./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8 --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 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:09:04,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:09:04,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:09:04,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:09:04,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:09:04,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:09:04,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:09:04,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:09:04,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:09:04,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:09:04,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:09:04,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:09:04,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:09:04,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:09:04,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:09:04,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:09:04,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:09:04,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:09:04,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:09:04,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:09:04,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:09:04,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:09:04,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:09:04,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:09:04,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:09:04,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:09:04,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:09:04,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:09:04,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:09:04,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:09:04,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:09:04,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:09:04,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:09:04,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:09:04,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:09:04,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:09:04,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:09:04,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:09:04,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:09:04,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:09:04,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:09:04,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:09:04,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:09:04,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:09:04,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:09:04,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:09:04,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:09:04,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:09:04,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:09:04,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:09:04,690 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:09:04,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:09:04,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:09:04,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:09:04,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:09:04,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:09:04,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:09:04,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:09:04,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:09:04,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:09:04,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:09:04,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:09:04,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:09:04,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:09:04,693 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 [2022-12-13 21:09:04,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:09:04,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:09:04,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:09:04,901 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:09:04,901 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:09:04,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-13 21:09:07,528 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:09:07,822 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:09:07,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-13 21:09:07,843 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/c6d2db66f/8ce4143e60ac49079c32659d4e133dcf/FLAGe29d6c48b [2022-12-13 21:09:07,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/c6d2db66f/8ce4143e60ac49079c32659d4e133dcf [2022-12-13 21:09:07,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:09:07,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:09:07,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:09:07,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:09:07,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:09:07,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:09:07" (1/1) ... [2022-12-13 21:09:07,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa61a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:07, skipping insertion in model container [2022-12-13 21:09:07,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:09:07" (1/1) ... [2022-12-13 21:09:07,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:09:07,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:09:08,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-13 21:09:08,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-13 21:09:08,595 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,596 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,596 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,597 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,598 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,608 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,609 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,610 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,611 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,612 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,613 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,614 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,614 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,662 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,663 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,663 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,666 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:09:08,668 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:09:08,668 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:09:08,758 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:09:08,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:09:08,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:09:08,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:09:08,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:09:08,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:09:08,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:09:08,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:09:08,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:09:08,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:09:08,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:09:08,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:09:08,853 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:09:08,863 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-13 21:09:08,863 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-13 21:09:08,910 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,910 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,911 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,911 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,912 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,919 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,920 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,920 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,921 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,922 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,922 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,923 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:08,929 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,929 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,930 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:08,932 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:09:08,934 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:09:08,934 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:09:08,939 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:09:08,939 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:09:08,940 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:09:08,941 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:09:08,942 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:09:08,943 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:09:08,943 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:09:08,943 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:09:08,944 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:09:08,944 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:09:08,945 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:09:08,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:09:09,076 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:09:09,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09 WrapperNode [2022-12-13 21:09:09,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:09:09,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:09:09,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:09:09,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:09:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,132 INFO L138 Inliner]: procedures = 592, calls = 608, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 84 [2022-12-13 21:09:09,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:09:09,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:09:09,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:09:09,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:09:09,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:09:09,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:09:09,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:09:09,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:09:09,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (1/1) ... [2022-12-13 21:09:09,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:09:09,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:09:09,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:09:09,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:09:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:09:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:09:09,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 21:09:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:09:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:09:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-13 21:09:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-13 21:09:09,215 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 21:09:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 21:09:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:09:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:09:09,381 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:09:09,383 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:09:09,545 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:09:09,552 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:09:09,552 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:09:09,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:09 BoogieIcfgContainer [2022-12-13 21:09:09,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:09:09,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:09:09,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:09:09,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:09:09,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:09:07" (1/3) ... [2022-12-13 21:09:09,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3553cdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:09:09, skipping insertion in model container [2022-12-13 21:09:09,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:09" (2/3) ... [2022-12-13 21:09:09,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3553cdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:09:09, skipping insertion in model container [2022-12-13 21:09:09,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:09" (3/3) ... [2022-12-13 21:09:09,562 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_override_0_harness_negated.i [2022-12-13 21:09:09,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:09:09,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:09:09,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:09:09,632 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@28e7b4cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:09:09,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:09:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 21:09:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 21:09:09,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:09:09,642 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:09:09,642 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:09:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:09:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash 16590849, now seen corresponding path program 1 times [2022-12-13 21:09:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:09:09,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522991404] [2022-12-13 21:09:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:09:09,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:09:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:09:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:09:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:09:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 21:09:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 21:09:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-13 21:09:09,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:09:09,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522991404] [2022-12-13 21:09:09,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522991404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:09:09,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:09:09,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:09:09,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151526648] [2022-12-13 21:09:09,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:09:09,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:09:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:09:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:09:09,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:09:09,984 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 21:09:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:09:10,005 INFO L93 Difference]: Finished difference Result 117 states and 167 transitions. [2022-12-13 21:09:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:09:10,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-12-13 21:09:10,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:09:10,012 INFO L225 Difference]: With dead ends: 117 [2022-12-13 21:09:10,012 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 21:09:10,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:09:10,016 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:09:10,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:09:10,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 21:09:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 21:09:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 21:09:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-12-13 21:09:10,044 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 36 [2022-12-13 21:09:10,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:09:10,045 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-12-13 21:09:10,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-13 21:09:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-13 21:09:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 21:09:10,046 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:09:10,046 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:09:10,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:09:10,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:09:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:09:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1271235587, now seen corresponding path program 1 times [2022-12-13 21:09:10,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:09:10,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912876516] [2022-12-13 21:09:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:09:10,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:09:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:09:10,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:09:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:09:10,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:09:10,156 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:09:10,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:09:10,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:09:10,161 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:09:10,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:09:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:09:10 BoogieIcfgContainer [2022-12-13 21:09:10,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:09:10,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:09:10,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:09:10,184 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:09:10,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:09" (3/4) ... [2022-12-13 21:09:10,186 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:09:10,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:09:10,187 INFO L158 Benchmark]: Toolchain (without parser) took 2326.18ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 83.9MB in the beginning and 68.0MB in the end (delta: 15.8MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,187 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:09:10,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1214.80ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 83.5MB in the beginning and 99.1MB in the end (delta: -15.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.55ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 95.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,188 INFO L158 Benchmark]: Boogie Preprocessor took 22.56ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 92.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,189 INFO L158 Benchmark]: RCFGBuilder took 398.49ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,189 INFO L158 Benchmark]: TraceAbstraction took 626.90ms. Allocated memory is still 148.9MB. Free memory was 72.8MB in the beginning and 68.0MB in the end (delta: 4.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-13 21:09:10,189 INFO L158 Benchmark]: Witness Printer took 3.09ms. Allocated memory is still 148.9MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:09:10,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1214.80ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 83.5MB in the beginning and 99.1MB in the end (delta: -15.6MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.55ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 95.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.56ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 92.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.49ms. Allocated memory is still 148.9MB. Free memory was 92.5MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 626.90ms. Allocated memory is still 148.9MB. Free memory was 72.8MB in the beginning and 68.0MB in the end (delta: 4.8MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 3.09ms. Allocated memory is still 148.9MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5912. Possible FailurePath: [L5919] CALL memset_override_0_harness() [L5906] short d1[160]; [L5907] short d2[160]; [L5908] int c = __VERIFIER_nondet_int(); [L5909] CALL assume_abort_if_not(c == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5909] RET assume_abort_if_not(c == 0) VAL [c=0, d1={5:0}, d2={4:0}] [L5911] unsigned size = __VERIFIER_nondet_uint(); [L5912] CALL assume_abort_if_not((size & 0x7) == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5912] RET assume_abort_if_not((size & 0x7) == 0) VAL [c=0, d1={5:0}, d2={4:0}, size=0] [L5913] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5913] RET assume_abort_if_not(size < 160) VAL [c=0, d1={5:0}, d2={4:0}, size=0] [L5914] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={5:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={5:0}] [L5876] return s; VAL [c=0, n=0, s={5:0}] [L5914] RET memset_impl(d1, c, size) [L5915] CALL memset_override_0_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={4:0}, n=0] [L5883] CALL __VERIFIER_assert(!(c == 0)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:09:10,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8 --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 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:09:11,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:09:11,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:09:11,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:09:11,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:09:11,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:09:11,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:09:11,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:09:11,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:09:11,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:09:11,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:09:11,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:09:11,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:09:11,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:09:11,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:09:11,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:09:11,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:09:11,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:09:11,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:09:11,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:09:11,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:09:11,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:09:11,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:09:11,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:09:11,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:09:11,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:09:11,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:09:11,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:09:11,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:09:11,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:09:11,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:09:11,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:09:11,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:09:11,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:09:11,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:09:11,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:09:11,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:09:11,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:09:11,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:09:11,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:09:11,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:09:11,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 21:09:11,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:09:11,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:09:11,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:09:11,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:09:11,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:09:11,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:09:11,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:09:11,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:09:11,890 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:09:11,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:09:11,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:09:11,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:09:11,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:09:11,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:09:11,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:09:11,893 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 [2022-12-13 21:09:12,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:09:12,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:09:12,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:09:12,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:09:12,160 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:09:12,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-13 21:09:14,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:09:15,047 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:09:15,048 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-13 21:09:15,078 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/116a49c2e/90fd648c84754a9fa8a31cf288fbee44/FLAG555283aea [2022-12-13 21:09:15,293 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/data/116a49c2e/90fd648c84754a9fa8a31cf288fbee44 [2022-12-13 21:09:15,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:09:15,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:09:15,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:09:15,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:09:15,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:09:15,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:09:15" (1/1) ... [2022-12-13 21:09:15,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d39f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:15, skipping insertion in model container [2022-12-13 21:09:15,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:09:15" (1/1) ... [2022-12-13 21:09:15,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:09:15,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:09:15,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-13 21:09:15,552 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-13 21:09:16,034 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,034 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,035 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,035 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,036 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,045 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,046 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,047 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,048 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,049 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,050 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,092 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,093 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,093 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,097 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:09:16,099 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:09:16,099 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:09:16,176 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:09:16,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:09:16,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:09:16,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:09:16,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:09:16,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:09:16,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:09:16,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:09:16,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:09:16,182 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:09:16,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:09:16,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:09:16,250 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 21:09:16,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:09:16,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-13 21:09:16,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-13 21:09:16,318 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,318 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,319 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,319 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,320 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,329 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,330 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,331 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,331 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,339 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,339 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,348 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,348 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,348 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,352 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:09:16,353 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:09:16,354 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:09:16,359 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:09:16,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:09:16,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:09:16,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:09:16,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:09:16,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:09:16,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:09:16,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:09:16,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:09:16,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:09:16,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:09:16,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:09:16,390 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:09:16,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-13 21:09:16,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-13 21:09:16,439 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,439 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,440 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,440 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,441 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,449 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,449 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,450 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,452 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:09:16,459 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,459 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,460 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:09:16,463 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:09:16,464 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:09:16,465 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:09:16,475 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:09:16,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:09:16,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:09:16,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:09:16,478 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:09:16,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:09:16,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:09:16,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:09:16,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:09:16,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:09:16,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:09:16,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:09:16,618 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:09:16,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16 WrapperNode [2022-12-13 21:09:16,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:09:16,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:09:16,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:09:16,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:09:16,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,680 INFO L138 Inliner]: procedures = 611, calls = 608, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 84 [2022-12-13 21:09:16,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:09:16,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:09:16,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:09:16,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:09:16,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:09:16,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:09:16,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:09:16,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:09:16,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (1/1) ... [2022-12-13 21:09:16,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:09:16,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:09:16,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:09:16,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:09:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:09:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:09:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 