59,496 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) [2021-11-16 21:51:59,511 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 [2021-11-16 21:51:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-16 21:51:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-16 21:51:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:51:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:51:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:51:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 21:51:59,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:51:59,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:51:59,891 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:51:59,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:51:59,897 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-16 21:51:59,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:51:59 BoogieIcfgContainer [2021-11-16 21:51:59,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:51:59,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:51:59,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:51:59,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:51:59,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:51:56" (1/3) ... [2021-11-16 21:51:59,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1cce44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:51:59, skipping insertion in model container [2021-11-16 21:51:59,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:51:59" (2/3) ... [2021-11-16 21:51:59,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1cce44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:51:59, skipping insertion in model container [2021-11-16 21:51:59,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:51:59" (3/3) ... [2021-11-16 21:51:59,907 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness.i [2021-11-16 21:51:59,911 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:51:59,911 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 21:51:59,959 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 21:51:59,966 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 [2021-11-16 21:51:59,967 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 21:51:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-16 21:51:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-16 21:51:59,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:51:59,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:51:59,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:52:00,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:52:00,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1804399352, now seen corresponding path program 1 times [2021-11-16 21:52:00,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:52:00,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727255641] [2021-11-16 21:52:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:52:00,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:52:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:52:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 21:52:00,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:52:00,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727255641] [2021-11-16 21:52:00,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727255641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:52:00,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:52:00,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 21:52:00,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553450459] [2021-11-16 21:52:00,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:52:00,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:52:00,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:52:00,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:52:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 21:52:00,734 INFO L87 Difference]: Start difference. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 21:52:00,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:52:00,834 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2021-11-16 21:52:00,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:52:00,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-16 21:52:00,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:52:00,840 INFO L225 Difference]: With dead ends: 20 [2021-11-16 21:52:00,841 INFO L226 Difference]: Without dead ends: 0 [2021-11-16 21:52:00,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-16 21:52:00,849 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:52:00,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 24 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:52:00,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-16 21:52:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-16 21:52:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 21:52:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-16 21:52:00,871 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-11-16 21:52:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:52:00,871 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-16 21:52:00,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-16 21:52:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-16 21:52:00,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-16 21:52:00,874 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 21:52:00,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 21:52:00,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-16 21:52:00,966 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-16 21:52:00,967 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-16 21:52:00,968 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-16 21:52:00,968 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-16 21:52:00,968 INFO L858 garLoopResultBuilder]: For program point L8630-1(lines 8624 8631) no Hoare annotation was computed. [2021-11-16 21:52:00,969 INFO L854 garLoopResultBuilder]: At program point L8632(line 8632) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|))) (let ((.cse0 (not .cse2)) (.cse1 (not .cse4)) (.cse3 (div |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 256))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse0 .cse1) (or (and .cse2 (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (+ 1 (* 256 .cse3))) .cse4) (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 0)) (or (<= 1 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse2 .cse4)) (<= .cse3 0) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|)))) [2021-11-16 21:52:00,969 INFO L854 garLoopResultBuilder]: At program point L6804(lines 6802 6805) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|)) (.cse1 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) (not .cse0) (not .cse1)) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse0 .cse1)) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|))) [2021-11-16 21:52:00,970 INFO L854 garLoopResultBuilder]: At program point L8630(line 8630) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|))) (let ((.cse0 (not .cse2)) (.cse1 (not .cse4)) (.cse3 (div |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 256))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse0 .cse1) (or (and .cse2 (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (+ 1 (* 256 .cse3))) .cse4) (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 0)) (or (<= 1 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse2 .cse4)) (<= .cse3 0) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|)))) [2021-11-16 21:52:00,971 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-16 21:52:00,971 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-16 21:52:00,971 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-16 21:52:00,971 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-16 21:52:00,971 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-16 21:52:00,972 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-16 21:52:00,975 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-16 21:52:00,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 21:52:01,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 09:52:01 BoogieIcfgContainer [2021-11-16 21:52:01,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 21:52:01,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 21:52:01,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 21:52:01,007 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 21:52:01,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:51:59" (3/4) ... [2021-11-16 21:52:01,010 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 21:52:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-16 21:52:01,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-16 21:52:01,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-16 21:52:01,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 21:52:01,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 21:52:01,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (\result <= 0 || (p1 == p2 && p2 == p1))) && \result <= 1) && 0 <= \result [2021-11-16 21:52:01,039 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (((p1 == p2 && rval <= 1 + 256 * (rval / 256)) && p2 == p1) || rval <= 0)) && ((1 <= rval || !(p1 == p2)) || !(p2 == p1))) && (\result <= 0 || (p1 == p2 && p2 == p1))) && rval / 256 <= 0) && \result <= 1) && 0 <= rval) && 0 <= \result [2021-11-16 21:52:01,052 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 21:52:01,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 21:52:01,053 INFO L158 Benchmark]: Toolchain (without parser) took 4244.90ms. Allocated memory was 98.6MB in the beginning and 165.7MB in the end (delta: 67.1MB). Free memory was 55.7MB in the beginning and 74.0MB in the end (delta: -18.3MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,053 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 67.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:52:01,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2480.59ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 49.5MB in the end (delta: 5.9MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.16ms. Allocated memory is still 123.7MB. Free memory was 49.5MB in the beginning and 78.4MB in the end (delta: -28.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,054 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 123.7MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,055 INFO L158 Benchmark]: RCFGBuilder took 431.04ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 64.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,055 INFO L158 Benchmark]: TraceAbstraction took 1104.38ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 63.7MB in the beginning and 76.1MB in the end (delta: -12.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,056 INFO L158 Benchmark]: Witness Printer took 45.86ms. Allocated memory is still 165.7MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-16 21:52:01,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 80.3MB in the beginning and 80.2MB in the end (delta: 67.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2480.59ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 49.5MB in the end (delta: 5.9MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.16ms. Allocated memory is still 123.7MB. Free memory was 49.5MB in the beginning and 78.4MB in the end (delta: -28.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 123.7MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.04ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 64.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1104.38ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 63.7MB in the beginning and 76.1MB in the end (delta: -12.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 45.86ms. Allocated memory is still 165.7MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5 NumberOfFragments, 171 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6802]: Loop Invariant Derived loop invariant: ((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (\result <= 0 || (p1 == p2 && p2 == p1))) && \result <= 1) && 0 <= \result - InvariantResult [Line: 8632]: Loop Invariant Derived loop invariant: ((((((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (((p1 == p2 && rval <= 1 + 256 * (rval / 256)) && p2 == p1) || rval <= 0)) && ((1 <= rval || !(p1 == p2)) || !(p2 == p1))) && (\result <= 0 || (p1 == p2 && p2 == p1))) && rval / 256 <= 0) && \result <= 1) && 0 <= rval) && 0 <= \result RESULT: Ultimate proved your program to be correct! [2021-11-16 21:52:01,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE