./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:40:19,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:40:19,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:40:19,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:40:19,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:40:19,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:40:19,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:40:19,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:40:19,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:40:19,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:40:19,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:40:19,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:40:19,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:40:19,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:40:19,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:40:19,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:40:19,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:40:19,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:40:19,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:40:19,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:40:19,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:40:19,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:40:19,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:40:19,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:40:19,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:40:19,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:40:19,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:40:19,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:40:19,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:40:19,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:40:19,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:40:19,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:40:19,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:40:19,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:40:19,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:40:19,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:40:19,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:40:19,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:40:19,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:40:19,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:40:19,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:40:19,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:40:19,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:40:19,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:40:19,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:40:19,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:40:19,890 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:40:19,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:40:19,890 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:40:19,890 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:40:19,897 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:40:19,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:40:19,898 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:40:19,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:40:19,899 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:40:19,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:40:19,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:40:19,900 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:40:19,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:40:19,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:40:19,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:40:19,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:40:19,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:40:19,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:40:19,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:40:19,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:40:19,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:40:19,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:40:19,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:40:19,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:40:19,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:19,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:40:19,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:40:19,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:40:19,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:40:19,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:40:19,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:40:19,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:40:19,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:40:19,907 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-11-13 02:40:20,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:40:20,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:40:20,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:40:20,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:40:20,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:40:20,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-13 02:40:20,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/e4c37b4fc/9c1125b1735a40a89beddd998d1ee17f/FLAG04d08593b [2021-11-13 02:40:21,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:40:21,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-13 02:40:21,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/e4c37b4fc/9c1125b1735a40a89beddd998d1ee17f/FLAG04d08593b [2021-11-13 02:40:21,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/e4c37b4fc/9c1125b1735a40a89beddd998d1ee17f [2021-11-13 02:40:21,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:40:21,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:40:21,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:21,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:40:21,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:40:21,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:21" (1/1) ... [2021-11-13 02:40:21,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6f661f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:21, skipping insertion in model container [2021-11-13 02:40:21,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:21" (1/1) ... [2021-11-13 02:40:21,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:40:21,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:40:22,256 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-13 02:40:22,267 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-13 02:40:22,305 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:40:22,316 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:40:23,580 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,587 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,590 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,592 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,624 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,625 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,629 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:23,630 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:24,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:40:24,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:40:24,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:40:24,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:40:24,115 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:40:24,116 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:40:24,117 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:40:24,118 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:40:24,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:40:24,119 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:40:24,330 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:40:24,493 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:24,494 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:24,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:24,659 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:40:24,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f749d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:24, skipping insertion in model container [2021-11-13 02:40:24,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:24,662 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:40:24,664 INFO L158 Benchmark]: Toolchain (without parser) took 2916.99ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 66.3MB in the beginning and 71.8MB in the end (delta: -5.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-13 02:40:24,664 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:40:24,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2914.39ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 71.8MB in the end (delta: -5.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-13 02:40:24,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2914.39ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 66.0MB in the beginning and 71.8MB in the end (delta: -5.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6990]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:40:26,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:40:26,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:40:26,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:40:26,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:40:26,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:40:26,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:40:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:40:26,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:40:26,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:40:26,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:40:26,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:40:26,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:40:26,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:40:26,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:40:26,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:40:26,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:40:26,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:40:26,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:40:26,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:40:26,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:40:26,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:40:26,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:40:26,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:40:26,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:40:26,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:40:26,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:40:26,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:40:26,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:40:26,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:40:26,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:40:26,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:40:26,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:40:27,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:40:27,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:40:27,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:40:27,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:40:27,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:40:27,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:40:27,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:40:27,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:40:27,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:40:27,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:40:27,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:40:27,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:40:27,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:40:27,042 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:40:27,043 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:40:27,043 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:40:27,043 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:40:27,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:40:27,043 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:40:27,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:40:27,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:40:27,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:40:27,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:40:27,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:40:27,047 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:40:27,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:40:27,048 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:40:27,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:40:27,048 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:40:27,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:40:27,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:40:27,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:40:27,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:40:27,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:27,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:40:27,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:40:27,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:40:27,050 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:40:27,051 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:40:27,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:40:27,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:40:27,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:40:27,052 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2021-11-13 02:40:27,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:40:27,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:40:27,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:40:27,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:40:27,559 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:40:27,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-13 02:40:27,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/f95a7d293/3e569dcddd5a46f5bb0a1504a1bc8467/FLAGcbf7b0554 [2021-11-13 02:40:28,647 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:40:28,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2021-11-13 02:40:28,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/f95a7d293/3e569dcddd5a46f5bb0a1504a1bc8467/FLAGcbf7b0554 [2021-11-13 02:40:29,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/data/f95a7d293/3e569dcddd5a46f5bb0a1504a1bc8467 [2021-11-13 02:40:29,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:40:29,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:40:29,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:29,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:40:29,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:40:29,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:29" (1/1) ... [2021-11-13 02:40:29,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e392c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:29, skipping insertion in model container [2021-11-13 02:40:29,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:40:29" (1/1) ... [2021-11-13 02:40:29,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:40:29,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:40:29,473 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-13 02:40:29,485 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-13 02:40:29,511 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:40:29,517 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:40:30,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,550 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,573 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,575 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:30,576 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,030 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:40:31,032 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:40:31,033 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:40:31,034 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:40:31,036 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:40:31,037 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:40:31,038 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:40:31,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:40:31,040 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:40:31,041 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:40:31,234 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:40:31,417 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,417 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:31,586 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:40:31,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:40:31,665 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-13 02:40:31,666 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-13 02:40:31,671 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:40:31,679 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:40:31,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,747 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,748 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,749 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,755 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,757 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,826 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:40:31,827 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:40:31,828 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:40:31,829 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:40:31,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:40:31,831 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:40:31,832 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:40:31,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:40:31,833 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:40:31,834 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:40:31,862 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:40:31,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:31,959 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:32,051 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:40:32,065 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2021-11-13 02:40:32,065 WARN L228 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_18ec022d-35b7-45dc-bb78-c5a85c41b61b/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2021-11-13 02:40:32,067 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-13 02:40:32,068 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-13 02:40:32,106 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,107 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,108 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,138 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,139 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,140 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,192 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-13 02:40:32,193 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-13 02:40:32,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-13 02:40:32,194 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-13 02:40:32,195 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-13 02:40:32,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-13 02:40:32,196 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-13 02:40:32,197 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-13 02:40:32,198 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-13 02:40:32,199 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-13 02:40:32,243 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-13 02:40:32,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-13 02:40:32,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:40:32,783 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:40:32,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32 WrapperNode [2021-11-13 02:40:32,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:40:32,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:40:32,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:40:32,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:40:32,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:32,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:40:33,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:40:33,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:40:33,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:40:33,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:40:33,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:40:33,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:40:33,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:40:33,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (1/1) ... [2021-11-13 02:40:33,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:40:33,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:40:33,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:40:33,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:40:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-13 02:40:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-13 02:40:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-13 02:40:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-13 02:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-13 02:40:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-13 02:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:40:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 02:40:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 02:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:40:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:40:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-13 02:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-13 02:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:40:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2021-11-13 02:40:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2021-11-13 02:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-13 02:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-13 02:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:40:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-13 02:40:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-13 02:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 02:40:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 02:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:40:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-13 02:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-13 02:40:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-13 02:40:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-13 02:40:47,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:40:47,672 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:40:47,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:47 BoogieIcfgContainer [2021-11-13 02:40:47,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:40:47,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:40:47,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:40:47,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:40:47,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:40:29" (1/3) ... [2021-11-13 02:40:47,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7703ec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:47, skipping insertion in model container [2021-11-13 02:40:47,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:40:32" (2/3) ... [2021-11-13 02:40:47,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7703ec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:40:47, skipping insertion in model container [2021-11-13 02:40:47,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:47" (3/3) ... [2021-11-13 02:40:47,684 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2021-11-13 02:40:47,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:40:47,690 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:40:47,742 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:40:47,749 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:40:47,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:40:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-13 02:40:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 02:40:47,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:47,782 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:40:47,783 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:40:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:47,788 INFO L85 PathProgramCache]: Analyzing trace with hash -733029914, now seen corresponding path program 1 times [2021-11-13 02:40:47,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:47,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132000425] [2021-11-13 02:40:47,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:47,816 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:47,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:47,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:47,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:40:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:52,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1830 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 02:40:52,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 02:40:52,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:40:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 02:40:53,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:40:53,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132000425] [2021-11-13 02:40:53,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132000425] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:40:53,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:40:53,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-13 02:40:53,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340856641] [2021-11-13 02:40:53,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:40:53,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 02:40:53,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:40:53,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 02:40:53,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:40:53,065 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.2) internal successors, (84), 71 states have internal predecessors, (84), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 02:40:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:40:53,119 INFO L93 Difference]: Finished difference Result 201 states and 250 transitions. [2021-11-13 02:40:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 02:40:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2021-11-13 02:40:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:40:53,137 INFO L225 Difference]: With dead ends: 201 [2021-11-13 02:40:53,137 INFO L226 Difference]: Without dead ends: 95 [2021-11-13 02:40:53,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 02:40:53,148 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 02:40:53,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 5.14ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 02:40:53,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-13 02:40:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-13 02:40:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-13 02:40:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 111 transitions. [2021-11-13 02:40:53,220 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 111 transitions. Word has length 65 [2021-11-13 02:40:53,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:40:53,222 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 111 transitions. [2021-11-13 02:40:53,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-13 02:40:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-13 02:40:53,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 02:40:53,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:40:53,232 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:40:53,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:40:53,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:40:53,446 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:40:53,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:40:53,447 INFO L85 PathProgramCache]: Analyzing trace with hash -543523166, now seen corresponding path program 1 times [2021-11-13 02:40:53,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:40:53,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766486389] [2021-11-13 02:40:53,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:40:53,454 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:40:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:40:53,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:40:53,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:40:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:40:57,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1830 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 02:40:57,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:40:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-13 02:40:58,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:41:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:41:01,364 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:41:01,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766486389] [2021-11-13 02:41:01,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766486389] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:41:01,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:41:01,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2021-11-13 02:41:01,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358477303] [2021-11-13 02:41:01,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:41:01,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:41:01,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:41:01,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:41:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-13 02:41:01,369 INFO L87 Difference]: Start difference. First operand 95 states and 111 transitions. Second operand has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:41:01,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:41:01,910 INFO L93 Difference]: Finished difference Result 102 states and 116 transitions. [2021-11-13 02:41:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 02:41:01,911 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 65 [2021-11-13 02:41:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:41:01,912 INFO L225 Difference]: With dead ends: 102 [2021-11-13 02:41:01,912 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:41:01,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2021-11-13 02:41:01,914 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.77ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 165.75ms IncrementalHoareTripleChecker+Time [2021-11-13 02:41:01,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 232 Invalid, 68 Unknown, 0 Unchecked, 3.77ms Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 15 Unchecked, 165.75ms Time] [2021-11-13 02:41:01,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:41:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:41:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:41:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:41:01,917 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2021-11-13 02:41:01,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:41:01,917 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:41:01,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 6 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-13 02:41:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:41:01,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:41:01,920 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 02:41:01,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:41:02,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:41:02,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 02:41:02,297 INFO L861 garLoopResultBuilder]: At program point L8735(line 8735) the Hoare annotation is: true [2021-11-13 02:41:02,297 INFO L858 garLoopResultBuilder]: For program point L8735-1(line 8735) no Hoare annotation was computed. [2021-11-13 02:41:02,297 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroEXIT(lines 8734 8751) no Hoare annotation was computed. [2021-11-13 02:41:02,297 INFO L861 garLoopResultBuilder]: At program point aws_secure_zeroENTRY(lines 8734 8751) the Hoare annotation is: true [2021-11-13 02:41:02,298 INFO L858 garLoopResultBuilder]: For program point aws_secure_zeroFINAL(lines 8734 8751) no Hoare annotation was computed. [2021-11-13 02:41:02,298 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-13 02:41:02,298 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-11-13 02:41:02,298 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-13 02:41:02,298 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-13 02:41:02,299 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= bounded_malloc_~size |bounded_malloc_#in~size|) [2021-11-13 02:41:02,299 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-13 02:41:02,299 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-13 02:41:02,299 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-13 02:41:02,299 INFO L858 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2021-11-13 02:41:02,300 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2021-11-13 02:41:02,300 INFO L858 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-11-13 02:41:02,300 INFO L861 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: true [2021-11-13 02:41:02,300 INFO L861 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: true [2021-11-13 02:41:02,300 INFO L858 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2021-11-13 02:41:02,301 INFO L861 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: true [2021-11-13 02:41:02,301 INFO L858 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2021-11-13 02:41:02,301 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-11-13 02:41:02,301 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-13 02:41:02,301 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-13 02:41:02,302 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-13 02:41:02,302 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-11-13 02:41:02,302 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-13 02:41:02,302 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-11-13 02:41:02,302 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-13 02:41:02,303 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-13 02:41:02,303 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-13 02:41:02,303 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-13 02:41:02,303 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6800 6804) no Hoare annotation was computed. [2021-11-13 02:41:02,303 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: (and (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-13 02:41:02,304 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-11-13 02:41:02,304 INFO L854 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvult |ensure_string_is_allocated_bounded_length_~len~1#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|)) [2021-11-13 02:41:02,304 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-11-13 02:41:02,304 INFO L854 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: (exists ((|ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| (_ BitVec 64))) (and (bvult |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) (bvule (bvadd (_ bv9223372036853541257 64) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) (_ bv36028797018963967 64)))) [2021-11-13 02:41:02,304 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-11-13 02:41:02,305 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-13 02:41:02,305 INFO L861 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_lengthENTRY(lines 6800 6804) the Hoare annotation is: true [2021-11-13 02:41:02,305 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-11-13 02:41:02,305 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-11-13 02:41:02,305 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_~max_size#1| |ensure_string_is_allocated_bounded_length_#in~max_size#1|) [2021-11-13 02:41:02,306 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-13 02:41:02,306 INFO L858 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthFINAL(lines 6800 6804) no Hoare annotation was computed. [2021-11-13 02:41:02,306 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,306 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-13 02:41:02,306 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-13 02:41:02,307 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,307 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6242 6246) the Hoare annotation is: true [2021-11-13 02:41:02,307 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6242 6246) no Hoare annotation was computed. [2021-11-13 02:41:02,307 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6242 6246) no Hoare annotation was computed. [2021-11-13 02:41:02,307 INFO L861 garLoopResultBuilder]: At program point L6244-1(line 6244) the Hoare annotation is: true [2021-11-13 02:41:02,307 INFO L858 garLoopResultBuilder]: For program point L6244-2(line 6244) no Hoare annotation was computed. [2021-11-13 02:41:02,308 INFO L861 garLoopResultBuilder]: At program point L6244(line 6244) the Hoare annotation is: true [2021-11-13 02:41:02,308 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-13 02:41:02,308 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-13 02:41:02,308 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-13 02:41:02,308 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-13 02:41:02,308 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-11-13 02:41:02,309 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-11-13 02:41:02,309 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-11-13 02:41:02,309 INFO L858 garLoopResultBuilder]: For program point L9210(lines 9210 9215) no Hoare annotation was computed. [2021-11-13 02:41:02,309 INFO L858 garLoopResultBuilder]: For program point L9549(lines 9549 9551) no Hoare annotation was computed. [2021-11-13 02:41:02,309 INFO L861 garLoopResultBuilder]: At program point L9553(line 9553) the Hoare annotation is: true [2021-11-13 02:41:02,310 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,310 INFO L854 garLoopResultBuilder]: At program point L9211(line 9211) the Hoare annotation is: false [2021-11-13 02:41:02,310 INFO L858 garLoopResultBuilder]: For program point L9211-1(line 9211) no Hoare annotation was computed. [2021-11-13 02:41:02,310 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,310 INFO L858 garLoopResultBuilder]: For program point L9537(lines 9537 9552) no Hoare annotation was computed. [2021-11-13 02:41:02,310 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,311 INFO L854 garLoopResultBuilder]: At program point L9211-2(line 9211) the Hoare annotation is: false [2021-11-13 02:41:02,311 INFO L858 garLoopResultBuilder]: For program point L9211-3(line 9211) no Hoare annotation was computed. [2021-11-13 02:41:02,311 INFO L854 garLoopResultBuilder]: At program point L7118(line 7118) the Hoare annotation is: false [2021-11-13 02:41:02,311 INFO L858 garLoopResultBuilder]: For program point L9546(lines 9546 9547) no Hoare annotation was computed. [2021-11-13 02:41:02,311 INFO L858 garLoopResultBuilder]: For program point L7114(lines 7114 7122) no Hoare annotation was computed. [2021-11-13 02:41:02,311 INFO L858 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2021-11-13 02:41:02,312 INFO L858 garLoopResultBuilder]: For program point L7118-1(line 7118) no Hoare annotation was computed. [2021-11-13 02:41:02,312 INFO L861 garLoopResultBuilder]: At program point L9538(line 9538) the Hoare annotation is: true [2021-11-13 02:41:02,312 INFO L858 garLoopResultBuilder]: For program point L9546-2(lines 9546 9547) no Hoare annotation was computed. [2021-11-13 02:41:02,312 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 02:41:02,312 INFO L858 garLoopResultBuilder]: For program point L9212(lines 9212 9214) no Hoare annotation was computed. [2021-11-13 02:41:02,313 INFO L858 garLoopResultBuilder]: For program point L9538-1(line 9538) no Hoare annotation was computed. [2021-11-13 02:41:02,313 INFO L858 garLoopResultBuilder]: For program point L9208(lines 9208 9216) no Hoare annotation was computed. [2021-11-13 02:41:02,313 INFO L858 garLoopResultBuilder]: For program point L7119-1(line 7119) no Hoare annotation was computed. [2021-11-13 02:41:02,313 INFO L854 garLoopResultBuilder]: At program point L7119(line 7119) the Hoare annotation is: false [2021-11-13 02:41:02,313 INFO L858 garLoopResultBuilder]: For program point L7115(lines 7115 7121) no Hoare annotation was computed. [2021-11-13 02:41:02,314 INFO L854 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: false [2021-11-13 02:41:02,314 INFO L858 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2021-11-13 02:41:02,314 INFO L854 garLoopResultBuilder]: At program point L9209-4(line 9209) the Hoare annotation is: false [2021-11-13 02:41:02,314 INFO L858 garLoopResultBuilder]: For program point L9209-5(line 9209) no Hoare annotation was computed. [2021-11-13 02:41:02,314 INFO L858 garLoopResultBuilder]: For program point L9209(line 9209) no Hoare annotation was computed. [2021-11-13 02:41:02,314 INFO L854 garLoopResultBuilder]: At program point L9209-2(line 9209) the Hoare annotation is: false [2021-11-13 02:41:02,315 INFO L858 garLoopResultBuilder]: For program point L7124(lines 7124 7126) no Hoare annotation was computed. [2021-11-13 02:41:02,315 INFO L858 garLoopResultBuilder]: For program point L9209-3(line 9209) no Hoare annotation was computed. [2021-11-13 02:41:02,315 INFO L858 garLoopResultBuilder]: For program point L7120-1(line 7120) no Hoare annotation was computed. [2021-11-13 02:41:02,315 INFO L854 garLoopResultBuilder]: At program point L7120(line 7120) the Hoare annotation is: false [2021-11-13 02:41:02,315 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-13 02:41:02,316 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-13 02:41:02,316 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-13 02:41:02,316 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-13 02:41:02,316 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-13 02:41:02,316 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-13 02:41:02,320 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-13 02:41:02,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 02:41:02,339 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:02,341 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:02,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:02,343 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:02,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:41:02 BoogieIcfgContainer [2021-11-13 02:41:02,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 02:41:02,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 02:41:02,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 02:41:02,345 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 02:41:02,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:40:47" (3/4) ... [2021-11-13 02:41:02,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 02:41:02,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_secure_zero [2021-11-13 02:41:02,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2021-11-13 02:41:02,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-13 02:41:02,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-13 02:41:02,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-13 02:41:02,356 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-13 02:41:02,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-13 02:41:02,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2021-11-13 02:41:02,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2021-11-13 02:41:02,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-13 02:41:02,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 02:41:02,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-13 02:41:02,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 02:41:02,384 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 02:41:02,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 02:41:02,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) [2021-11-13 02:41:03,319 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 02:41:03,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 02:41:03,321 INFO L158 Benchmark]: Toolchain (without parser) took 34297.42ms. Allocated memory was 73.4MB in the beginning and 755.0MB in the end (delta: 681.6MB). Free memory was 45.1MB in the beginning and 267.3MB in the end (delta: -222.3MB). Peak memory consumption was 504.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,321 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:41:03,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3760.58ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 44.9MB in the beginning and 68.9MB in the end (delta: -24.0MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 297.38ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 90.2MB in the end (delta: -22.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,322 INFO L158 Benchmark]: Boogie Preprocessor took 165.59ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 80.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,322 INFO L158 Benchmark]: RCFGBuilder took 14423.30ms. Allocated memory was 148.9MB in the beginning and 755.0MB in the end (delta: 606.1MB). Free memory was 79.8MB in the beginning and 564.7MB in the end (delta: -484.9MB). Peak memory consumption was 356.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,323 INFO L158 Benchmark]: TraceAbstraction took 14667.25ms. Allocated memory is still 755.0MB. Free memory was 563.6MB in the beginning and 649.0MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:41:03,323 INFO L158 Benchmark]: Witness Printer took 975.45ms. Allocated memory is still 755.0MB. Free memory was 649.0MB in the beginning and 267.3MB in the end (delta: 381.7MB). Peak memory consumption was 425.7MB. Max. memory is 16.1GB. [2021-11-13 02:41:03,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3760.58ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 44.9MB in the beginning and 68.9MB in the end (delta: -24.0MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 297.38ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 90.2MB in the end (delta: -22.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.59ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 80.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14423.30ms. Allocated memory was 148.9MB in the beginning and 755.0MB in the end (delta: 606.1MB). Free memory was 79.8MB in the beginning and 564.7MB in the end (delta: -484.9MB). Peak memory consumption was 356.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14667.25ms. Allocated memory is still 755.0MB. Free memory was 563.6MB in the beginning and 649.0MB in the end (delta: -85.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 975.45ms. Allocated memory is still 755.0MB. Free memory was 649.0MB in the beginning and 267.3MB in the end (delta: 381.7MB). Peak memory consumption was 425.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 2, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 165.75ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 354 SdHoareTripleChecker+Invalid, 136.80ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 201 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 153 mSDtfsCounter, 50 mSolverCounterSat, 8.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 67 PreInvPairs, 72 NumberOfFragments, 87 HoareAnnotationTreeSize, 67 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 10 QuantifiedInterpolants, 481 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3660 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 92/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant [2021-11-13 02:41:03,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:03,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:03,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] [2021-11-13 02:41:03,335 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1,QUANTIFIED] Derived loop invariant: (\exists ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1 : bv64 :: ~bvult64(ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1, \old(max_size)) && ~bvule64(~bvadd16(9223372036853541257bv64, ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1), 36028797018963967bv64)) RESULT: Ultimate proved your program to be correct! [2021-11-13 02:41:03,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18ec022d-35b7-45dc-bb78-c5a85c41b61b/bin/utaipan-vmNK8stdcF/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 Writing output log to file Ultimate.log Result: TRUE