21:09:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 21:09:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:09:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:09:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:09:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-13 21:09:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-13 21:09:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 21:09:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 21:09:16,980 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:09:16,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:09:17,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:09:17,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:09:17,231 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:09:17,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:17 BoogieIcfgContainer [2022-12-13 21:09:17,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:09:17,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:09:17,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:09:17,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:09:17,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:09:15" (1/3) ... [2022-12-13 21:09:17,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dde27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:09:17, skipping insertion in model container [2022-12-13 21:09:17,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:09:16" (2/3) ... [2022-12-13 21:09:17,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0dde27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:09:17, skipping insertion in model container [2022-12-13 21:09:17,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:17" (3/3) ... [2022-12-13 21:09:17,241 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_override_0_harness_negated.i [2022-12-13 21:09:17,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:09:17,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:09:17,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:09:17,304 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c2ab632, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:09:17,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:09:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 21:09:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 21:09:17,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:09:17,314 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:09:17,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:09:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:09:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash 16590849, now seen corresponding path program 1 times [2022-12-13 21:09:17,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:09:17,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970612711] [2022-12-13 21:09:17,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:09:17,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:09:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:09:17,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:09:17,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:09:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:09:17,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 21:09:17,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:09:17,482 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 21:09:17,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:09:17,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:09:17,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970612711] [2022-12-13 21:09:17,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970612711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:09:17,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:09:17,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:09:17,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466425599] [2022-12-13 21:09:17,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:09:17,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:09:17,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:09:17,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:09:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:09:17,511 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 21:09:17,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:09:17,532 INFO L93 Difference]: Finished difference Result 117 states and 167 transitions. [2022-12-13 21:09:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:09:17,533 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 36 [2022-12-13 21:09:17,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:09:17,539 INFO L225 Difference]: With dead ends: 117 [2022-12-13 21:09:17,539 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 21:09:17,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:09:17,543 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:09:17,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:09:17,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 21:09:17,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 21:09:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 21:09:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-12-13 21:09:17,573 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 36 [2022-12-13 21:09:17,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:09:17,573 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-12-13 21:09:17,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-13 21:09:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-13 21:09:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 21:09:17,574 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:09:17,574 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:09:17,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:09:17,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:09:17,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:09:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:09:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1271235587, now seen corresponding path program 1 times [2022-12-13 21:09:17,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:09:17,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960779697] [2022-12-13 21:09:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:09:17,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:09:17,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:09:17,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:09:17,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 21:09:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:09:18,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:09:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:09:18,142 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:09:18,142 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:09:18,144 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:09:18,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 21:09:18,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:09:18,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:09:18,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:09:18,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:09:18 BoogieIcfgContainer [2022-12-13 21:09:18,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:09:18,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:09:18,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:09:18,374 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:09:18,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:09:17" (3/4) ... [2022-12-13 21:09:18,376 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:09:18,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:09:18,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:09:18,420 INFO L158 Benchmark]: Toolchain (without parser) took 3123.97ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 38.0MB in the beginning and 29.8MB in the end (delta: 8.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,420 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:09:18,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.41ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.6MB in the beginning and 39.2MB in the end (delta: -1.5MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.03ms. Allocated memory is still 79.7MB. Free memory was 39.2MB in the beginning and 34.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,422 INFO L158 Benchmark]: Boogie Preprocessor took 47.60ms. Allocated memory is still 79.7MB. Free memory was 34.3MB in the beginning and 31.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,422 INFO L158 Benchmark]: RCFGBuilder took 503.28ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 47.0MB in the end (delta: -15.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,423 INFO L158 Benchmark]: TraceAbstraction took 1138.53ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 32.5MB in the end (delta: 13.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,423 INFO L158 Benchmark]: Witness Printer took 45.34ms. Allocated memory is still 96.5MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:09:18,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.41ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.6MB in the beginning and 39.2MB in the end (delta: -1.5MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.03ms. Allocated memory is still 79.7MB. Free memory was 39.2MB in the beginning and 34.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.60ms. Allocated memory is still 79.7MB. Free memory was 34.3MB in the beginning and 31.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.28ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 47.0MB in the end (delta: -15.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1138.53ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 32.5MB in the end (delta: 13.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 45.34ms. Allocated memory is still 96.5MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). 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 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5919] CALL memset_override_0_harness() [L5906] short d1[160]; [L5907] short d2[160]; [L5908] int c = __VERIFIER_nondet_int(); [L5909] CALL assume_abort_if_not(c == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5909] RET assume_abort_if_not(c == 0) VAL [c=0, d1={7:0}, d2={5:0}] [L5911] unsigned size = __VERIFIER_nondet_uint(); [L5912] CALL assume_abort_if_not((size & 0x7) == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5912] RET assume_abort_if_not((size & 0x7) == 0) VAL [c=0, d1={7:0}, d2={5:0}, size=0] [L5913] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5913] RET assume_abort_if_not(size < 160) VAL [c=0, d1={7:0}, d2={5:0}, size=0] [L5914] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={7:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={7:0}] [L5876] return s; VAL [c=0, n=0, s={7:0}] [L5914] RET memset_impl(d1, c, size) [L5915] CALL memset_override_0_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={5:0}, n=0] [L5883] CALL __VERIFIER_assert(!(c == 0)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:09:18,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca22fbd-2e31-4044-8c37-02112a0d89a0/bin/uautomizer-uyxdKDjOR8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE