./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_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_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/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_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/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_c577482f-ab39-4ff9-af46-102ed7443ecd/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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:25:19,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:25:19,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:25:19,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:25:19,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:25:19,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:25:19,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:25:19,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:25:19,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:25:19,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:25:19,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:25:19,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:25:19,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:25:19,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:25:19,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:25:19,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:25:19,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:25:19,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:25:19,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:25:19,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:25:19,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:25:19,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:25:19,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:25:19,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:25:19,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:25:19,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:25:19,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:25:19,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:25:19,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:25:19,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:25:19,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:25:19,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:25:19,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:25:19,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:25:19,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:25:19,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:25:19,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:25:19,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:25:19,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:25:19,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:25:19,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:25:19,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:25:19,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:25:19,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:25:19,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:25:19,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:25:19,689 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:25:19,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:25:19,690 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:25:19,690 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:25:19,690 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:25:19,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:25:19,693 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:25:19,693 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:25:19,693 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:25:19,694 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:25:19,694 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:25:19,694 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:25:19,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:25:19,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:25:19,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:25:19,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:25:19,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:25:19,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:25:19,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:25:19,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:25:19,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:25:19,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:25:19,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:25:19,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:25:19,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:25:19,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:25:19,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:25:19,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:25:19,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:25:19,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:25:19,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:25:19,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:25:19,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:25:19,704 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_c577482f-ab39-4ff9-af46-102ed7443ecd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-12 23:25:20,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:25:20,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:25:20,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:25:20,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:25:20,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:25:20,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-12 23:25:20,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/f855edd50/afc9885a70784bfd8647abfb2c41db29/FLAG9f0a15742 [2021-11-12 23:25:21,227 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:25:21,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-12 23:25:21,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/f855edd50/afc9885a70784bfd8647abfb2c41db29/FLAG9f0a15742 [2021-11-12 23:25:21,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/f855edd50/afc9885a70784bfd8647abfb2c41db29 [2021-11-12 23:25:21,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:25:21,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:25:21,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:25:21,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:25:21,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:25:21,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:25:21" (1/1) ... [2021-11-12 23:25:21,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d803a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:21, skipping insertion in model container [2021-11-12 23:25:21,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:25:21" (1/1) ... [2021-11-12 23:25:21,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:25:21,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:25:22,068 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-12 23:25:22,078 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-12 23:25:22,115 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:25:22,126 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:25:23,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,314 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:23,934 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:25:23,935 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:25:23,940 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:25:23,943 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:25:23,954 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:25:23,956 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:25:23,957 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:25:23,959 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:25:23,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:25:23,962 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:25:24,162 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:25:24,263 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:24,264 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:24,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:25:24,408 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) [2021-11-12 23:25:24,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65406c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:24, skipping insertion in model container [2021-11-12 23:25:24,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:25:24,409 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:25:24,411 INFO L158 Benchmark]: Toolchain (without parser) took 2845.75ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 60.7MB in the beginning and 52.0MB in the end (delta: 8.8MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-12 23:25:24,413 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:25:24,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2840.26ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.6MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2021-11-12 23:25:24,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2840.26ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.6MB). Peak memory consumption was 33.4MB. 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_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/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_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/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_c577482f-ab39-4ff9-af46-102ed7443ecd/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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:25:26,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:25:26,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:25:27,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:25:27,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:25:27,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:25:27,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:25:27,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:25:27,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:25:27,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:25:27,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:25:27,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:25:27,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:25:27,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:25:27,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:25:27,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:25:27,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:25:27,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:25:27,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:25:27,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:25:27,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:25:27,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:25:27,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:25:27,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:25:27,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:25:27,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:25:27,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:25:27,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:25:27,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:25:27,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:25:27,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:25:27,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:25:27,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:25:27,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:25:27,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:25:27,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:25:27,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:25:27,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:25:27,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:25:27,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:25:27,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:25:27,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:25:27,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:25:27,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:25:27,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:25:27,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:25:27,135 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:25:27,135 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:25:27,135 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:25:27,135 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:25:27,136 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:25:27,136 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:25:27,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:25:27,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:25:27,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:25:27,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:25:27,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:25:27,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:25:27,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:25:27,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:25:27,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:25:27,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:25:27,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:25:27,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:25:27,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:25:27,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:25:27,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:25:27,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:25:27,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:25:27,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:25:27,143 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:25:27,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:25:27,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:25:27,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:25:27,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:25:27,144 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_c577482f-ab39-4ff9-af46-102ed7443ecd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-12 23:25:27,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:25:27,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:25:27,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:25:27,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:25:27,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:25:27,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-12 23:25:27,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/180e1ce17/363cde8251d547f2a36cba1b869eb127/FLAG39ab2f6ef [2021-11-12 23:25:28,692 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:25:28,693 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-12 23:25:28,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/180e1ce17/363cde8251d547f2a36cba1b869eb127/FLAG39ab2f6ef [2021-11-12 23:25:29,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/data/180e1ce17/363cde8251d547f2a36cba1b869eb127 [2021-11-12 23:25:29,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:25:29,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:25:29,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:25:29,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:25:29,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:25:29,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:25:29" (1/1) ... [2021-11-12 23:25:29,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e51381b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:29, skipping insertion in model container [2021-11-12 23:25:29,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:25:29" (1/1) ... [2021-11-12 23:25:29,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:25:29,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:25:29,647 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-12 23:25:29,656 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-12 23:25:29,679 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:25:29,685 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:25:30,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,758 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,759 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,760 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,775 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,776 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,777 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:30,778 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,322 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:25:31,324 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:25:31,325 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:25:31,327 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:25:31,333 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:25:31,335 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:25:31,337 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:25:31,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:25:31,340 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:25:31,341 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:25:31,565 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:25:31,707 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:25:31,864 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:25:31,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:25:31,926 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-12 23:25:31,926 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-12 23:25:31,928 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:25:31,928 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:25:31,977 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,986 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,987 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:31,988 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,020 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:25:32,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:25:32,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:25:32,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:25:32,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:25:32,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:25:32,024 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:25:32,024 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:25:32,025 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:25:32,025 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:25:32,044 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:25:32,112 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,112 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:25:32,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:25:32,231 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-12 23:25:32,231 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_c577482f-ab39-4ff9-af46-102ed7443ecd/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-12 23:25:32,233 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-12 23:25:32,234 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-12 23:25:32,289 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,289 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,297 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,298 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,299 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,300 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,352 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-12 23:25:32,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-12 23:25:32,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-12 23:25:32,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-12 23:25:32,355 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-12 23:25:32,356 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-12 23:25:32,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-12 23:25:32,357 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-12 23:25:32,358 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-12 23:25:32,359 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-12 23:25:32,432 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-12 23:25:32,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,491 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-12 23:25:32,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:25:32,923 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:25:32,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32 WrapperNode [2021-11-12 23:25:32,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:25:32,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:25:32,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:25:32,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:25:32,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:25:33,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:25:33,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:25:33,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:25:33,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:25:33,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:25:33,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:25:33,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:25:33,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (1/1) ... [2021-11-12 23:25:33,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:25:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:25:33,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:25:33,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:25:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-12 23:25:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-12 23:25:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:25:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-12 23:25:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-12 23:25:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:25:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:25:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-12 23:25:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-12 23:25:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-12 23:25:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:25:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:25:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-12 23:25:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-12 23:25:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:25:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:25:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:25:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:25:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:25:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:25:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:25:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:25:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:25:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:25:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-12 23:25:33,471 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-12 23:25:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:25:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:25:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:25:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:25:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-12 23:25:33,472 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-12 23:25:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-12 23:25:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:25:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:25:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-12 23:25:33,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-12 23:25:33,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:25:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-12 23:25:33,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-12 23:25:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:25:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:25:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:25:33,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:25:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-11-12 23:25:33,475 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-11-12 23:25:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-12 23:25:33,475 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-12 23:25:33,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-12 23:25:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-12 23:25:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-12 23:25:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-12 23:25:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-12 23:25:33,476 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-12 23:25:33,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-12 23:25:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:25:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:25:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:25:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:25:33,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-11-12 23:25:33,477 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-11-12 23:25:34,469 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-11-12 23:25:49,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:25:49,233 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:25:49,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:49 BoogieIcfgContainer [2021-11-12 23:25:49,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:25:49,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:25:49,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:25:49,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:25:49,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:25:29" (1/3) ... [2021-11-12 23:25:49,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627dbaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:25:49, skipping insertion in model container [2021-11-12 23:25:49,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:25:32" (2/3) ... [2021-11-12 23:25:49,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@627dbaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:25:49, skipping insertion in model container [2021-11-12 23:25:49,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:49" (3/3) ... [2021-11-12 23:25:49,246 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-11-12 23:25:49,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:25:49,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:25:49,321 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:25:49,331 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 [2021-11-12 23:25:49,331 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:25:49,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 96 states have internal predecessors, (113), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-12 23:25:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-12 23:25:49,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:49,376 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:49,377 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:25:49,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:49,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1169510977, now seen corresponding path program 1 times [2021-11-12 23:25:49,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:49,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835510195] [2021-11-12 23:25:49,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:49,412 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:49,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:49,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:49,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:25:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:53,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:25:53,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-12 23:25:54,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:25:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-12 23:25:54,665 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:25:54,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835510195] [2021-11-12 23:25:54,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835510195] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:25:54,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:25:54,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-12 23:25:54,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015501901] [2021-11-12 23:25:54,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:25:54,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:25:54,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:25:54,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:25:54,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:25:54,717 INFO L87 Difference]: Start difference. First operand has 152 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 96 states have internal predecessors, (113), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 23:25:54,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:25:54,800 INFO L93 Difference]: Finished difference Result 298 states and 396 transitions. [2021-11-12 23:25:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:25:54,802 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2021-11-12 23:25:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:25:54,818 INFO L225 Difference]: With dead ends: 298 [2021-11-12 23:25:54,819 INFO L226 Difference]: Without dead ends: 146 [2021-11-12 23:25:54,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:25:54,834 INFO L933 BasicCegarLoop]: 187 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, 187 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:25:54,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 6.54ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:25:54,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-11-12 23:25:54,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-11-12 23:25:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 91 states have internal predecessors, (105), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2021-11-12 23:25:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 182 transitions. [2021-11-12 23:25:54,924 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 182 transitions. Word has length 79 [2021-11-12 23:25:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:25:54,927 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 182 transitions. [2021-11-12 23:25:54,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 23:25:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 182 transitions. [2021-11-12 23:25:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-12 23:25:54,936 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:25:54,937 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:25:54,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:25:55,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:25:55,163 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:25:55,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:25:55,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1619453953, now seen corresponding path program 1 times [2021-11-12 23:25:55,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:25:55,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902794574] [2021-11-12 23:25:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:25:55,174 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:25:55,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:25:55,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:25:55,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:25:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:25:59,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-12 23:25:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:25:59,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-11-12 23:25:59,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-12 23:26:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:00,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:01,120 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:01,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902794574] [2021-11-12 23:26:01,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902794574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:01,121 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:01,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-12 23:26:01,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659400761] [2021-11-12 23:26:01,123 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:01,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:26:01,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:01,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:26:01,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:26:01,127 INFO L87 Difference]: Start difference. First operand 146 states and 182 transitions. Second operand has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-12 23:26:03,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:06,479 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:06,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:06,553 INFO L93 Difference]: Finished difference Result 218 states and 280 transitions. [2021-11-12 23:26:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:26:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 79 [2021-11-12 23:26:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:06,565 INFO L225 Difference]: With dead ends: 218 [2021-11-12 23:26:06,565 INFO L226 Difference]: Without dead ends: 176 [2021-11-12 23:26:06,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:26:06,567 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 20 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5046.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.05ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5217.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:06,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 1512 Invalid, 78 Unknown, 0 Unchecked, 15.05ms Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 2 Unknown, 0 Unchecked, 5217.98ms Time] [2021-11-12 23:26:06,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-12 23:26:06,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 154. [2021-11-12 23:26:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 97 states have internal predecessors, (109), 42 states have call successors, (42), 16 states have call predecessors, (42), 17 states have return successors, (42), 40 states have call predecessors, (42), 41 states have call successors, (42) [2021-11-12 23:26:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 193 transitions. [2021-11-12 23:26:06,609 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 193 transitions. Word has length 79 [2021-11-12 23:26:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:06,610 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 193 transitions. [2021-11-12 23:26:06,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.75) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-12 23:26:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 193 transitions. [2021-11-12 23:26:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-12 23:26:06,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:06,613 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:06,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:06,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:06,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:06,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:06,832 INFO L85 PathProgramCache]: Analyzing trace with hash -430179187, now seen corresponding path program 1 times [2021-11-12 23:26:06,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:06,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914193189] [2021-11-12 23:26:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:06,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:06,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:06,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:26:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:11,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:26:11,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-12 23:26:11,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:12,635 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:12,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914193189] [2021-11-12 23:26:12,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914193189] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:26:12,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:26:12,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 10 [2021-11-12 23:26:12,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008445531] [2021-11-12 23:26:12,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:12,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:26:12,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:26:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:26:12,639 INFO L87 Difference]: Start difference. First operand 154 states and 193 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 23:26:14,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:26:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:16,151 INFO L93 Difference]: Finished difference Result 218 states and 279 transitions. [2021-11-12 23:26:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:26:16,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 84 [2021-11-12 23:26:16,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:16,158 INFO L225 Difference]: With dead ends: 218 [2021-11-12 23:26:16,159 INFO L226 Difference]: Without dead ends: 173 [2021-11-12 23:26:16,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:26:16,161 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 207 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3052.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.76ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3183.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:16,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 1190 Invalid, 230 Unknown, 0 Unchecked, 11.76ms Time], IncrementalHoareTripleChecker [25 Valid, 204 Invalid, 1 Unknown, 0 Unchecked, 3183.81ms Time] [2021-11-12 23:26:16,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-12 23:26:16,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 149. [2021-11-12 23:26:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 91 states have (on average 1.164835164835165) internal successors, (106), 93 states have internal predecessors, (106), 41 states have call successors, (41), 16 states have call predecessors, (41), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-12 23:26:16,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2021-11-12 23:26:16,186 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 84 [2021-11-12 23:26:16,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:16,187 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2021-11-12 23:26:16,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 23:26:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2021-11-12 23:26:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 23:26:16,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:16,191 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:16,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 23:26:16,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:16,403 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:16,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:16,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2143195865, now seen corresponding path program 1 times [2021-11-12 23:26:16,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:16,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790839542] [2021-11-12 23:26:16,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:16,409 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:16,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:16,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:16,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:26:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:20,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:26:20,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:20,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:21,469 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:21,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790839542] [2021-11-12 23:26:21,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790839542] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:21,469 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:21,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:26:21,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375105129] [2021-11-12 23:26:21,470 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:21,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:26:21,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:21,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:26:21,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:26:21,472 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-12 23:26:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:21,581 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2021-11-12 23:26:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:26:21,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 88 [2021-11-12 23:26:21,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:21,584 INFO L225 Difference]: With dead ends: 200 [2021-11-12 23:26:21,584 INFO L226 Difference]: Without dead ends: 153 [2021-11-12 23:26:21,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:26:21,586 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 2 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.88ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:21,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 716 Invalid, 11 Unknown, 0 Unchecked, 2.74ms Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 60.88ms Time] [2021-11-12 23:26:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-12 23:26:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-12 23:26:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.1595744680851063) internal successors, (109), 96 states have internal predecessors, (109), 41 states have call successors, (41), 16 states have call predecessors, (41), 17 states have return successors, (40), 40 states have call predecessors, (40), 39 states have call successors, (40) [2021-11-12 23:26:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 190 transitions. [2021-11-12 23:26:21,626 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 190 transitions. Word has length 88 [2021-11-12 23:26:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:21,630 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 190 transitions. [2021-11-12 23:26:21,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-12 23:26:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2021-11-12 23:26:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 23:26:21,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:21,634 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:21,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:21,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:21,847 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:21,848 INFO L85 PathProgramCache]: Analyzing trace with hash -96794005, now seen corresponding path program 1 times [2021-11-12 23:26:21,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:21,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [72821354] [2021-11-12 23:26:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:21,852 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:21,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:21,853 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:26:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:26,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:26:26,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:26,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-12 23:26:27,235 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:27,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [72821354] [2021-11-12 23:26:27,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [72821354] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:26:27,236 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:26:27,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-12 23:26:27,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480369484] [2021-11-12 23:26:27,236 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:26:27,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:26:27,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:26:27,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:26:27,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:26:27,238 INFO L87 Difference]: Start difference. First operand 153 states and 190 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:26:27,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:26:27,377 INFO L93 Difference]: Finished difference Result 202 states and 250 transitions. [2021-11-12 23:26:27,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:26:27,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2021-11-12 23:26:27,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:26:27,383 INFO L225 Difference]: With dead ends: 202 [2021-11-12 23:26:27,383 INFO L226 Difference]: Without dead ends: 162 [2021-11-12 23:26:27,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:26:27,385 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 1 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.37ms IncrementalHoareTripleChecker+Time [2021-11-12 23:26:27,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1070 Invalid, 26 Unknown, 0 Unchecked, 3.96ms Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 120.37ms Time] [2021-11-12 23:26:27,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-11-12 23:26:27,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2021-11-12 23:26:27,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 99 states have (on average 1.1515151515151516) internal successors, (114), 101 states have internal predecessors, (114), 41 states have call successors, (41), 16 states have call predecessors, (41), 19 states have return successors, (42), 42 states have call predecessors, (42), 39 states have call successors, (42) [2021-11-12 23:26:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 197 transitions. [2021-11-12 23:26:27,401 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 197 transitions. Word has length 94 [2021-11-12 23:26:27,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:26:27,402 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 197 transitions. [2021-11-12 23:26:27,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-12 23:26:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2021-11-12 23:26:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-12 23:26:27,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:26:27,405 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:26:27,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:26:27,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:26:27,627 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:26:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:26:27,628 INFO L85 PathProgramCache]: Analyzing trace with hash -299567670, now seen corresponding path program 1 times [2021-11-12 23:26:27,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:26:27,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775375219] [2021-11-12 23:26:27,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:27,632 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:26:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:26:27,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:26:27,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:26:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:26:31,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-12 23:26:31,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:26:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-12 23:26:41,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:26:57,435 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:26:57,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775375219] [2021-11-12 23:26:57,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_aws_string_new_from_string_#in~str.offset_BEFORE_CALL_4|, |v_aws_string_new_from_string_#in~str.base_BEFORE_CALL_4|] [2021-11-12 23:26:57,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [928945263] [2021-11-12 23:26:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:26:57,436 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:26:57,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:26:57,438 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:26:57,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-12 23:27:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:06,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-12 23:27:06,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:27:06,969 INFO L354 Elim1Store]: treesize reduction 176, result has 42.3 percent of original size [2021-11-12 23:27:06,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 62 treesize of output 139 [2021-11-12 23:27:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-12 23:27:37,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:49,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [|v_aws_string_new_from_string_#in~str.offset_BEFORE_CALL_4|, |v_aws_string_new_from_string_#in~str.base_BEFORE_CALL_4|] [2021-11-12 23:27:49,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561408594] [2021-11-12 23:27:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:27:49,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:49,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:27:49,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:27:49,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-12 23:27:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:27:51,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1911 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:27:51,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:27:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-12 23:27:53,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:27:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-12 23:27:58,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561408594] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:27:58,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:27:58,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 14 [2021-11-12 23:27:58,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271343816] [2021-11-12 23:27:58,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:27:58,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:27:58,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:27:58,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:27:58,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2608, Unknown=2, NotChecked=0, Total=2756 [2021-11-12 23:27:58,061 INFO L87 Difference]: Start difference. First operand 160 states and 197 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 23:27:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:27:59,263 INFO L93 Difference]: Finished difference Result 172 states and 207 transitions. [2021-11-12 23:27:59,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:27:59,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 102 [2021-11-12 23:27:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:27:59,265 INFO L225 Difference]: With dead ends: 172 [2021-11-12 23:27:59,265 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:27:59,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 393 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 42.5s TimeCoverageRelationStatistics Valid=171, Invalid=3019, Unknown=2, NotChecked=0, Total=3192 [2021-11-12 23:27:59,269 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.83ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:27:59,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 93 Invalid, 39 Unknown, 0 Unchecked, 0.83ms Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 130.32ms Time] [2021-11-12 23:27:59,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:27:59,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:27:59,271 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) [2021-11-12 23:27:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:27:59,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2021-11-12 23:27:59,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:27:59,272 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:27:59,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 23:27:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:27:59,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:27:59,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:27:59,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:59,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:59,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:27:59,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:27:59,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:28:00,161 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-12 23:28:00,162 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (= bounded_malloc_~size |bounded_malloc_#in~size|) (= (_ bv0 64) |~#s_can_fail_allocator_static~0.base|)) [2021-11-12 23:28:00,162 INFO L861 garLoopResultBuilder]: At program point aws_mem_acquireENTRY(lines 6928 6938) the Hoare annotation is: true [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point L6934(lines 6934 6936) no Hoare annotation was computed. [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point L6935-1(line 6935) no Hoare annotation was computed. [2021-11-12 23:28:00,162 INFO L861 garLoopResultBuilder]: At program point L6935(line 6935) the Hoare annotation is: true [2021-11-12 23:28:00,162 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireEXIT(lines 6928 6938) no Hoare annotation was computed. [2021-11-12 23:28:00,163 INFO L861 garLoopResultBuilder]: At program point L6931-1(line 6931) the Hoare annotation is: true [2021-11-12 23:28:00,163 INFO L861 garLoopResultBuilder]: At program point L6931(line 6931) the Hoare annotation is: true [2021-11-12 23:28:00,163 INFO L858 garLoopResultBuilder]: For program point L6934-2(lines 6934 6936) no Hoare annotation was computed. [2021-11-12 23:28:00,163 INFO L858 garLoopResultBuilder]: For program point L6933(line 6933) no Hoare annotation was computed. [2021-11-12 23:28:00,163 INFO L858 garLoopResultBuilder]: For program point L6929-2(line 6929) no Hoare annotation was computed. [2021-11-12 23:28:00,163 INFO L861 garLoopResultBuilder]: At program point L6929-1(line 6929) the Hoare annotation is: true [2021-11-12 23:28:00,163 INFO L861 garLoopResultBuilder]: At program point L6929(line 6929) the Hoare annotation is: true [2021-11-12 23:28:00,163 INFO L858 garLoopResultBuilder]: For program point aws_mem_acquireFINAL(lines 6928 6938) no Hoare annotation was computed. [2021-11-12 23:28:00,163 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-12 23:28:00,164 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6252 6257) the Hoare annotation is: true [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6252 6257) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6252 6257) no Hoare annotation was computed. [2021-11-12 23:28:00,164 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validFINAL(lines 6923 6926) no Hoare annotation was computed. [2021-11-12 23:28:00,165 INFO L858 garLoopResultBuilder]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2021-11-12 23:28:00,165 INFO L861 garLoopResultBuilder]: At program point L6925(line 6925) the Hoare annotation is: true [2021-11-12 23:28:00,165 INFO L861 garLoopResultBuilder]: At program point aws_allocator_is_validENTRY(lines 6923 6926) the Hoare annotation is: true [2021-11-12 23:28:00,165 INFO L858 garLoopResultBuilder]: For program point aws_allocator_is_validEXIT(lines 6923 6926) no Hoare annotation was computed. [2021-11-12 23:28:00,165 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-12 23:28:00,165 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-12 23:28:00,165 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-11-12 23:28:00,165 INFO L861 garLoopResultBuilder]: At program point __CPROVER_overflow_plusENTRY(lines 248 251) the Hoare annotation is: true [2021-11-12 23:28:00,165 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusFINAL(lines 248 251) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point __CPROVER_overflow_plusEXIT(lines 248 251) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point L8989(line 8989) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point L8990-1(line 8990) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L861 garLoopResultBuilder]: At program point L8989-1(line 8989) the Hoare annotation is: true [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point L8989-2(line 8989) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_stringENTRY(lines 8988 8991) the Hoare annotation is: true [2021-11-12 23:28:00,166 INFO L861 garLoopResultBuilder]: At program point L8990(line 8990) the Hoare annotation is: true [2021-11-12 23:28:00,166 INFO L861 garLoopResultBuilder]: At program point L8989-4(line 8989) the Hoare annotation is: true [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point L8989-5(line 8989) no Hoare annotation was computed. [2021-11-12 23:28:00,166 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringEXIT(lines 8988 8991) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_stringFINAL(lines 8988 8991) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L861 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L861 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6899 6903) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L861 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2021-11-12 23:28:00,167 INFO L861 garLoopResultBuilder]: At program point aws_string_new_from_arrayENTRY(lines 8964 8986) the Hoare annotation is: true [2021-11-12 23:28:00,167 INFO L858 garLoopResultBuilder]: For program point L8985-4(line 8985) no Hoare annotation was computed. [2021-11-12 23:28:00,168 INFO L861 garLoopResultBuilder]: At program point L8985-1(line 8985) the Hoare annotation is: true [2021-11-12 23:28:00,168 INFO L861 garLoopResultBuilder]: At program point L8983(line 8983) the Hoare annotation is: true [2021-11-12 23:28:00,168 INFO L858 garLoopResultBuilder]: For program point L8985-2(line 8985) no Hoare annotation was computed. [2021-11-12 23:28:00,168 INFO L858 garLoopResultBuilder]: For program point L8983-1(line 8983) no Hoare annotation was computed. [2021-11-12 23:28:00,168 INFO L861 garLoopResultBuilder]: At program point L8985-3(line 8985) the Hoare annotation is: true [2021-11-12 23:28:00,168 INFO L861 garLoopResultBuilder]: At program point L8973(line 8973) the Hoare annotation is: true [2021-11-12 23:28:00,168 INFO L858 garLoopResultBuilder]: For program point L8973-1(line 8973) no Hoare annotation was computed. [2021-11-12 23:28:00,168 INFO L861 garLoopResultBuilder]: At program point L8965(line 8965) the Hoare annotation is: true [2021-11-12 23:28:00,168 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayFINAL(lines 8964 8986) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L861 garLoopResultBuilder]: At program point L8965-1(line 8965) the Hoare annotation is: true [2021-11-12 23:28:00,169 INFO L858 garLoopResultBuilder]: For program point aws_string_new_from_arrayEXIT(lines 8964 8986) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L858 garLoopResultBuilder]: For program point L8974(lines 8974 8978) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L861 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: true [2021-11-12 23:28:00,169 INFO L858 garLoopResultBuilder]: For program point L8968-1(lines 8968 8972) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L858 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-12 23:28:00,169 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-11-12 23:28:00,169 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,169 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L861 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2021-11-12 23:28:00,170 INFO L858 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2021-11-12 23:28:00,171 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-11-12 23:28:00,171 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-11-12 23:28:00,171 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-11-12 23:28:00,171 INFO L861 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: true [2021-11-12 23:28:00,171 INFO L861 garLoopResultBuilder]: At program point aws_add_size_checkedENTRY(lines 2613 2621) the Hoare annotation is: true [2021-11-12 23:28:00,171 INFO L861 garLoopResultBuilder]: At program point L2542(line 2542) the Hoare annotation is: true [2021-11-12 23:28:00,171 INFO L858 garLoopResultBuilder]: For program point L2543-1(line 2543) no Hoare annotation was computed. [2021-11-12 23:28:00,171 INFO L861 garLoopResultBuilder]: At program point L2543(line 2543) the Hoare annotation is: true [2021-11-12 23:28:00,171 INFO L858 garLoopResultBuilder]: For program point L2542-1(lines 2542 2543) no Hoare annotation was computed. [2021-11-12 23:28:00,171 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedFINAL(lines 2613 2621) no Hoare annotation was computed. [2021-11-12 23:28:00,172 INFO L858 garLoopResultBuilder]: For program point aws_add_size_checkedEXIT(lines 2613 2621) no Hoare annotation was computed. [2021-11-12 23:28:00,172 INFO L854 garLoopResultBuilder]: At program point L6815(lines 6806 6816) the Hoare annotation is: false [2021-11-12 23:28:00,172 INFO L858 garLoopResultBuilder]: For program point L9338(lines 9338 9344) no Hoare annotation was computed. [2021-11-12 23:28:00,172 INFO L858 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2021-11-12 23:28:00,172 INFO L854 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: false [2021-11-12 23:28:00,172 INFO L858 garLoopResultBuilder]: For program point L6807-1(line 6807) no Hoare annotation was computed. [2021-11-12 23:28:00,172 INFO L854 garLoopResultBuilder]: At program point L6807(line 6807) the Hoare annotation is: (and (not (= (_ bv0 64) |~#s_can_fail_allocator_static~0.base|)) (bvult |ULTIMATE.start_ensure_string_is_allocated_~len#1| (_ bv9223372036856010358 64)) (bvult |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (_ bv9223372036856010358 64)) (= (bvadd (_ bv9223372036853541258 64) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (_ bv0 64))) [2021-11-12 23:28:00,172 INFO L854 garLoopResultBuilder]: At program point L6803(lines 6800 6804) the Hoare annotation is: false [2021-11-12 23:28:00,172 INFO L854 garLoopResultBuilder]: At program point L9338-2(lines 9338 9344) the Hoare annotation is: false [2021-11-12 23:28:00,173 INFO L854 garLoopResultBuilder]: At program point L6795(lines 6793 6798) the Hoare annotation is: false [2021-11-12 23:28:00,173 INFO L861 garLoopResultBuilder]: At program point L9347(line 9347) the Hoare annotation is: true [2021-11-12 23:28:00,173 INFO L858 garLoopResultBuilder]: For program point L9343-2(line 9343) no Hoare annotation was computed. [2021-11-12 23:28:00,173 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,173 INFO L854 garLoopResultBuilder]: At program point L9339(line 9339) the Hoare annotation is: false [2021-11-12 23:28:00,173 INFO L858 garLoopResultBuilder]: For program point L9339-1(line 9339) no Hoare annotation was computed. [2021-11-12 23:28:00,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,173 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,173 INFO L854 garLoopResultBuilder]: At program point L9343(line 9343) the Hoare annotation is: false [2021-11-12 23:28:00,173 INFO L854 garLoopResultBuilder]: At program point L9343-1(line 9343) the Hoare annotation is: false [2021-11-12 23:28:00,174 INFO L854 garLoopResultBuilder]: At program point L9335(line 9335) the Hoare annotation is: false [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point L9335-1(line 9335) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L854 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: false [2021-11-12 23:28:00,174 INFO L854 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: false [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L854 garLoopResultBuilder]: At program point L9340(line 9340) the Hoare annotation is: false [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point L9340-1(line 9340) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L858 garLoopResultBuilder]: For program point L9332(line 9332) no Hoare annotation was computed. [2021-11-12 23:28:00,174 INFO L854 garLoopResultBuilder]: At program point L9332-2(line 9332) the Hoare annotation is: false [2021-11-12 23:28:00,177 INFO L858 garLoopResultBuilder]: For program point L6801-1(line 6801) no Hoare annotation was computed. [2021-11-12 23:28:00,177 INFO L854 garLoopResultBuilder]: At program point L6801(line 6801) the Hoare annotation is: (and (not (= (_ bv0 64) |~#s_can_fail_allocator_static~0.base|)) (= (bvadd (_ bv9223372036853541258 64) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (_ bv0 64))) [2021-11-12 23:28:00,178 INFO L858 garLoopResultBuilder]: For program point L9332-3(line 9332) no Hoare annotation was computed. [2021-11-12 23:28:00,178 INFO L858 garLoopResultBuilder]: For program point L9332-4(line 9332) no Hoare annotation was computed. [2021-11-12 23:28:00,178 INFO L858 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2021-11-12 23:28:00,178 INFO L854 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: false [2021-11-12 23:28:00,178 INFO L854 garLoopResultBuilder]: At program point L9341(line 9341) the Hoare annotation is: false [2021-11-12 23:28:00,178 INFO L858 garLoopResultBuilder]: For program point L9341-1(line 9341) no Hoare annotation was computed. [2021-11-12 23:28:00,179 INFO L854 garLoopResultBuilder]: At program point L6810(line 6810) the Hoare annotation is: false [2021-11-12 23:28:00,179 INFO L854 garLoopResultBuilder]: At program point L9345(line 9345) the Hoare annotation is: false [2021-11-12 23:28:00,179 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-12 23:28:00,179 INFO L858 garLoopResultBuilder]: For program point L9345-1(line 9345) no Hoare annotation was computed. [2021-11-12 23:28:00,179 INFO L858 garLoopResultBuilder]: For program point L6810-3(line 6810) no Hoare annotation was computed. [2021-11-12 23:28:00,179 INFO L854 garLoopResultBuilder]: At program point L6810-2(line 6810) the Hoare annotation is: false [2021-11-12 23:28:00,180 INFO L858 garLoopResultBuilder]: For program point L6810-1(lines 6810 6811) no Hoare annotation was computed. [2021-11-12 23:28:00,180 INFO L854 garLoopResultBuilder]: At program point L6802(line 6802) the Hoare annotation is: (and (not (= (_ bv0 64) |~#s_can_fail_allocator_static~0.base|)) (= (bvadd (_ bv9223372036853541258 64) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1|) (_ bv0 64))) [2021-11-12 23:28:00,180 INFO L858 garLoopResultBuilder]: For program point L6810-5(lines 6810 6811) no Hoare annotation was computed. [2021-11-12 23:28:00,180 INFO L858 garLoopResultBuilder]: For program point L6802-1(line 6802) no Hoare annotation was computed. [2021-11-12 23:28:00,180 INFO L858 garLoopResultBuilder]: For program point L9329(lines 9329 9346) no Hoare annotation was computed. [2021-11-12 23:28:00,180 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-12 23:28:00,181 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-12 23:28:00,181 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-12 23:28:00,181 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-12 23:28:00,181 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-12 23:28:00,181 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-12 23:28:00,184 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-12 23:28:00,186 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:28:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:28:00 BoogieIcfgContainer [2021-11-12 23:28:00,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:28:00,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:28:00,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:28:00,196 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:28:00,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:25:49" (3/4) ... [2021-11-12 23:28:00,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:28:00,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2021-11-12 23:28:00,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-12 23:28:00,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_acquire [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_array [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-12 23:28:00,208 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-12 23:28:00,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_allocator_is_valid [2021-11-12 23:28:00,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_add_size_checked [2021-11-12 23:28:00,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-12 23:28:00,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 23:28:00,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_plus [2021-11-12 23:28:00,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_new_from_string [2021-11-12 23:28:00,227 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 154 nodes and edges [2021-11-12 23:28:00,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-12 23:28:00,231 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-12 23:28:00,233 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-12 23:28:00,234 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-12 23:28:00,236 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 23:28:00,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-12 23:28:00,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:28:01,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:28:01,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:28:01,128 INFO L158 Benchmark]: Toolchain (without parser) took 152015.41ms. Allocated memory was 56.6MB in the beginning and 1.1GB in the end (delta: 1.1GB). Free memory was 24.9MB in the beginning and 411.0MB in the end (delta: -386.1MB). Peak memory consumption was 723.4MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,128 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:28:01,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3810.20ms. Allocated memory was 56.6MB in the beginning and 178.3MB in the end (delta: 121.6MB). Free memory was 24.6MB in the beginning and 101.9MB in the end (delta: -77.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.38ms. Allocated memory is still 178.3MB. Free memory was 101.9MB in the beginning and 90.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,129 INFO L158 Benchmark]: Boogie Preprocessor took 195.28ms. Allocated memory is still 178.3MB. Free memory was 90.3MB in the beginning and 77.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,130 INFO L158 Benchmark]: RCFGBuilder took 15860.86ms. Allocated memory was 178.3MB in the beginning and 738.2MB in the end (delta: 559.9MB). Free memory was 77.7MB in the beginning and 315.9MB in the end (delta: -238.2MB). Peak memory consumption was 406.7MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,130 INFO L158 Benchmark]: TraceAbstraction took 130956.56ms. Allocated memory was 738.2MB in the beginning and 1.1GB in the end (delta: 383.8MB). Free memory was 314.8MB in the beginning and 580.9MB in the end (delta: -266.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,131 INFO L158 Benchmark]: Witness Printer took 932.12ms. Allocated memory is still 1.1GB. Free memory was 580.9MB in the beginning and 411.0MB in the end (delta: 169.9MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. [2021-11-12 23:28:01,133 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 56.6MB. Free memory was 37.4MB in the beginning and 37.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3810.20ms. Allocated memory was 56.6MB in the beginning and 178.3MB in the end (delta: 121.6MB). Free memory was 24.6MB in the beginning and 101.9MB in the end (delta: -77.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 252.38ms. Allocated memory is still 178.3MB. Free memory was 101.9MB in the beginning and 90.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.28ms. Allocated memory is still 178.3MB. Free memory was 90.3MB in the beginning and 77.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 15860.86ms. Allocated memory was 178.3MB in the beginning and 738.2MB in the end (delta: 559.9MB). Free memory was 77.7MB in the beginning and 315.9MB in the end (delta: -238.2MB). Peak memory consumption was 406.7MB. Max. memory is 16.1GB. * TraceAbstraction took 130956.56ms. Allocated memory was 738.2MB in the beginning and 1.1GB in the end (delta: 383.8MB). Free memory was 314.8MB in the beginning and 580.9MB in the end (delta: -266.0MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. * Witness Printer took 932.12ms. Allocated memory is still 1.1GB. Free memory was 580.9MB in the beginning and 411.0MB in the end (delta: 169.9MB). Peak memory consumption was 216.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 152 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 130.9s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 8713.37ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 4768 SdHoareTripleChecker+Invalid, 8379.89ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3824 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 351 IncrementalHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 944 mSDtfsCounter, 351 mSolverCounterSat, 40.89ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1301 GetRequests, 1208 SyntacticMatches, 6 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 44.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=5, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 202 PreInvPairs, 204 NumberOfFragments, 101 HoareAnnotationTreeSize, 202 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 24.5s SatisfiabilityAnalysisTime, 39.5s InterpolantComputationTime, 628 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1141 ConstructedInterpolants, 10 QuantifiedInterpolants, 4098 SizeOfPredicates, 48 NumberOfNonLiveVariables, 13214 ConjunctsInSsa, 93 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 491/541 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: 6793]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6806]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-12 23:28:01,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c577482f-ab39-4ff9-af46-102ed7443ecd/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